| 评估日期 | 买入价 | 卖出价 |
| 2012.07.20 | 7.174356 | 7.033682 |
| 2012.07.19 | 7.101939 | 6.962685 |
| 2012.07.18 | 7.077191 | 6.938423 |
| 2012.07.17 | 7.194239 | 7.053176 |
| 2012.07.16 | 7.243416 | 7.101389 |
| 2012.07.13 | 7.175835 | 7.035132 |
| 2012.07.12 | 7.158384 | 7.018024 |
| 2012.07.11 | 7.178924 | 7.038161 |
| 2012.07.10 | 7.243109 | 7.101087 |
| 2012.07.09 | 7.209335 | 7.067975 |