docs: 註記興櫃自營商分點 price=0 屬正常現象#13
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TaiwanStockTradingDailyReport：興櫃股票（TaiwanStockInfo type=emerging） 的推薦證券商兼造市（自營商，securities_trader_id 結尾為 T）雙向報價橫跨 多價位、無單一成交均價，故該分點列 price 顯示為 0，buy/sell 股數仍正確。 非資料缺失；上市櫃各分點皆有正常成交價。補充地端回測避免除以零的過濾建議 （price>0 或排除結尾 T 的分點列）。 避免使用者／MCP 對「分點價格 0.0」重複提問。 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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背景
使用者回報 2026-06-30 多檔股票（7824、7801、7798 等）分點成交價為 0.0，疑似資料庫異常。經 API 核對為誤報：這些皆為興櫃股票，price=0 僅出現在自營商（造市商）分點列，屬正常機制。
修改
knowledge/datasets.md的TaiwanStockTradingDailyReport補一則說明：TaiwanStockInfotype=emerging）推薦證券商兼造市（自營商，securities_trader_id結尾為T）雙向報價橫跨多價位、無單一成交均價，故該分點列price=0，buy/sell股數仍正確。目的
讓 MCP／Custom GPT 面對「分點價格 0.0」提問時能直接正確回答，避免重複人工客服。
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