| 评估日期 | 买入价 | 卖出价 |
| 2012.07.30 | 7.082276 | 6.943407 |
| 2012.07.27 | 7.131393 | 6.991561 |
| 2012.07.26 | 7.150958 | 7.010743 |
| 2012.07.25 | 7.132176 | 6.99233 |
| 2012.07.24 | 7.144965 | 7.004868 |
| 2012.07.23 | 7.187919 | 7.046979 |
| 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 |