| 日期 | 价格区间 | 均价 | 涨跌 | 涨跌幅（%） |
|---|---|---|---|---|
| 2021-07-23 | 17,600-17,800 | 17,700 | 0 | 0% |
| 2021-07-22 | 17,600-17,800 | 17,700 | -50 | -0.28% |
| 2021-07-21 | 17,650-17,850 | 17,750 | -50 | -0.28% |
| 2021-07-20 | 17,700-17,900 | 17,800 | 0 | 0% |
| 2021-07-19 | 17,700-17,900 | 17,800 | 200 | 1.12% |
| 2021-07-16 | 17,500-17,700 | 17,600 | 300 | 1.7% |
| 2021-07-15 | 17,200-17,400 | 17,300 | 0 | 0% |