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Description
問題描述
concentration_guard 在 simulation 模式下每 3 分鐘重複觸發賣單,因為 simulation 填單後 positions 表持倉不實際減少,導致下一輪仍偵測到集中度超標(78.5% > 60%),無限循環。
3/25 單日數據:
- 2382 sell orders:95 筆(48 filled / 47 rejected)
- 訂單間隔:每 3 分鐘一筆,從 01:00 到 05:39 UTC
- 訂單拒絕率:50.5%
影響
- 產生大量無效訂單,污染 orders 表
- 執行資源浪費(Shioaji API 呼叫)
- 若切換實盤會造成大量真實交易
修復方案
concentration_guard.py加入 dedup 機制:同一 symbol 60 分鐘內已有 filled/submitted 賣單則跳過- 加入 daily_sell_cap=3 次/symbol/日
ticker_watcher.py呼叫 concentration_guard 前檢查是否已有 pending sell order
新增參數
concentration_guard_dedup_window_min = 60
concentration_guard_daily_sell_cap = 3驗證
- simulation 模式下 2382 不再每 3 分鐘觸發賣單
- 集中度 >60% 時仍正常觸發首次賣單
- daily_sell_cap 計數正確重置
來源:每日策略審核 2026-03-27
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