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README_ZH.md
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> **Languages:** [简体中文](README_ZH.md) · [English](README.md)
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# dojo_sector_precomputed — 板块预计算数据
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## 概述
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由 taxonomy、映射、行情与个股 K 线**离线衍生**的板块分析数据:L3 成分快照、市值加权板块日度指数、成分股日度收益。
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## 文件
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| 文件 | 说明 |
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|------|------|
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| `manifest.json` | 生成元数据:版本、时间窗口、行数、各市场最新交易日 |
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| `constituents.parquet` | L3 成分股快照(市值、PE) |
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| `sector_daily.parquet` | 板块日度指数与指标(L1/L2/L3) |
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| `ticker_daily.parquet` | 成分股日度收盘价与收益 |
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## 关键字段
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### manifest.json
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| 字段 | 说明 |
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|------|------|
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| `version` | Schema 版本(当前 `2`) |
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| `generated_at` | UTC 生成时间 |
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| `window_start` | 统计窗口起始(默认 `2025-01-01`) |
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| `latest_trade_date_by_market` | 各市场最新交易日 |
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| `constituent_count` / `sector_daily_rows` / `ticker_daily_rows` | 行数摘要 |
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### constituents.parquet
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| 字段 | 说明 |
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|------|------|
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| `level1_id` / `level2_id` / `level3_id` | 板块路径 ID |
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| `market` | `us` / `cn` / `hk` |
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| `ticker` | 成分股代码 |
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| `role` | `primary` / `secondary` |
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| `market_cap` | 快照市值 |
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| `weighted_pe` | 个股 PE(用于板块加权) |
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### sector_daily.parquet
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| 字段 | 说明 |
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|------|------|
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| `trade_date` | 交易日 |
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| `scope` | 聚合层级:`L1` / `L2` / `L3` |
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| `market` | 市场 |
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| `level1_id` / `level2_id` / `level3_id` | 板块 ID |
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| `member_count` | 成分股数量 |
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| `total_market_cap` | 成分总市值 |
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| `weighted_pe` | 市值加权 PE |
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| `index_level` | 市值加权指数点位(基日 = 100) |
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| `daily_return_pct` | 板块日涨跌幅(%) |
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### ticker_daily.parquet
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| 字段 | 说明 |
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|------|------|
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| `ticker` | 股票代码 |
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| `trade_date` | 交易日 |
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| `close` | 收盘价 |
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| `daily_return_pct` | 日涨跌幅(%) |
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| `cumulative_return_pct` | 自 `window_start` 起累计涨跌幅(%) |
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## 数据规模(参考)
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见 `manifest.json`。典型规模:constituents ~2 万行,sector_daily ~18 万行,ticker_daily ~460 万行。
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## 指数计算方法
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- 成分股按**市值加权**计算日收益,指数基日点位 = 100。
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- 成分股需在 [dojo_stock_kline](https://huggingface.co/datasets/AlphaDojo/dojo_stock_kline) 有有效日 K,并从 [dojo_quote](https://huggingface.co/datasets/AlphaDojo/dojo_quote) 取正市值。
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## 输入数据集
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- [dojo_sector_info](https://huggingface.co/datasets/AlphaDojo/dojo_sector_info)
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- [dojo_sector_symbol_relations](https://huggingface.co/datasets/AlphaDojo/dojo_sector_symbol_relations)
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- [dojo_stock_kline](https://huggingface.co/datasets/AlphaDojo/dojo_stock_kline)
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- [dojo_quote](https://huggingface.co/datasets/AlphaDojo/dojo_quote)
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