{
  "date": "2026-03-15",
  "generated_at": "2026-03-15T14:28:44Z",
  "total_models": 11,
  "total_verified": 564,
  "ranking": [
    {
      "rank": 1,
      "model_id": "D3_volume_spike",
      "win_rate": 70.2,
      "recent_win_rate": 80.0,
      "streak": 9,
      "trend": "improving",
      "total": 47,
      "avg_return": 0.306
    },
    {
      "rank": 2,
      "model_id": "A3_relief_rocket",
      "win_rate": 72.7,
      "recent_win_rate": 72.7,
      "streak": 4,
      "trend": "improving",
      "total": 11,
      "avg_return": 1.206
    },
    {
      "rank": 3,
      "model_id": "B3_action_pre",
      "win_rate": 66.7,
      "recent_win_rate": 66.7,
      "streak": 1,
      "trend": "improving",
      "total": 33,
      "avg_return": 0.199
    },
    {
      "rank": 4,
      "model_id": "B1_triple_signal",
      "win_rate": 64.7,
      "recent_win_rate": 64.7,
      "streak": 1,
      "trend": "declining",
      "total": 17,
      "avg_return": 0.597
    },
    {
      "rank": 5,
      "model_id": "C1_burst_silence",
      "win_rate": 65.3,
      "recent_win_rate": 63.3,
      "streak": -2,
      "trend": "stable",
      "total": 176,
      "avg_return": 0.145
    },
    {
      "rank": 6,
      "model_id": "D2_sig_change",
      "win_rate": 70.0,
      "recent_win_rate": 60.0,
      "streak": 4,
      "trend": "declining",
      "total": 80,
      "avg_return": 0.472
    },
    {
      "rank": 7,
      "model_id": "B2_tariff_to_deal",
      "win_rate": 57.9,
      "recent_win_rate": 57.9,
      "streak": -1,
      "trend": "improving",
      "total": 19,
      "avg_return": 0.721
    },
    {
      "rank": 8,
      "model_id": "A1_tariff_bearish",
      "win_rate": 56.5,
      "recent_win_rate": 56.5,
      "streak": 3,
      "trend": "declining",
      "total": 23,
      "avg_return": -0.758
    },
    {
      "rank": 9,
      "model_id": "C2_brag_top",
      "win_rate": 45.0,
      "recent_win_rate": 50.0,
      "streak": 3,
      "trend": "improving",
      "total": 60,
      "avg_return": 0.105
    },
    {
      "rank": 10,
      "model_id": "A2_deal_bullish",
      "win_rate": 52.2,
      "recent_win_rate": 46.7,
      "streak": -4,
      "trend": "stable",
      "total": 90,
      "avg_return": 0.029
    },
    {
      "rank": 11,
      "model_id": "C3_night_alert",
      "win_rate": 37.5,
      "recent_win_rate": 37.5,
      "streak": -4,
      "trend": "insufficient_data",
      "total": 8,
      "avg_return": -0.414
    }
  ],
  "adjustments": {
    "weights": [
      {
        "date": "2026-03-15",
        "model_id": "A2_deal_bullish",
        "action": "DEMOTE",
        "reason": "連錯 4 次",
        "old_weight": 1.0,
        "new_weight": 0.75,
        "stats_snapshot": {
          "total": 90,
          "win_rate": 52.2,
          "recent_win_rate": 46.7,
          "streak": -4,
          "trend": "stable",
          "avg_return": 0.029
        }
      },
      {
        "date": "2026-03-15",
        "model_id": "B3_action_pre",
        "action": "PROMOTE",
        "reason": "近期命中率 66.7% 優秀",
        "old_weight": 1.0,
        "new_weight": 1.15,
        "stats_snapshot": {
          "total": 33,
          "win_rate": 66.7,
          "recent_win_rate": 66.7,
          "streak": 1,
          "trend": "improving",
          "avg_return": 0.199
        }
      },
      {
        "date": "2026-03-15",
        "model_id": "D3_volume_spike",
        "action": "PROMOTE",
        "reason": "連對 9 次",
        "old_weight": 1.0,
        "new_weight": 1.15,
        "stats_snapshot": {
          "total": 47,
          "win_rate": 70.2,
          "recent_win_rate": 80.0,
          "streak": 9,
          "trend": "improving",
          "avg_return": 0.306
        }
      },
      {
        "date": "2026-03-15",
        "model_id": "D2_sig_change",
        "action": "PROMOTE",
        "reason": "連對 4 次",
        "old_weight": 1.0,
        "new_weight": 1.15,
        "stats_snapshot": {
          "total": 80,
          "win_rate": 70.0,
          "recent_win_rate": 60.0,
          "streak": 4,
          "trend": "declining",
          "avg_return": 0.472
        }
      },
      {
        "date": "2026-03-15",
        "model_id": "A3_relief_rocket",
        "action": "PROMOTE",
        "reason": "連對 4 次",
        "old_weight": 1.0,
        "new_weight": 1.15,
        "stats_snapshot": {
          "total": 11,
          "win_rate": 72.7,
          "recent_win_rate": 72.7,
          "streak": 4,
          "trend": "improving",
          "avg_return": 1.206
        }
      },
      {
        "date": "2026-03-15",
        "model_id": "C3_night_alert",
        "action": "ELIMINATE",
        "reason": "近期命中率 37.5% < 38% 門檻",
        "old_weight": 1.0,
        "new_weight": 0,
        "stats_snapshot": {
          "total": 8,
          "win_rate": 37.5,
          "recent_win_rate": 37.5,
          "streak": -4,
          "trend": "insufficient_data",
          "avg_return": -0.414
        }
      }
    ],
    "signals": [
      {
        "date": "2026-03-15",
        "signal": "ACTION",
        "old_confidence": 0.789,
        "new_confidence": 0.802,
        "hit_rate": 62.6,
        "samples": 423
      },
      {
        "date": "2026-03-15",
        "signal": "RELIEF",
        "old_confidence": 0.85,
        "new_confidence": 0.9,
        "hit_rate": 72.7,
        "samples": 11
      }
    ],
    "summary": {
      "promoted": 4,
      "demoted": 1,
      "eliminated": 1,
      "signal_adjusted": 2
    }
  },
  "summary": {
    "en": "Learning Report — 2026-03-15\nModels: 11 | Verified: 564\nBest: D3_volume_spike (80.0% recent)\nWorst: C3_night_alert (37.5% recent)\nActions: 4 promoted, 1 demoted, 1 eliminated\nSignal adjustments: 2",
    "zh": "學習報告 — 2026-03-15\n模型數: 11 | 已驗證: 564 筆\n最強: D3_volume_spike（近期 80.0%）\n最弱: C3_night_alert（近期 37.5%）\n調整: 4 升級 / 1 降級 / 1 淘汰\n信號信心度調整: 2 項",
    "ja": "学習レポート — 2026-03-15\nモデル数: 11 | 検証済み: 564件\n最強: D3_volume_spike（直近 80.0%）\n最弱: C3_night_alert（直近 37.5%）\n調整: 4昇格 / 1降格 / 1除外\nシグナル信頼度調整: 2件"
  }
}