{ "date": "2026-10-14", "captured_at": "2026-10-15T03:34:06.939681+00:00", "generated_at": "2026-10-14T23:34:07.616786", "artifact_type": "home_run_edges", "market_type": "home_run_over_0_5", "model_version": "home_run_edges_v1_overlay", "projection_model_version": "home_run_props_v2_conditional_v2", "projection_date": "2026-10-14", "probability_calibration_export": { "schema": "mithrandir.hr_probability_calibrator", "schema_version": 1, "calibration_version": "hr_prob_1_plus_logistic_v1_20260810", "status": "shadow_export_only", "applied": true, "source_model_version": "home_run_props_v2_conditional_v2", "active_model_version": "home_run_props_v2_conditional_v2", "source_field": "prob_1_plus_hr", "output_field": "calibrated_prob_1_plus_hr", "ranking_source": "prob_1_plus_hr", "recommendation_source": "prob_1_plus_hr", "website_source": "prob_1_plus_hr", "policy": { "may_replace_raw": false, "may_drive_rankings": false, "may_drive_recommendations": false, "may_drive_website": false, "requires_contract_validation_before_consumption": true }, "fit_contract": { "prediction_epoch": "home_run_props_v2_conditional_v2", "point_in_time_cutoff_local": "11:00:00", "train": { "start": "2026-04-04", "end": "2026-05-14", "days": 17, "rows": 3114 }, "validation": { "start": "2026-05-19", "end": "2026-05-26", "days": 5, "rows": 852 }, "untouched_holdout": { "start": "2026-05-31", "end": "2026-06-18", "days": 7, "rows": 972, "raw_brier": 0.0839676311728395, "calibrated_brier": 0.08051768184195375, "relative_brier_improvement": 0.04108665783109144, "raw_ece": 0.05874423868312757, "calibrated_ece": 0.015167291866040421, "top_1_set_overlap": 1.0, "top_3_set_overlap": 1.0, "top_5_set_overlap": 1.0 } }, "row_count": 9 }, "sportsbook_input_summary": { "input_type": "manual_sportsbook_input", "source_count": 1, "row_count": 9, "matched_count": 9, "unmatched_count": 0 }, "assumptions": { "methodology": "Sportsbook home run props are matched against the saved Mithrandir home run props artifact. For the common 0.5 HR market, the model over probability is the saved 1+ HR probability and the model under probability is its complement. Raw implied probabilities are calculated directly from American odds, and optional no-vig implied probabilities are computed by renormalizing both sides when both odds are present.", "market_handling": { "supported_market": "over_0_5_home_runs", "one_sided_format": "one_sided_hr", "two_sided_format": "two_sided_over_under", "model_push_probability": 0.0, "matching_order": [ "hitter_id", "normalized_hitter_name_plus_team_abbr_plus_opponent_abbr" ] }, "recommendation_thresholds": { "threshold_version": "v1_2_calibrated", "no_play_edge_threshold_below": 0.025, "lean_edge_threshold": 0.025, "play_edge_threshold": 0.045, "strong_edge_threshold": 0.07 }, "parallel_hr_confidence_layer": { "status": "available", "raw_field": "hr_prob_rf_safe_raw", "primary_internal_field": "hr_prob_rf_safe_calibrated_isotonic", "secondary_field": "hr_prob_rf_safe_calibrated_logistic", "parallel_rf_field": "hr_prob_rf_safe", "parallel_catboost_field": "hr_prob_catboost_safe", "parallel_hybrid_field": "hr_prob_hybrid_gap_adjusted", "parallel_logistic_field": "hr_prob_logistic_classifier", "parallel_rf_logistic_anchor_field": "hr_prob_rf_safe_logistic_anchor", "parallel_refined_field": "hr_prob_refined", "bucket_field": "hr_confidence_bucket", "zone_field": "hr_confidence_zone_tag", "note": "RF-safe remains the ranking engine. CatBoost-safe, hybrid gap-adjusted, logistic classifier, RF-safe logistic-anchor, and refined probabilities are carried as parallel internal confidence fields only and do not replace the existing edge