docs: TaiwanStockActiveETFHoldingChange 主動式ETF每日持股異動（買賣）#155
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由 TaiwanStockActiveETFHolding 衍生的買賣資料集：相鄰交易日成份股持股股數 相減，得每檔主動式ETF當日買/賣了哪些成份股。sponsor 資料集文件，stack 在 TaiwanStockActiveETFHolding (PR #154) 之上。 - Chip.md / Chip.en.md：TOC 條目 + 新增章節（說明 + Package/Python/R 範例 + Schema）。欄位 date, stock_id (ETF), component_stock_id, component_stock_name, action (buy/sell), shares_change（前一有資料日 shares 差，buy 正 sell 負）。 備註申購/贖回會等比例變動成份股股數並計入 shares_change，故 shares_change 為 持股股數變化，不等於經理人主動買賣純額。 - DataList.md/.en.md：新增條目 + 總數 84 -> 85 - WhatIsNew.md/.en.md：2026-07-11 資料區間 2025-05-05 ~ now - llms.txt + llms-full.txt：Chip 分類補列 + 完整 dataset 區塊 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…change -> buy/sell 依老闆指示，將欄位由 action (buy/sell) + shares_change 改為兩欄 buy / sell， 與既有 TaiwanStockInstitutionalInvestorsBuySell 資料集的買賣用語對齊： - buy：當日買進股數（成份股股數增加量，未買則 0） - sell：當日賣出股數（成份股股數減少量、取正值，未賣則 0） 兩者皆為整數（股數無小數點），每列僅其一非 0。 - Chip.md / Chip.en.md：更新說明條列、DataFrame 範例（改為 buy/sell 兩欄、 每列僅其一非 0）、Schema（buy: int / sell: int），並保留申購/贖回 caveat （改述 buy/sell 為持股股數變化，不等於經理人主動買賣純額） - llms-full.txt：更新 Columns 說明為 buy/sell、標註每列僅其一非 0，caveat 同步 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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已合併進單一 PR #157（主動式ETF 三資料集文件合併）。關閉此 PR。 |
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摘要
新增 sponsor 資料集文件 TaiwanStockActiveETFHoldingChange 主動式ETF每日持股異動（買賣）。
此資料集由
TaiwanStockActiveETFHolding（主動式ETF每日持股明細）衍生：相鄰交易日的成份股持股股數相減，得每檔主動式ETF當日買/賣了哪些成份股。date日期stock_idETF代號component_stock_id成份標的代號component_stock_name成份標的名稱action買賣別（buy/sell）shares_change股數變化（與前一有資料日shares差，buy正、sell負）shares_change，故shares_change為「持股股數變化」，不等於「經理人主動買賣純額」。變更檔案
Chip.md/Chip.en.md：TOC 條目 + 新章節（說明 + Package/Python/R 範例 + Schema）DataList.md/.en.md：新增條目 + 總數 84 → 85WhatIsNew.md/.en.md：2026-07-11 條目llms.txt+llms-full.txt：Chip 分類補列 + 完整 dataset 區塊Stacking
本 PR stack 在 Holding PR #154 之上（base =
feature/taiwan-stock-active-etf-holding），故 diff 僅顯示 Change 的新增、DataList 計數承接 Holding。待 #154 merge 後，請將本 PR 的 base 改回master。DO NOT MERGE（等 #154 先 merge）。
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