| 评估日期 | 买入价 | 卖出价 |
| 2012.08.08 | 7.017715 | 6.880113 |
| 2012.08.07 | 6.889052 | 6.753972 |
| 2012.08.06 | 6.823076 | 6.68929 |
| 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 |