| 评估日期 | 买入价 | 卖出价 |
| 2019.07.31 | 8.100617 | 7.941782 |
| 2019.07.30 | 8.113871 | 7.954775 |
| 2019.07.29 | 8.102553 | 7.94368 |
| 2019.07.26 | 8.05262 | 7.894726 |
| 2019.07.25 | 8.015905 | 7.858731 |
| 2019.07.24 | 8.002923 | 7.846003 |
| 2019.07.23 | 8.014305 | 7.857162 |
| 2019.07.22 | 7.953809 | 7.797852 |
| 2019.07.19 | 7.973785 | 7.817437 |
| 2019.07.18 | 7.983799 | 7.827254 |