]> Piment Noir Git Repositories - freqai-strategies.git/commitdiff
docs: improve tunables description
authorJérôme Benoit <jerome.benoit@piment-noir.org>
Thu, 11 Dec 2025 15:52:06 +0000 (16:52 +0100)
committerJérôme Benoit <jerome.benoit@piment-noir.org>
Thu, 11 Dec 2025 15:52:06 +0000 (16:52 +0100)
Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>
README.md

index a1eb091a5db454c237847712dbf42faaa3a8af16..fb09dfaad48ae97820dea6992d348f177aa16ae2 100644 (file)
--- a/README.md
+++ b/README.md
@@ -35,87 +35,87 @@ docker compose up -d --build
 
 ### Configuration tunables
 
-| Path                                                 | Default           | Type / Range                                                                                                                     | Description                                                                                                                                                                                                                                                                                                |
-| ---------------------------------------------------- | ----------------- | -------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| _Protections_                                        |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                            |
-| custom_protections.trade_duration_candles            | 72                | int >= 1                                                                                                                         | Estimated trade duration in candles. Scales protections stop duration candles and trade limit.                                                                                                                                                                                                             |
-| custom_protections.lookback_period_fraction          | 0.5               | float (0,1]                                                                                                                      | Fraction of fit_live_predictions_candles used to calculate lookback_period_candles for MaxDrawdown and StoplossGuard protections.                                                                                                                                                                          |
-| custom_protections.cooldown.enabled                  | true              | bool                                                                                                                             | Enable/disable CooldownPeriod protection.                                                                                                                                                                                                                                                                  |
-| custom_protections.cooldown.stop_duration_candles    | 4                 | int >= 1                                                                                                                         | Number of candles to wait before allowing new trades after a trade is closed.                                                                                                                                                                                                                              |
-| custom_protections.drawdown.enabled                  | true              | bool                                                                                                                             | Enable/disable MaxDrawdown protection.                                                                                                                                                                                                                                                                     |
-| custom_protections.drawdown.max_allowed_drawdown     | 0.2               | float (0,1)                                                                                                                      | Maximum allowed drawdown.                                                                                                                                                                                                                                                                                  |
-| custom_protections.stoploss.enabled                  | true              | bool                                                                                                                             | Enable/disable StoplossGuard protection.                                                                                                                                                                                                                                                                   |
-| _Leverage_                                           |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                            |
-| leverage                                             | proposed_leverage | float [1.0, max_leverage]                                                                                                        | Leverage. Fallback to proposed_leverage for the pair.                                                                                                                                                                                                                                                      |
-| _Exit pricing_                                       |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                            |
-| exit_pricing.trade_price_target                      | `moving_average`  | enum {`moving_average`,`interpolation`,`weighted_interpolation`}                                                                 | Trade NATR computation method.                                                                                                                                                                                                                                                                             |
-| exit_pricing.thresholds_calibration.decline_quantile | 0.90              | float (0,1)                                                                                                                      | PnL decline quantile threshold.                                                                                                                                                                                                                                                                            |
-| _Reversal confirmation_                              |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                            |
-| reversal_confirmation.lookback_period                | 0                 | int >= 0                                                                                                                         | Prior confirming candles; 0 = none.                                                                                                                                                                                                                                                                        |
-| reversal_confirmation.decay_ratio                    | 0.5               | float (0,1]                                                                                                                      | Geometric per-candle volatility adjusted reversal threshold relaxation factor.                                                                                                                                                                                                                             |
-| reversal_confirmation.min_natr_ratio_percent         | 0.0095            | float [0,1]                                                                                                                      | Lower bound fraction for volatility adjusted reversal threshold.                                                                                                                                                                                                                                           |
-| reversal_confirmation.max_natr_ratio_percent         | 0.075             | float [0,1]                                                                                                                      | Upper bound fraction (>= lower bound) for volatility adjusted reversal threshold.                                                                                                                                                                                                                          |
-| _Regressor model_                                    |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                            |
-| freqai.regressor                                     | `xgboost`         | enum {`xgboost`,`lightgbm`}                                                                                                      | Machine learning regressor algorithm.                                                                                                                                                                                                                                                                      |
