feat: quant_engine 独立量化引擎(v1.2.0 重构 bootstrap)
从 research_results 抽出纯回测核心能力,形成独立成员仓。 ## 模块(10 个核心) | 模块 | 内容 | |---|---| | alpha_factors | 158 alpha 公式 + 24 基础算子(移植自 qlib alpha158)+ JSONB 工具 | | execution | 执行仿真(成本/滑点/T+1/涨跌停/部分成交/价差)+ 多日 NAV + PnL 拆解 | | indicators | 50+ 技术指标(MACD/KDJ/布林/ATR/ADX/等) | | data_adapter | 桥接 qtdb_pro 长表与新模块(rename/long-wide/复权/vwap 代理) | | backtest | weight-based 多日仿真 | | metrics / perf_stats | 绩效指标 | | factor_library | 通用方法(turnover/IC/winsorize/OLS) | | portfolio_decomp / risk | 组合分解 + 风险指标 | | logging | 统一 logger(标准库 + 可选 loguru) | ## 设计原则 - 零重型依赖(numpy/pandas/scipy) - mypy strict 0 errors(12 source files) - 394 tests passed(从 research_results 复制 + 适配) - ruff clean ## 与 research_results 的关系 - research_results 通过 re-export wrapper 保持向后兼容(src.shared.X → quant_engine.X) - 47 proj 的 import 路径暂时不变,后续逐步迁移 - 本仓角色:researchhub_workspace 引擎层 Co-Authored-By: Mavis <noreply@mavis.local>
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# quant_engine
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> 量化研究引擎 —— alpha 因子库 + 执行仿真 + 技术指标 + 数据适配 + 回测工具
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**从 `research_results` 抽出的纯回测能力库**(v1.2.0 重构)。
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## 角色
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`quant_engine` 是 researchhub_workspace 的**引擎层**:
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| 仓库 | 角色 |
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|---|---|
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| `quant_engine` | **纯回测核心**(alpha + execution + indicators + data_adapter + backtest + metrics) |
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| `research_results` | 业务集成(47 个 proj 调度 + 注册 + 平台对接) |
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| `tushare2db_pro_aoge` | 数据层(行情 ELT) |
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| `research_platform` | 展示层(FastAPI + Next.js) |
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| `edb_data_core` | 数据层(经济数据) |
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## 模块
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- `alpha_factors` — 158 alpha 公式 + 24 基础算子(移植自 qlib alpha158)
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- `execution` — 执行仿真(成本/滑点/T+1/涨跌停/部分成交/价差)+ 多日 NAV + PnL 拆解(借鉴 hikyuu 部件化思想)
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- `indicators` — 50+ 技术指标(MACD / KDJ / 布林 / ATR / ADX / 等)
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- `data_adapter` — 桥接 qtdb_pro 长表与新模块(rename / long-wide / 复权 / vwap 代理)
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- `backtest` — weight-based 多日仿真(rebalance_table / compute_nav / compare_to_benchmark)
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- `metrics` — 绩效(年化收益 / 波动率 / Sharpe / 最大回撤 / Calmar)
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- `factor_library` — 通用方法(turnover / winsorize / IC / OLS / jb_test)
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- `portfolio_decomp` — 组合分解(risk_parity / mean_variance / 因子归因)
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- `risk` — 风险指标(边际 / 风险贡献)
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- `perf_stats` — 详细绩效(与 metrics 并存)
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- `logging` — 统一 logger(标准库 + 可选 loguru)
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## 依赖
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- 必需:numpy / pandas / scipy(标准量化栈)
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- 可选:loguru(logback,标准库 logging 兜底)
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**零重型依赖** —— 不引入 torch / lightgbm / hikyuu 等。
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## 安装
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```bash
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cd quant_engine
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pip install -e ".[dev]"
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```
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## 测试
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```bash
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pytest # 单元测试
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pytest --cov=src # 覆盖率
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mypy --strict src/ # 类型检查
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ruff check src/ tests/ # lint
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```
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## 使用
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```python
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from quant_engine.alpha_factors import alpha_001, alpha_005, ALPHA158_REGISTRY
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from quant_engine.execution import (
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ExecutionConfig, simulate_with_daily_data, compute_realized_pnl,
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)
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from quant_engine.indicators import macd, bollinger, kdj
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from quant_engine.data_adapter import (
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long_to_wide, wide_to_long, rename_tushare_columns,
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add_vwap_proxy, apply_adj_factor,
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prepare_stock_series, prepare_execution_inputs,
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load_qtdb_daily,
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)
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# 端到端:qtdb_pro 长表 → 适配 → alpha158 → execution
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df = load_qtdb_daily(["000001.SZ"], "2024-01-01", with_adj=True)
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prices, volumes = prepare_execution_inputs(df)
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result = simulate_with_daily_data(prices, initial_cash=1_000_000.0)
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```
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## 与 research_results 的关系
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`research_results` 依赖 `quant_engine`(通过 re-export 保持向后兼容):
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```python
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# research_results/src/shared/alpha_factors.py 现在是:
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from quant_engine.alpha_factors import * # re-export
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```
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47 个 proj 的 import 路径**暂时不变**(`from src.shared.alpha_factors import ...` 仍可用)——后续逐步迁移到 `from quant_engine.alpha_factors import ...`。
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