| 评估日期 | 买入价 | 卖出价 |
| 2012.08.03 | 6.882791 | 6.747835 |
| 2012.08.02 | 6.828535 | 6.694643 |
| 2012.08.01 | 6.979501 | 6.842648 |
| 2012.07.31 | 7.063477 | 6.924977 |
| 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 |