-| _Extrema smoothing_                                  |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                            |
-| freqai.extrema_smoothing.method                      | `gaussian`        | enum {`gaussian`,`kaiser`,`triang`,`smm`,`sma`,`savgol`,`nadaraya_watson`}                                                       | Extrema smoothing method (`smm`=median, `sma`=mean, `savgol`=Savitzky–Golay, `nadaraya_watson`=Gaussian kernel regression).                                                                                                                                                                                |
-| freqai.extrema_smoothing.window                      | 5                 | int >= 3                                                                                                                         | Smoothing window length (candles).                                                                                                                                                                                                                                                                         |
-| freqai.extrema_smoothing.beta                        | 8.0               | float > 0                                                                                                                        | Shape parameter for `kaiser` kernel.                                                                                                                                                                                                                                                                       |
-| freqai.extrema_smoothing.polyorder                   | 3                 | int >= 1                                                                                                                         | Polynomial order for `savgol` smoothing.                                                                                                                                                                                                                                                                   |
-| freqai.extrema_smoothing.mode                        | `mirror`          | enum {`mirror`,`constant`,`nearest`,`wrap`,`interp`}                                                                             | Boundary mode for `savgol` and `nadaraya_watson`.                                                                                                                                                                                                                                                          |
-| freqai.extrema_smoothing.bandwidth                   | 1.0               | float > 0                                                                                                                        | Gaussian bandwidth for `nadaraya_watson`.                                                                                                                                                                                                                                                                  |
-| _Extrema weighting_                                  |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                            |
-| freqai.extrema_weighting.strategy                    | `none`            | enum {`none`,`amplitude`,`amplitude_threshold_ratio`,`volume_weighted_amplitude`}                                                | Extrema weighting source: unweighted (`none`), swing amplitude (`amplitude`), volatility-threshold ratio swing amplitude (`amplitude_threshold_ratio`), or volume-weighted amplitude (`volume_weighted_amplitude`).                                                                                        |
-| freqai.extrema_weighting.standardization             | `none`            | enum {`none`,`zscore`,`robust`,`mmad`}                                                                                           | Standardization method applied before normalization. `none`=no standardization, `zscore`=(w-μ)/σ, `robust`=(w-median)/IQR, `mmad`=(w-median)/MAD.                                                                                                                                                          |
-| freqai.extrema_weighting.robust_quantiles            | [0.25, 0.75]      | list[float] where 0 <= Q1 < Q3 <= 1                                                                                              | Quantile range for robust standardization, Q1 and Q3.                                                                                                                                                                                                                                                      |
-| freqai.extrema_weighting.mmad_scaling_factor         | 1.4826            | float > 0                                                                                                                        | Scaling factor for MMAD standardization.                                                                                                                                                                                                                                                                   |
-| freqai.extrema_weighting.normalization               | `minmax`          | enum {`minmax`,`sigmoid`,`softmax`,`l1`,`l2`,`rank`,`none`}                                                                      | Normalization method for weights.                                                                                                                                                                                                                                                                          |
-| freqai.extrema_weighting.minmax_range                | [0.0, 1.0]        | list[float]                                                                                                                      | Target range for `minmax` normalization, min and max.                                                                                                                                                                                                                                                      |
-| freqai.extrema_weighting.sigmoid_scale               | 1.0               | float > 0                                                                                                                        | Scale parameter for `sigmoid` normalization, controls steepness.                                                                                                                                                                                                                                           |
-| freqai.extrema_weighting.softmax_temperature         | 1.0               | float > 0                                                                                                                        | Temperature parameter for `softmax` normalization: lower values sharpen distribution, higher values flatten it.                                                                                                                                                                                            |
-| freqai.extrema_weighting.rank_method                 | `average`         | enum {`average`,`min`,`max`,`dense`,`ordinal`}                                                                                   | Ranking method for `rank` normalization.                                                                                                                                                                                                                                                                   |
-| freqai.extrema_weighting.gamma                       | 1.0               | float (0,10]                                                                                                                     | Contrast exponent applied after normalization: >1 emphasizes extrema, values between 0 and 1 soften.                                                                                                                                                                                                       |
-| _Feature parameters_                                 |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                            |
-| freqai.feature_parameters.label_period_candles       | min/max midpoint  | int >= 1                                                                                                                         | Zigzag labeling NATR horizon.                                                                                                                                                                                                                                                                              |
