{"schema":"vspredicts.research-performance.v1","generated_at":"2026-09-02T00:17:06.563Z","experimental":true,"official_picks":false,"independence_rule":"One observation per event, market, selection, model version, and freeze window; repeated polling is not a new sample.","freeze_windows":{"t60":{"target_minutes_before_start":60,"accepted_window_minutes":[45,75]},"t15":{"target_minutes_before_start":15,"accepted_window_minutes":[5,25]}},"metric_notes":{"brier_score":"Lower is better; calculated on non-push settled binary outcomes.","average_clv_pct":"Only comparable same-point closes are included.","hypothetical_flat_roi":"One unit risked per settled research observation; not an official recommendation record."},"segments":[{"sport":"mlb","league":"baseball","market":"h2h","model_version":"EV-8.2-SHARP","freeze_window":"t15","frozen_observations":14,"settled_observations":0,"wins":0,"losses":0,"pushes":0,"average_forecast_probability":null,"observed_win_rate":null,"brier_score":null,"average_clv_pct":null,"clv_observations":0,"hypothetical_flat_roi":null},{"sport":"mlb","league":"baseball","market":"h2h","model_version":"EV-8.2-SHARP","freeze_window":"t60","frozen_observations":10,"settled_observations":6,"wins":3,"losses":3,"pushes":0,"average_forecast_probability":0.5,"observed_win_rate":0.5,"brier_score":0.315655,"average_clv_pct":0,"clv_observations":6,"hypothetical_flat_roi":0.147063},{"sport":"soccer","league":"epl","market":"h2h_3way","model_version":"EV-8.2-SHARP","freeze_window":"t60","frozen_observations":3,"settled_observations":3,"wins":1,"losses":2,"pushes":0,"average_forecast_probability":0.333333,"observed_win_rate":0.333333,"brier_score":0.07101,"average_clv_pct":0,"clv_observations":3,"hypothetical_flat_roi":-0.495726},{"sport":"soccer","league":"serie_a","market":"h2h_3way","model_version":"EV-8.2-SHARP","freeze_window":"t60","frozen_observations":3,"settled_observations":3,"wins":1,"losses":2,"pushes":0,"average_forecast_probability":0.333334,"observed_win_rate":0.333333,"brier_score":0.117402,"average_clv_pct":0,"clv_observations":3,"hypothetical_flat_roi":-0.363636}]}