| 评估日期 | 买入价 | 卖出价 |
| 2018.12.20 | 7.336959 | 7.193097 |
| 2018.12.19 | 7.378346 | 7.233672 |
| 2018.12.18 | 7.401257 | 7.256135 |
| 2018.12.17 | 7.555857 | 7.407703 |
| 2018.12.14 | 7.495999 | 7.349019 |
| 2018.12.13 | 7.494191 | 7.347246 |
| 2018.12.12 | 7.485188 | 7.338419 |
| 2018.12.11 | 7.5142 | 7.366863 |
| 2018.12.10 | 7.605548 | 7.45642 |
| 2018.12.07 | 7.667512 | 7.517169 |