-| freqai.feature_parameters.min_label_period_candles   | 12                | int >= 1                                                                                                                         | Minimum labeling NATR horizon used for reversals labeling HPO.                                                                                                                                                                                                                                             |
-| freqai.feature_parameters.max_label_period_candles   | 24                | int >= 1                                                                                                                         | Maximum labeling NATR horizon used for reversals labeling HPO.                                                                                                                                                                                                                                             |
-| freqai.feature_parameters.label_natr_ratio           | min/max midpoint  | float > 0                                                                                                                        | Zigzag labeling NATR ratio.                                                                                                                                                                                                                                                                                |
-| freqai.feature_parameters.min_label_natr_ratio       | 9.0               | float > 0                                                                                                                        | Minimum labeling NATR ratio used for reversals labeling HPO.                                                                                                                                                                                                                                               |
-| freqai.feature_parameters.max_label_natr_ratio       | 12.0              | float > 0                                                                                                                        | Maximum labeling NATR ratio used for reversals labeling HPO.                                                                                                                                                                                                                                               |
-| freqai.feature_parameters.label_frequency_candles    | `auto`            | int >= 2 \| `auto`                                                                                                               | Reversals labeling frequency. `auto` = max(2, 2 \* number of whitelisted pairs).                                                                                                                                                                                                                           |
-| freqai.feature_parameters.label_metric               | `euclidean`       | string (supported: `euclidean`,`minkowski`,`cityblock`,`chebyshev`,`mahalanobis`,`seuclidean`,`jensenshannon`,`sqeuclidean`,...) | Metric used in distance calculations to ideal point.                                                                                                                                                                                                                                                       |
-| freqai.feature_parameters.label_weights              | [1/3,1/3,1/3]     | list[float]                                                                                                                      | Per-objective weights used in distance calculations to ideal point. First objective is the number of detected reversals. Second objective is the median volume-weighted swing amplitude of Zigzag reversals (reversals quality). Third objective is the median volatility-threshold ratio swing amplitude. |
-| freqai.feature_parameters.label_p_order              | `None`            | float \| None                                                                                                                    | p-order used by `minkowski` / `power_mean` (optional).                                                                                                                                                                                                                                                     |
-| freqai.feature_parameters.label_medoid_metric        | `euclidean`       | string                                                                                                                           | Metric used with `medoid`.                                                                                                                                                                                                                                                                                 |
-| freqai.feature_parameters.label_kmeans_metric        | `euclidean`       | string                                                                                                                           | Metric used for k-means clustering.                                                                                                                                                                                                                                                                        |
-| freqai.feature_parameters.label_kmeans_selection     | `min`             | enum {`min`,`medoid`}                                                                                                            | Strategy to select trial in the best kmeans cluster.                                                                                                                                                                                                                                                       |
-| freqai.feature_parameters.label_kmedoids_metric      | `euclidean`       | string                                                                                                                           | Metric used for k-medoids clustering.                                                                                                                                                                                                                                                                      |
-| freqai.feature_parameters.label_kmedoids_selection   | `min`             | enum {`min`,`medoid`}                                                                                                            | Strategy to select trial in the best k-medoids cluster.                                                                                                                                                                                                                                                    |
-| freqai.feature_parameters.label_knn_metric           | `minkowski`       | string                                                                                                                           | Distance metric for KNN.                                                                                                                                                                                                                                                                                   |
-| freqai.feature_parameters.label_knn_p_order          | `None`            | float \| None                                                                                                                    | Tunable for KNN neighbor distances aggregation methods: p-order (`knn_power_mean`, default: 1.0) or quantile (`knn_quantile`, default: 0.5). (optional)                                                                                                                                                    |
-| freqai.feature_parameters.label_knn_n_neighbors      | 5                 | int >= 1                                                                                                                         | Number of neighbors for KNN.                                                                                                                                                                                                                                                                               |
-| _Predictions extrema_                                |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                            |
-| freqai.predictions_extrema.selection_method          | `rank`            | enum {`rank`,`values`,`partition`}                                                                                               | Extrema selection method. `values` uses reversal values, `rank` uses ranked extrema values, `partition` uses sign-based partitioning.                                                                                                                                                                      |
-| freqai.predictions_extrema.thresholds_smoothing      | `mean`            | enum {`mean`,`isodata`,`li`,`minimum`,`otsu`,`triangle`,`yen`,`median`,`soft_extremum`}                                          | Thresholding method for prediction thresholds smoothing.                                                                                                                                                                                                                                                   |