logic." }, "palantir_anchor_layer": { "status": "available", "anchor_model": "elastic_net", "projection_field": "projected_home_runs_palantir", "probability_field": "hr_prob_palantir", "confidence_label_field": "palantir_confidence_label", "signal_label_field": "palantir_signal_label", "support_layers": [ "projected_home_runs_elastic_net", "projected_home_runs_blended_safe", "projected_home_runs_baseline" ], "note": "Palantir is a stable projection-first internal anchor. These fields are additive and do not alter Fangorn ranking or HR edge ordering." }, "value_play_formula": { "version": "v2_value_score", "limit": 5, "formula": "value_score = max(0, (0.50 * edge_component + 0.30 * probability_component + 0.15 * payout_component + 0.05 * lineup_component - longshot_penalty)) * 100", "edge_component": "clamp((edge_over - 0.02) / 0.10, 0, 1)", "probability_component": "clamp((prob_1_plus_hr - 0.14) / 0.16, 0, 1)", "payout_component": "piecewise preference that peaks in the +200 to +350 range and fades above +350", "lineup_component": "1.0 if confirmed_lineup_flag else 0.92", "longshot_penalty": "0.10 * clamp((0.16 - prob_1_plus_hr) / 0.06, 0, 1) + 0.08 * clamp((over_odds - 400) / 200, 0, 1)", "eligibility": { "recommended_side": "Over", "play_tiers": [ "Strong", "Play", "Lean" ], "plus_money_only": true, "minimum_probability": 0.14, "extreme_longshot_odds_threshold": 400, "extreme_longshot_minimum_probability": 0.2, "selection_rule": "Top 5 unique hitters by best value_score row per hitter per date" } } }, "summary": { "total_rows": 9, "matched_rows": 9, "unmatched_rows": 0, "over_recommendation_count": 0, "under_recommendation_count": 0, "strong_count": 0, "play_count": 0, "lean_count": 0, "no_play_count": 9, "average_edge_over": -0.003, "average_edge_under": -0.0346, "value_play_count": 0 }, "edge_count": 9, "edges": [ { "hitter_name": "William Contreras", "hitter_id": 661388, "team_abbr": "MIL", "opponent_abbr": "LAD", "pitcher_name": "Blake Snell", "sportsbook": "DraftKings", "timestamp": "2026-10-14T12:00:00", "market_type": "home_run_over_0_5", "market_format": "two_sided_over_under", "recommendation_threshold_version": "v1_2_calibrated", "strong_threshold": 0.07, "play_threshold": 0.045, "lean_threshold": 0.025, "line": 0.5, "over_odds": 645, "under_odds": -905, "expected_home_runs": 0.1556, "prob_1_plus_hr": 0.1441, "calibrated_prob_1_plus_hr": 0.080015, "model_over_probability": 0.1441, "model_under_probability": 0.8559, "model_push_probability": 0.0, "implied_over_probability_raw": 0.1342, "implied_under_probability_raw": 0.9005, "implied_over_probability_novig": 0.1297, "implied_under_probability_novig": 0.8703, "edge_over": 0.0099, "edge_under": -0.0446, "recommended_side": "No Play", "recommended_edge": 0.0099, "play_tier": null, "no_play_reason": "Model edge did not clear the minimum threshold.", "lineup_slot": 3, "lineup_source": "projected", "lineup_confidence": "projected", "confirmed_lineup_flag": false, "likely_starter_flag": true, "platoon_risk_flag": false, "platoon_role_type": "everyday_regular", "estimated_start_probability": 0.99, "availability_status": "ACTIVE", "availability_factor": 1.0, "active_roster_flag": true, "projected_plate_appearances_raw": 4.55, "xpa_adjusted_for_platoon": 4.51, "opportunity_penalty_reason": "historical_split_blend; strong_historical_slot; favorable_side_history", "handedness_matchup": "opposite_side", "pitcher_hr_contact_allowance_multiplier": 0.917, "pitch_mix_interaction_score": 109.8, "environment_summary": "pitcher-friendly", "hr_multiplier": 0.888, "source_file": "shadow_book_lines.csv", "matching_method": "hitter_id", "projected_home_runs_baseline_season": 