| 评估日期 | 买入价 | 卖出价 |
| 2008.02.21 | 6.59612 | 6.466784 |
| 2008.02.20 | 6.499838 | 6.37239 |
| 2008.02.19 | 6.43262 | 6.30649 |
| 2008.02.18 | 6.485729 | 6.358558 |
| 2008.02.15 | 6.445236 | 6.318858 |
| 2008.02.14 | 6.504694 | 6.377151 |
| 2008.02.13 | 6.558026 | 6.429437 |
| 2008.02.05 | 6.192496 | 6.071075 |
| 2008.02.04 | 6.253107 | 6.130497 |
| 2008.02.01 | 6.304207 | 6.180596 |