-| freqai.predictions_extrema.thresholds_alpha          | 12.0              | float > 0                                                                                                                        | Alpha for `soft_extremum`.                                                                                                                                                                                                                                                                                 |
-| freqai.predictions_extrema.threshold_outlier         | 0.999             | float (0,1)                                                                                                                      | Quantile threshold for predictions outlier filtering.                                                                                                                                                                                                                                                      |
-| freqai.predictions_extrema.extrema_fraction          | 1.0               | float (0,1]                                                                                                                      | Fraction of extrema used for thresholds. `1.0` uses all, lower values keep only most significant. Applies to `rank` and `values`; ignored for `partition`.                                                                                                                                                 |
-| _Optuna / HPO_                                       |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                            |
-| freqai.optuna_hyperopt.enabled                       | true              | bool                                                                                                                             | Enables HPO.                                                                                                                                                                                                                                                                                               |
-| freqai.optuna_hyperopt.sampler                       | `tpe`             | enum {`tpe`,`auto`}                                                                                                              | HPO sampler algorithm. `tpe` uses TPESampler with multivariate and group, `auto` uses AutoSampler.                                                                                                                                                                                                         |
-| freqai.optuna_hyperopt.storage                       | `file`            | enum {`file`,`sqlite`}                                                                                                           | HPO storage backend.                                                                                                                                                                                                                                                                                       |
-| freqai.optuna_hyperopt.continuous                    | true              | bool                                                                                                                             | Continuous HPO.                                                                                                                                                                                                                                                                                            |
-| freqai.optuna_hyperopt.warm_start                    | true              | bool                                                                                                                             | Warm start HPO with previous best value(s).                                                                                                                                                                                                                                                                |
-| freqai.optuna_hyperopt.n_startup_trials              | 15                | int >= 0                                                                                                                         | HPO startup trials.                                                                                                                                                                                                                                                                                        |
-| freqai.optuna_hyperopt.n_trials                      | 50                | int >= 1                                                                                                                         | Maximum HPO trials.                                                                                                                                                                                                                                                                                        |
-| freqai.optuna_hyperopt.n_jobs                        | CPU threads / 4   | int >= 1                                                                                                                         | Parallel HPO workers.                                                                                                                                                                                                                                                                                      |
-| freqai.optuna_hyperopt.timeout                       | 7200              | int >= 0                                                                                                                         | HPO wall-clock timeout in seconds.                                                                                                                                                                                                                                                                         |
-| freqai.optuna_hyperopt.label_candles_step            | 1                 | int >= 1                                                                                                                         | Step for Zigzag NATR horizon search space.                                                                                                                                                                                                                                                                 |
-| freqai.optuna_hyperopt.train_candles_step            | 10                | int >= 1                                                                                                                         | Step for training sets size search space.                                                                                                                                                                                                                                                                  |
-| freqai.optuna_hyperopt.space_reduction               | false             | bool                                                                                                                             | Enable/disable HPO search space reduction based on previous best parameters.                                                                                                                                                                                                                               |
-| freqai.optuna_hyperopt.expansion_ratio               | 0.4               | float [0,1]                                                                                                                      | HPO search space expansion ratio.                                                                                                                                                                                                                                                                          |
-| freqai.optuna_hyperopt.min_resource                  | 3                 | int >= 1                                                                                                                         | Minimum resource per Hyperband pruner rung.                                                                                                                                                                                                                                                                |
-| freqai.optuna_hyperopt.seed                          | 1                 | int >= 0                                                                                                                         | HPO RNG seed.                                                                                                                                                                                                                                                                                              |