18.0, "projected_home_runs_rf_safe_season": 18.0, "projected_home_runs_catboost_safe_season": null, "projected_home_runs_elastic_net_season": null, "projected_home_runs_blended_safe_season": 17.03, "projected_home_runs_palantir": 17.03, "hr_prob_rf_safe": 0.1422, "hr_prob_catboost_safe": 0.1441, "hr_prob_hybrid_gap_adjusted": 0.1427, "hr_prob_logistic_classifier": null, "hr_prob_rf_safe_logistic_anchor": 0.1422, "hr_prob_valinor_nonstacked_beta": 0.1183, "hr_prob_valinor_nonstacked_beta_raw": 0.1255, "hr_valinor_model_version": "hr_valinor_nonstacked_lgbm_beta_20260525T160439Z", "hr_prob_refined": 0.1426, "hr_prob_palantir": 0.1369, "hr_prob_rf_safe_raw": 0.1441, "hr_prob_rf_safe_calibrated_isotonic": 0.1422, "hr_prob_rf_safe_calibrated_logistic": 0.1304, "hr_edge_palantir": 0.0027, "hr_edge_catboost_safe": 0.0099, "hr_edge_hybrid_gap_adjusted": 0.0085, "hr_edge_logistic_classifier": null, "hr_edge_rf_safe_logistic_anchor": 0.008, "hr_edge_valinor_nonstacked_beta": -0.0159, "hr_edge_rf_safe_raw": 0.0099, "hr_edge_rf_safe_calibrated_isotonic": 0.008, "hr_edge_rf_safe_calibrated_logistic": -0.0038, "palantir_confidence_label": "Low", "palantir_signal_label": "Stable Consensus", "fangorn_support_tier": "MODERATE_SUPPORT", "fangorn_support_label": "Steady Support", "fangorn_support_warning_count": 1, "fangorn_anchored_support_gap": 0.0, "fangorn_anchor_logistic_gap": 0.1422, "fangorn_projection_spread_ratio": 0.0, "fangorn_logistic_dominance_tier": "MODEL_LIFT", "fangorn_logistic_dominance_label": "Model Lift", "fangorn_logistic_refined_delta": -0.1426, "fangorn_exposure_tier": "CAUTION", "fangorn_exposure_label": "Caution", "fangorn_confidence_segment_label": "Steady Support + Model Lift", "fangorn_exposure_note": "Weakest meaningful shortlist segment in the replay.", "damage_tier": "MODERATE_DAMAGE", "damage_label": "Moderate Damage", "damage_score": 1, "damage_rank_bucket": "unranked", "damage_note": "Some HR-driven damage support is present, but without elite trust concentration.", "suppression_tier": "MILD_SUPPRESSION", "suppression_label": "Mild Suppression", "suppression_score": 36, "suppression_reason_count": 3, "suppression_note": "Some drag is present: opportunity penalty, tough contact allowance.", "trust_modifier": "DOWNGRADED_TRUST", "trust_label": "Downgraded Trust", "trust_note": "Support exists, but suppression is materially weakening the trust profile.", "hr_confidence_bucket": "Below 25%", "hr_confidence_zone_tag": "Watch Zone", "hr_confidence_projection_lookup_found": true, "edge_abs_rank": 2, "edge_direction_rank": null, "value_score": null, "value_rank": null, "value_box_rank": null, "value_formula_version": "v2_value_score", "model_lane_contract_version": "m3_phase1_home_runs_v1", "market_fair_probability": 0.1297, "palantir_coverage_status": "production", "palantir_source_column": "hr_prob_palantir", "palantir_model_version": "home_run_edges_v1_overlay", "palantir_projection": 17.03, "palantir_expected_home_runs": 17.03, "palantir_prob_over": 0.12244440919318085, "palantir_hr_prob": 0.1369, "palantir_prob_under": 0.8775555908068191, "palantir_projection_implied": null, "palantir_fair_over_odds": null, "palantir_fair_under_odds": null, "palantir_gap_pct": -0.007255590806819159, "palantir_confidence": "Low", "palantir_p10": null, "palantir_p50": null, "palantir_p90": null, "fangorn_coverage_status": "production", "fangorn_source_column": "hr_prob_rf_safe", "fangorn_model_version": "home_run_edges_v1_overlay", "fangorn_projection": 0.1556, "fangorn_expected_home_runs": 0.1556, "fangorn_prob_over": 0.137716953201261, "fangorn_hr_prob": 0.1422, "fangorn_prob_under": 