Over 2018 to 2025 (8 years of data), 0939HKHKD has tended to move short between 22.08 and 03.09, closing higher in 85.7% of those years for an average +1.55% move and an annualized Sharpe of 1.61.
| Window | Dir | Win rate | Avg return | Sharpe | Years |
|---|---|---|---|---|---|
| 22.08 → 03.09 | Short | 85.7% | +1.55% | 1.61 | 7 |
| 19.08 → 22.08 | Long | 85.7% | +0.74% | 5.33 | 7 |
| 17.08 → 03.09 | Short | 75.0% | +1.56% | 1.61 | 8 |
| 17.08 → 18.09 | Short | 75.0% | +1.52% | 0.93 | 8 |
| 17.08 → 23.09 | Short | 75.0% | +1.52% | 0.74 | 8 |
| 18.08 → 03.09 | Short | 75.0% | +1.52% | 1.53 | 8 |
| 16.08 → 18.09 | Short | 75.0% | +1.49% | 0.98 | 8 |
| 17.08 → 20.09 | Short | 75.0% | +1.49% | 0.78 | 8 |