+| Path                                                 | Default           | Type / Range                                                                                                                     | Description                                                                                                                                                                                                                                                                                                  |
+| ---------------------------------------------------- | ----------------- | -------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
+| _Protections_                                        |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                              |
+| custom_protections.trade_duration_candles            | 72                | int >= 1                                                                                                                         | Estimated trade duration in candles. Scales protections stop duration candles and trade limit.                                                                                                                                                                                                               |
+| custom_protections.lookback_period_fraction          | 0.5               | float (0,1]                                                                                                                      | Fraction of fit_live_predictions_candles used to calculate lookback_period_candles for MaxDrawdown and StoplossGuard protections.                                                                                                                                                                            |
+| custom_protections.cooldown.enabled                  | true              | bool                                                                                                                             | Enable/disable CooldownPeriod protection.                                                                                                                                                                                                                                                                    |
+| custom_protections.cooldown.stop_duration_candles    | 4                 | int >= 1                                                                                                                         | Number of candles to wait before allowing new trades after a trade is closed.                                                                                                                                                                                                                                |
+| custom_protections.drawdown.enabled                  | true              | bool                                                                                                                             | Enable/disable MaxDrawdown protection.                                                                                                                                                                                                                                                                       |
+| custom_protections.drawdown.max_allowed_drawdown     | 0.2               | float (0,1)                                                                                                                      | Maximum allowed drawdown.                                                                                                                                                                                                                                                                                    |
+| custom_protections.stoploss.enabled                  | true              | bool                                                                                                                             | Enable/disable StoplossGuard protection.                                                                                                                                                                                                                                                                     |
+| _Leverage_                                           |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                              |
+| leverage                                             | proposed_leverage | float [1.0, max_leverage]                                                                                                        | Leverage. Fallback to proposed_leverage for the pair.                                                                                                                                                                                                                                                        |
+| _Exit pricing_                                       |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                              |
+| exit_pricing.trade_price_target                      | `moving_average`  | enum {`moving_average`,`interpolation`,`weighted_interpolation`}                                                                 | Trade NATR computation method.                                                                                                                                                                                                                                                                               |
+| exit_pricing.thresholds_calibration.decline_quantile | 0.90              | float (0,1)                                                                                                                      | PnL decline quantile threshold.                                                                                                                                                                                                                                                                              |
+| _Reversal confirmation_                              |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                              |
+| reversal_confirmation.lookback_period                | 0                 | int >= 0                                                                                                                         | Prior confirming candles; 0 = none.                                                                                                                                                                                                                                                                          |
+| reversal_confirmation.decay_ratio                    | 0.5               | float (0,1]                                                                                                                      | Geometric per-candle volatility adjusted reversal threshold relaxation factor.                                                                                                                                                                                                                               |
+| reversal_confirmation.min_natr_ratio_percent         | 0.0095            | float [0,1]                                                                                                                      | Lower bound fraction for volatility adjusted reversal threshold.                                                                                                                                                                                                                                             |
+| reversal_confirmation.max_natr_ratio_percent         | 0.075             | float [0,1]                                                                                                                      | Upper bound fraction (>= lower bound) for volatility adjusted reversal threshold.                                                                                                                                                                                                                            |
+| _Regressor model_                                    |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                              |
+| freqai.regressor                                     | `xgboost`         | enum {`xgboost`,`lightgbm`}                                                                                                      | Machine learning regressor algorithm.                                                                                                                                                                                                                                                                        |
+| _Extrema smoothing_                                  |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                              |