0.862283046798739, "fangorn_projection_implied": null, "fangorn_fair_over_odds": null, "fangorn_fair_under_odds": null, "fangorn_gap_pct": 0.008016953201261001, "fangorn_confidence": "Steady Support + Model Lift", "fangorn_signal_label": "Steady Support / Caution", "fangorn_p10": null, "fangorn_p50": null, "fangorn_p90": null, "valinor_coverage_status": "production", "valinor_source_column": "hr_prob_valinor_nonstacked_beta", "valinor_model_version": "home_run_edges_v1_overlay", "valinor_projection": null, "valinor_expected_home_runs": null, "valinor_prob_over": 0.1183, "valinor_hr_prob": 0.1183, "valinor_prob_under": 0.8817, "valinor_projection_implied": null, "valinor_fair_over_odds": null, "valinor_fair_under_odds": null, "valinor_gap_pct": -0.0159, "valinor_confidence": null, "valinor_signal_label": "Non-stacked LightGBM beta", "valinor_p10": null, "valinor_p50": null, "valinor_p90": null, "model_lane_count": 3, "model_spread": 0.01941695320126101, "model_agreement_label": "aligned", "recommended_display_lane": null, "palantir_prob_over_training_time": 0.1369, "palantir_calibration_status": "recalibrated", "palantir_calibration_version": "calibration_20261013T113821Z", "palantir_gap_pct_training_time": 0.0027, "fangorn_prob_over_training_time": 0.1422, "fangorn_calibration_status": "recalibrated", "fangorn_calibration_version": "calibration_20261013T114059Z", "fangorn_gap_pct_training_time": 0.008, "captured_at": "2026-10-15T03:34:06.939681+00:00" }, { "hitter_name": "William Contreras", "hitter_id": 661388, "team_abbr": "MIL", "opponent_abbr": "LAD", "pitcher_name": "Blake Snell", "sportsbook": "FanDuel", "timestamp": "2026-10-14T12:00:00", "market_type": "home_run_over_0_5", "market_format": "two_sided_over_under", "recommendation_threshold_version": "v1_2_calibrated", "strong_threshold": 0.07, "play_threshold": 0.045, "lean_threshold": 0.025, "line": 0.5, "over_odds": 645, "under_odds": -960, "expected_home_runs": 0.1556, "prob_1_plus_hr": 0.1441, "calibrated_prob_1_plus_hr": 0.080015, "model_over_probability": 0.1441, "model_under_probability": 0.8559, "model_push_probability": 0.0, "implied_over_probability_raw": 0.1342, "implied_under_probability_raw": 0.9057, "implied_over_probability_novig": 0.1291, "implied_under_probability_novig": 0.8709, "edge_over": 0.0099, "edge_under": -0.0498, "recommended_side": "No Play", "recommended_edge": 0.0099, "play_tier": null, "no_play_reason": "Model edge did not clear the minimum threshold.", "lineup_slot": 3, "lineup_source": "projected", "lineup_confidence": "projected", "confirmed_lineup_flag": false, "likely_starter_flag": true, "platoon_risk_flag": false, "platoon_role_type": "everyday_regular", "estimated_start_probability": 0.99, "availability_status": "ACTIVE", "availability_factor": 1.0, "active_roster_flag": true, "projected_plate_appearances_raw": 4.55, "xpa_adjusted_for_platoon": 4.51, "opportunity_penalty_reason": "historical_split_blend; strong_historical_slot; favorable_side_history", "handedness_matchup": "opposite_side", "pitcher_hr_contact_allowance_multiplier": 0.917, "pitch_mix_interaction_score": 109.8, "environment_summary": "pitcher-friendly", "hr_multiplier": 0.888, "source_file": "shadow_book_lines.csv", "matching_method": "hitter_id", "projected_home_runs_baseline_season": 18.0, "projected_home_runs_rf_safe_season": 18.0, "projected_home_runs_catboost_safe_season": null, "projected_home_runs_elastic_net_season": null, "projected_home_runs_blended_safe_season": 17.03, "projected_home_runs_palantir": 17.03, "hr_prob_rf_safe": 0.1422, "hr_prob_catboost_safe": 0.1441, "hr_prob_hybrid_gap_adjusted": 