| 日期 | 价格区间 | 均价 | 涨跌 | 涨跌幅（%） |
|---|---|---|---|---|
| 2025-07-31 | 20,600-20,600 | 20,600 | -100 | -0.49% |
| 2025-07-30 | 20,700-20,700 | 20,700 | 60 | 0.29% |
| 2025-07-29 | 20,640-20,640 | 20,640 | -50 | -0.24% |
| 2025-07-28 | 20,690-20,690 | 20,690 | -110 | -0.53% |
| 2025-07-25 | 20,800-20,800 | 20,800 | 60 | 0.29% |
| 2025-07-24 | 20,740-20,740 | 20,740 | -130 | -0.63% |
| 2025-07-23 | 20,870-20,870 | 20,870 | -90 | -0.43% |