

Over 2018 to 2025 (8 years of data), 0998HKHKD has tended to move long between 25.08 and 24.10, closing higher in 75.0% of those years for an average +2.70% move and an annualized Sharpe of 0.98.
| Window | Dir | Win rate | Avg return | Sharpe | Years |
|---|---|---|---|---|---|
| 25.08 → 24.10 | Long | 75.0% | +2.70% | 0.98 | 8 |
| 24.08 → 23.10 | Long | 75.0% | +2.34% | 0.90 | 8 |
| 28.08 → 09.10 | Short | 75.0% | +2.11% | 1.25 | 8 |
| 28.08 → 04.10 | Short | 75.0% | +2.09% | 1.12 | 8 |
| 26.08 → 18.09 | Short | 75.0% | +2.07% | 1.51 | 8 |
| 23.08 → 18.09 | Short | 75.0% | +2.06% | 1.31 | 8 |
| 28.08 → 08.10 | Short | 75.0% | +1.93% | 1.05 | 8 |
| 27.08 → 18.09 | Short | 75.0% | +1.70% | 1.30 | 8 |