0.1427, "hr_prob_logistic_classifier": null, "hr_prob_rf_safe_logistic_anchor": 0.1422, "hr_prob_valinor_nonstacked_beta": 0.1183, "hr_prob_valinor_nonstacked_beta_raw": 0.1255, "hr_valinor_model_version": "hr_valinor_nonstacked_lgbm_beta_20260525T160439Z", "hr_prob_refined": 0.1426, "hr_prob_palantir": 0.1369, "hr_prob_rf_safe_raw": 0.1441, "hr_prob_rf_safe_calibrated_isotonic": 0.1422, "hr_prob_rf_safe_calibrated_logistic": 0.1304, "hr_edge_palantir": 0.0027, "hr_edge_catboost_safe": 0.0099, "hr_edge_hybrid_gap_adjusted": 0.0085, "hr_edge_logistic_classifier": null, "hr_edge_rf_safe_logistic_anchor": 0.008, "hr_edge_valinor_nonstacked_beta": -0.0159, "hr_edge_rf_safe_raw": 0.0099, "hr_edge_rf_safe_calibrated_isotonic": 0.008, "hr_edge_rf_safe_calibrated_logistic": -0.0038, "palantir_confidence_label": "Low", "palantir_signal_label": "Stable Consensus", "fangorn_support_tier": "MODERATE_SUPPORT", "fangorn_support_label": "Steady Support", "fangorn_support_warning_count": 1, "fangorn_anchored_support_gap": 0.0, "fangorn_anchor_logistic_gap": 0.1422, "fangorn_projection_spread_ratio": 0.0, "fangorn_logistic_dominance_tier": "MODEL_LIFT", "fangorn_logistic_dominance_label": "Model Lift", "fangorn_logistic_refined_delta": -0.1426, "fangorn_exposure_tier": "CAUTION", "fangorn_exposure_label": "Caution", "fangorn_confidence_segment_label": "Steady Support + Model Lift", "fangorn_exposure_note": "Weakest meaningful shortlist segment in the replay.", "damage_tier": "MODERATE_DAMAGE", "damage_label": "Moderate Damage", "damage_score": 1, "damage_rank_bucket": "unranked", "damage_note": "Some HR-driven damage support is present, but without elite trust concentration.", "suppression_tier": "MILD_SUPPRESSION", "suppression_label": "Mild Suppression", "suppression_score": 36, "suppression_reason_count": 3, "suppression_note": "Some drag is present: opportunity penalty, tough contact allowance.", "trust_modifier": "DOWNGRADED_TRUST", "trust_label": "Downgraded Trust", "trust_note": "Support exists, but suppression is materially weakening the trust profile.", "hr_confidence_bucket": "Below 25%", "hr_confidence_zone_tag": "Watch Zone", "hr_confidence_projection_lookup_found": true, "edge_abs_rank": 3, "edge_direction_rank": null, "value_score": null, "value_rank": null, "value_box_rank": null, "value_formula_version": "v2_value_score", "model_lane_contract_version": "m3_phase1_home_runs_v1", "market_fair_probability": 0.1291, "palantir_coverage_status": "production", "palantir_source_column": "hr_prob_palantir", "palantir_model_version": "home_run_edges_v1_overlay", "palantir_projection": 17.03, "palantir_expected_home_runs": 17.03, "palantir_prob_over": 0.12244440919318085, "palantir_hr_prob": 0.1369, "palantir_prob_under": 0.8775555908068191, "palantir_projection_implied": null, "palantir_fair_over_odds": null, "palantir_fair_under_odds": null, "palantir_gap_pct": -0.006655590806819142, "palantir_confidence": "Low", "palantir_p10": null, "palantir_p50": null, "palantir_p90": null, "fangorn_coverage_status": "production", "fangorn_source_column": "hr_prob_rf_safe", "fangorn_model_version": "home_run_edges_v1_overlay", "fangorn_projection": 0.1556, "fangorn_expected_home_runs": 0.1556, "fangorn_prob_over": 0.137716953201261, "fangorn_hr_prob": 0.1422, "fangorn_prob_under": 0.862283046798739, "fangorn_projection_implied": null, "fangorn_fair_over_odds": null, "fangorn_fair_under_odds": null, "fangorn_gap_pct": 0.008616953201261018, "fangorn_confidence": "Steady Support + Model Lift", "fangorn_signal_label": "Steady Support / Caution", "fangorn_p10": null, "fangorn_p50": null, "fangorn_p90": null, "valinor_coverage_status": "production", "valinor_source_column": "hr_prob_valinor_nonstacked_beta", "valinor_model_version": "home_run_edges_v1_overlay", "valinor_projection": null, "valinor_expected_home_runs": null, "valinor_prob_over": 0.1183, "valinor_hr_prob": 0.1183, "valinor_prob_under": 0.8817, "valinor_projection_implied": null, "valinor_fair_over_odds": null, "valinor_fair_under_odds": null, "valinor_gap_pct": -0.0159, "valinor_confidence": null, "valinor_signal_label": "Non-stacked LightGBM beta", "valinor_p10": null, "valinor_p50": null, "valinor_p90": null, "model_lane_count": 3, "model_spread": 0.01941695320126101, "model_agreement_label": "aligned", "recommended_display_lane": null, "palantir_prob_over_training_time": 0.1369, "palantir_calibration_status": "recalibrated", "palantir_calibration_version": "calibration_20261013T113821Z", "palantir_gap_pct_training_time": 0.0027, "fangorn_prob_over_training_time": 0.1422, "fangorn_calibration_status": "recalibrated", "fangorn_calibration_version": "calibration_20261013T114059Z", "fangorn_gap_pct_training_time": 0.008, "captured_at": "2026-10-15T03:34:06.939681+00:00" }, { "hitter_name": "William Contreras", "hitter_id": 661388, "team_abbr": "MIL", "opponent_abbr": "LAD", "pitcher_name": "Blake Snell", "sportsbook": "BetMGM", "timestamp": "2026-10-14T12:00:00", "market_type": "home_run_over_0_5", "market_format": "one_sided_hr", "recommendation_threshold_version": "v1_2_calibrated", "strong_threshold": 0.07, "play_threshold": 0.045, "lean_threshold": 0.025, "line": 0.5, "over_odds": 640, "under_odds": null, "expected_home_runs": 0.1556, "prob_1_plus_hr": 0.1441, "calibrated_prob_1_plus_hr": 0.080015, "model_over_probability": 0.1441, "model_under_probability": 0.8559, "model_push_probability": 0.0, "implied_over_probability_raw": 0.1351, "implied_under_probability_raw": null, "implied_over_probability_novig": null, "implied_under_probability_novig": null, "edge_over": 0.009, "edge_under": null, "recommended_side": "No Play", "recommended_edge": 0.009, "play_tier": null, "no_play_reason": "Model edge did not clear the minimum threshold.", "lineup_slot": 3, "lineup_source": "projected", "lineup_confidence": "projected", "confirmed_lineup_flag": false, "likely_starter_flag": true, "platoon_risk_flag": false, "platoon_role_type": "everyday_regular", "estimated_start_probability": 0.99, "availability_status": "ACTIVE", "availability_factor": 1.0, "active_roster_flag": true, "projected_plate_appearances_raw": 4.55, "xpa_adjusted_for_platoon": 4.51, "opportunity_penalty_reason": "historical_split_blend; strong_historical_slot; 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null, "palantir_prob_over_training_time": 0.1369, "palantir_calibration_status": "recalibrated", "palantir_calibration_version": "calibration_20261013T113821Z", "fangorn_prob_over_training_time": 0.1422, "fangorn_calibration_status": "recalibrated", "fangorn_calibration_version": "calibration_20261013T114059Z", "captured_at": "2026-10-15T03:34:06.939681+00:00" }, { "hitter_name": "Christian Yelich", "hitter_id": 592885, "team_abbr": "MIL", "opponent_abbr": "LAD", "pitcher_name": "Blake Snell", "sportsbook": "FanDuel", "timestamp": "2026-10-14T12:00:00", "market_type": "home_run_over_0_5", "market_format": "two_sided_over_under", "recommendation_threshold_version": "v1_2_calibrated", "strong_threshold": 0.07, "play_threshold": 0.045, "lean_threshold": 0.025, "line": 0.5, "over_odds": 520, "under_odds": -725, "expected_home_runs": 0.1663, "prob_1_plus_hr": 0.1532, "calibrated_prob_1_plus_hr": 0.085981, "model_over_probability": 0.1532, "model_under_probability": 0.8468, 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