823 B
823 B
短窗口 vs 原窗口 验证(龙头×超跌)
A原: bias20<0 + 距60日高点<-10% + ret20<0
B短: bias5<0 + 距20日高点<-10% + ret5<0
整体 fwd20/fwd40
| 组 | 样本 | fwd20 | fwd40 | 胜率(fwd40) |
|---|---|---|---|---|
| A原(20/60/20) | 988516 | 3.5% | 7.0% | 50% |
| B短(5/20/5) | 584809 | 7.0% | 12.6% | 50% |
分年 fwd40
| 年份 | A原 | B短 |
|---|---|---|
| 2016 | 3.0% | 4.5% |
| 2017 | -1.6% | -1.6% |
| 2018 | -2.9% | -1.8% |
| 2019 | 5.3% | 3.9% |
| 2020 | 3.8% | 3.6% |
| 2021 | 4.3% | 3.7% |
| 2022 | 1.1% | 1.2% |
| 2023 | -2.4% | -2.6% |
| 2024 | 15.2% | 20.0% |
| 2025 | 37.8% | 71.1% |
| 2026 | 25.2% | 54.4% |
交集分析
| 组 | 样本 | fwd40 |
|---|---|---|
| A且B | 457881 | 11.4% |
| 仅B(短独有) | 126928 | 17.1% |
| 仅A(原独有) | 530635 | 3.2% |