| 评估日期 | 买入价 | 卖出价 |
| 2019.02.28 | 7.63466 | 7.484961 |
| 2019.02.27 | 7.633976 | 7.48429 |
| 2019.02.26 | 7.622617 | 7.473154 |
| 2019.02.25 | 7.610821 | 7.461589 |
| 2019.02.22 | 7.610508 | 7.461283 |
| 2019.02.21 | 7.659304 | 7.509121 |
| 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 |