+| freqai.extrema_smoothing.method                      | `gaussian`        | enum {`gaussian`,`kaiser`,`triang`,`smm`,`sma`,`savgol`,`nadaraya_watson`}                                                       | Extrema smoothing method (`smm`=median, `sma`=mean, `savgol`=Savitzky–Golay, `nadaraya_watson`=Gaussian kernel regression).                                                                                                                                                                                  |
+| freqai.extrema_smoothing.window                      | 5                 | int >= 3                                                                                                                         | Smoothing window length (candles).                                                                                                                                                                                                                                                                           |
+| freqai.extrema_smoothing.beta                        | 8.0               | float > 0                                                                                                                        | Shape parameter for `kaiser` kernel.                                                                                                                                                                                                                                                                         |
+| freqai.extrema_smoothing.polyorder                   | 3                 | int >= 1                                                                                                                         | Polynomial order for `savgol` smoothing.                                                                                                                                                                                                                                                                     |
+| freqai.extrema_smoothing.mode                        | `mirror`          | enum {`mirror`,`constant`,`nearest`,`wrap`,`interp`}                                                                             | Boundary mode for `savgol` and `nadaraya_watson`.                                                                                                                                                                                                                                                            |
+| freqai.extrema_smoothing.bandwidth                   | 1.0               | float > 0                                                                                                                        | Gaussian bandwidth for `nadaraya_watson`.                                                                                                                                                                                                                                                                    |
+| _Extrema weighting_                                  |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                              |
+| freqai.extrema_weighting.strategy                    | `none`            | enum {`none`,`amplitude`,`amplitude_threshold_ratio`,`volume_weighted_amplitude`}                                                | Extrema weighting source: unweighted (`none`), swing amplitude (`amplitude`), volatility-threshold / swing amplitude ratio (`amplitude_threshold_ratio`), or volume-weighted swing amplitude (`volume_weighted_amplitude`).                                                                                  |
+| freqai.extrema_weighting.standardization             | `none`            | enum {`none`,`zscore`,`robust`,`mmad`}                                                                                           | Standardization method applied before normalization. `none`=no standardization, `zscore`=(w-μ)/σ, `robust`=(w-median)/IQR, `mmad`=(w-median)/MAD.                                                                                                                                                            |
+| freqai.extrema_weighting.robust_quantiles            | [0.25, 0.75]      | list[float] where 0 <= Q1 < Q3 <= 1                                                                                              | Quantile range for robust standardization, Q1 and Q3.                                                                                                                                                                                                                                                        |
+| freqai.extrema_weighting.mmad_scaling_factor         | 1.4826            | float > 0                                                                                                                        | Scaling factor for MMAD standardization.                                                                                                                                                                                                                                                                     |
+| freqai.extrema_weighting.normalization               | `minmax`          | enum {`minmax`,`sigmoid`,`softmax`,`l1`,`l2`,`rank`,`none`}                                                                      | Normalization method for weights.                                                                                                                                                                                                                                                                            |
+| freqai.extrema_weighting.minmax_range                | [0.0, 1.0]        | list[float]                                                                                                                      | Target range for `minmax` normalization, min and max.                                                                                                                                                                                                                                                        |
+| freqai.extrema_weighting.sigmoid_scale               | 1.0               | float > 0                                                                                                                        | Scale parameter for `sigmoid` normalization, controls steepness.                                                                                                                                                                                                                                             |
+| freqai.extrema_weighting.softmax_temperature         | 1.0               | float > 0                                                                                                                        | Temperature parameter for `softmax` normalization: lower values sharpen distribution, higher values flatten it.                                                                                                                                                                                              |
+| freqai.extrema_weighting.rank_method                 | `average`         | enum {`average`,`min`,`max`,`dense`,`ordinal`}                                                                                   | Ranking method for `rank` normalization.                                                                                                                                                                                                                                                                     |
+| freqai.extrema_weighting.gamma                       | 1.0               | float (0,10]                                                                                                                     | Contrast exponent applied after normalization: >1 emphasizes extrema, values between 0 and 1 soften.                                                                                                                                                                                                         |
+| _Feature parameters_                                 |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                              |
+| freqai.feature_parameters.label_period_candles       | min/max midpoint  | int >= 1                                                                                                                         | Zigzag labeling NATR horizon.                                                                                                                                                                                                                                                                                |
+| freqai.feature_parameters.min_label_period_candles   | 12                | int >= 1                                                                                                                         | Minimum labeling NATR horizon used for reversals labeling HPO.                                                                                                                                                                                                                                               |
