{"rows": [{"model_version": "v20261026-1415-M1", "n_settled": 1005, "hit_rate": 0.7810945273631841, "pred_up_share": 0.0, "mean_abs_prob_err": "0.48049282587064676617", "mean_brier": "0.23173924378109452736", "mean_actual_ret": "-0.02142117810945273632", "first_day": "2026-10-23", "last_day": "2026-10-23"}, {"model_version": "v20261026-1455-M1FIX", "n_settled": 1005, "hit_rate": 0.32736318407960197, "pred_up_share": 0.7542288557213931, "mean_abs_prob_err": "0.52448129353233830846", "mean_brier": "0.27779133333333333333", "mean_actual_ret": "-0.02142117810945273632", "first_day": "2026-10-23", "last_day": "2026-10-23"}], "note": "hit_rate = (p_up>=0.5 的判定) 与实际 3 日方向一致的比例"}