| 评估日期 | 买入价 | 卖出价 |
| 2019.02.20 | 7.658817 | 7.508645 |
| 2019.02.19 | 7.543269 | 7.395362 |
| 2019.02.18 | 7.560909 | 7.412656 |
| 2019.02.15 | 7.572115 | 7.423642 |
| 2019.02.14 | 7.522667 | 7.375164 |
| 2019.02.13 | 7.509209 | 7.36197 |
| 2019.02.12 | 7.405511 | 7.260305 |
| 2019.02.11 | 7.268459 | 7.125941 |
| 2019.02.01 | 7.318008 | 7.174517 |
| 2019.01.31 | 7.341745 | 7.197789 |