+| freqai.feature_parameters.max_label_period_candles   | 24                | int >= 1                                                                                                                         | Maximum labeling NATR horizon used for reversals labeling HPO.                                                                                                                                                                                                                                               |
+| freqai.feature_parameters.label_natr_ratio           | min/max midpoint  | float > 0                                                                                                                        | Zigzag labeling NATR ratio.                                                                                                                                                                                                                                                                                  |
+| freqai.feature_parameters.min_label_natr_ratio       | 9.0               | float > 0                                                                                                                        | Minimum labeling NATR ratio used for reversals labeling HPO.                                                                                                                                                                                                                                                 |
+| freqai.feature_parameters.max_label_natr_ratio       | 12.0              | float > 0                                                                                                                        | Maximum labeling NATR ratio used for reversals labeling HPO.                                                                                                                                                                                                                                                 |
+| freqai.feature_parameters.label_frequency_candles    | `auto`            | int >= 2 \| `auto`                                                                                                               | Reversals labeling frequency. `auto` = max(2, 2 \* number of whitelisted pairs).                                                                                                                                                                                                                             |
+| freqai.feature_parameters.label_metric               | `euclidean`       | string (supported: `euclidean`,`minkowski`,`cityblock`,`chebyshev`,`mahalanobis`,`seuclidean`,`jensenshannon`,`sqeuclidean`,...) | Metric used in distance calculations to ideal point.                                                                                                                                                                                                                                                         |
+| freqai.feature_parameters.label_weights              | [1/3,1/3,1/3]     | list[float]                                                                                                                      | Per-objective weights used in distance calculations to ideal point. First objective is the number of detected reversals. Second objective is the median volume-weighted swing amplitude of Zigzag reversals (reversals quality). Third objective is the median volatility-threshold / swing amplitude ratio. |
+| freqai.feature_parameters.label_p_order              | `None`            | float \| None                                                                                                                    | p-order used by `minkowski` / `power_mean` (optional).                                                                                                                                                                                                                                                       |
+| freqai.feature_parameters.label_medoid_metric        | `euclidean`       | string                                                                                                                           | Metric used with `medoid`.                                                                                                                                                                                                                                                                                   |
+| freqai.feature_parameters.label_kmeans_metric        | `euclidean`       | string                                                                                                                           | Metric used for k-means clustering.                                                                                                                                                                                                                                                                          |
+| freqai.feature_parameters.label_kmeans_selection     | `min`             | enum {`min`,`medoid`}                                                                                                            | Strategy to select trial in the best kmeans cluster.                                                                                                                                                                                                                                                         |
+| freqai.feature_parameters.label_kmedoids_metric      | `euclidean`       | string                                                                                                                           | Metric used for k-medoids clustering.                                                                                                                                                                                                                                                                        |
+| freqai.feature_parameters.label_kmedoids_selection   | `min`             | enum {`min`,`medoid`}                                                                                                            | Strategy to select trial in the best k-medoids cluster.                                                                                                                                                                                                                                                      |
+| freqai.feature_parameters.label_knn_metric           | `minkowski`       | string                                                                                                                           | Distance metric for KNN.                                                                                                                                                                                                                                                                                     |
+| freqai.feature_parameters.label_knn_p_order          | `None`            | float \| None                                                                                                                    | Tunable for KNN neighbor distances aggregation methods: p-order (`knn_power_mean`, default: 1.0) or quantile (`knn_quantile`, default: 0.5). (optional)                                                                                                                                                      |
+| freqai.feature_parameters.label_knn_n_neighbors      | 5                 | int >= 1                                                                                                                         | Number of neighbors for KNN.                                                                                                                                                                                                                                                                                 |
+| _Predictions extrema_                                |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                              |
+| freqai.predictions_extrema.selection_method          | `rank`            | enum {`rank`,`values`,`partition`}                                                                                               | Extrema selection method. `values` uses reversal values, `rank` uses ranked extrema values, `partition` uses sign-based partitioning.                                                                                                                                                                        |
+| freqai.predictions_extrema.thresholds_smoothing      | `mean`            | enum {`mean`,`isodata`,`li`,`minimum`,`otsu`,`triangle`,`yen`,`median`,`soft_extremum`}                                          | Thresholding method for prediction thresholds smoothing.                                                                                                                                                                                                                                                     |
+| freqai.predictions_extrema.thresholds_alpha          | 12.0              | float > 0                                                                                                                        | Alpha for `soft_extremum`.                                                                                                                                                                                                                                                                                   |
