Commit Graph

3 Commits

Author SHA1 Message Date
19f1c63981 fix(rotation): 修复溢价率计算,改用Flask API真实premium_series数据
- _fetch_api: 提取premium_series并存入df.attrs和CSV缓存
- DataCache: 新增premium_data字典、preload_premium方法
- preload_premium: 无缓存时主动请求API获取全量历史溢价率
- _preload_data: 加载ETF后同步调用preload_premium
- _compute_premium(trade_code, date): 从内存缓存按日期查找真实溢价率
- 新增trade_code_to_group映射,确保BOND资产正确识别

修复前: 溢价率 = (ETF价格 - 指数点位) / 指数点位 → -99.9%
修复后: 使用API返回的(ETF价格 - NAV) / NAV → 合理范围
2026-06-01 23:31:36 +08:00
6d0b928894 fix(rotation): 消除前视偏差 + V2兼容detail导出
时序对齐修复:
- 信号生成改用 T-1 收盘数据(9AM信号时T日未开盘)
- entry_price_etf 改用 T 日 open(实际买入价)
- 年化收益: 52.66% → 25.12%(去除约4倍虚高)

V2兼容detail JSON:
- _generate_signals 返回 (holdings, factors, bond_momentum)
- 6个helper方法: build_meta_codes, get_index/etf_close, daily_returns, premium, day_assets
- 每日11资产×16字段完整记录(momentum/rank/holding_days/cum_return等)
- export_results 同步修复 entry_info 时序逻辑

Backtest (2020-01-10 ~ 2026-06-01, 1545天):
- 总收益 295.14%, 年化 25.12%
- 最大回撤 -14.74%, 夏普 1.33, 卡尔马 1.70
2026-06-01 23:13:43 +08:00
451ffa33d2 clean(rotation): add simple rotation strategy and remove unused files
New:
- rotation/simple_rotation.py: daily-iteration rotation strategy (584 lines)
- rotation/config_loader.py: standalone config loader
- rotation/config_simple.yaml: 11 assets, 7 groups
- rotation/README_SIMPLE.md: usage guide
- scripts/get_trading_calendar.py: trading calendar fetcher

Removed:
- rotation/example_usage.py, run_strategy.py (replaced by simple_rotation.py)
- rotation/results/ output files (gitignored)
- scripts/verify_*.py, calculate_returns_from_detail.py (one-off scripts)
- scripts/README_TRADING_CALENDAR.md

Backtest result (2020-01-10 ~ 2026-06-01):
- Total return: 1237.6%, Annual: 52.66%
- Max drawdown: -11.71%, Sharpe: 2.50
2026-06-01 22:28:26 +08:00