+| freqai.predictions_extrema.threshold_outlier         | 0.999             | float (0,1)                                                                                                                      | Quantile threshold for predictions outlier filtering.                                                                                                                                                                                                                                                        |
+| freqai.predictions_extrema.extrema_fraction          | 1.0               | float (0,1]                                                                                                                      | Fraction of extrema used for thresholds. `1.0` uses all, lower values keep only most significant. Applies to `rank` and `values`; ignored for `partition`.                                                                                                                                                   |
+| _Optuna / HPO_                                       |                   |                                                                                                                                  |                                                                                                                                                                                                                                                                                                              |
+| freqai.optuna_hyperopt.enabled                       | true              | bool                                                                                                                             | Enables HPO.                                                                                                                                                                                                                                                                                                 |
+| freqai.optuna_hyperopt.sampler                       | `tpe`             | enum {`tpe`,`auto`}                                                                                                              | HPO sampler algorithm. `tpe` uses TPESampler with multivariate and group, `auto` uses AutoSampler.                                                                                                                                                                                                           |
+| freqai.optuna_hyperopt.storage                       | `file`            | enum {`file`,`sqlite`}                                                                                                           | HPO storage backend.                                                                                                                                                                                                                                                                                         |
+| freqai.optuna_hyperopt.continuous                    | true              | bool                                                                                                                             | Continuous HPO.                                                                                                                                                                                                                                                                                              |
+| freqai.optuna_hyperopt.warm_start                    | true              | bool                                                                                                                             | Warm start HPO with previous best value(s).                                                                                                                                                                                                                                                                  |
+| freqai.optuna_hyperopt.n_startup_trials              | 15                | int >= 0                                                                                                                         | HPO startup trials.                                                                                                                                                                                                                                                                                          |
+| freqai.optuna_hyperopt.n_trials                      | 50                | int >= 1                                                                                                                         | Maximum HPO trials.                                                                                                                                                                                                                                                                                          |
+| freqai.optuna_hyperopt.n_jobs                        | CPU threads / 4   | int >= 1                                                                                                                         | Parallel HPO workers.                                                                                                                                                                                                                                                                                        |
+| freqai.optuna_hyperopt.timeout                       | 7200              | int >= 0                                                                                                                         | HPO wall-clock timeout in seconds.                                                                                                                                                                                                                                                                           |
+| freqai.optuna_hyperopt.label_candles_step            | 1                 | int >= 1                                                                                                                         | Step for Zigzag NATR horizon search space.                                                                                                                                                                                                                                                                   |
+| freqai.optuna_hyperopt.train_candles_step            | 10                | int >= 1                                                                                                                         | Step for training sets size search space.                                                                                                                                                                                                                                                                    |
+| freqai.optuna_hyperopt.space_reduction               | false             | bool                                                                                                                             | Enable/disable HPO search space reduction based on previous best parameters.                                                                                                                                                                                                                                 |
+| freqai.optuna_hyperopt.expansion_ratio               | 0.4               | float [0,1]                                                                                                                      | HPO search space expansion ratio.                                                                                                                                                                                                                                                                            |
+| freqai.optuna_hyperopt.min_resource                  | 3                 | int >= 1                                                                                                                         | Minimum resource per Hyperband pruner rung.                                                                                                                                                                                                                                                                  |
+| freqai.optuna_hyperopt.seed                          | 1                 | int >= 0                                                                                                                         | HPO RNG seed.                                                                                                                                                                                                                                                                                                |
 
 ## ReforceXY