| 评估日期 | 买入价 | 卖出价 |
| 2009.05.11 | 6.588826 | 6.459633 |
| 2009.05.08 | 6.604116 | 6.474624 |
| 2009.05.07 | 6.519229 | 6.391401 |
| 2009.05.06 | 6.47991 | 6.352853 |
| 2009.05.05 | 6.326412 | 6.202364 |
| 2009.05.04 | 6.283458 | 6.160253 |
| 2009.04.30 | 6.128166 | 6.008006 |
| 2009.04.29 | 6.114822 | 5.994923 |
| 2009.04.28 | 6.235477 | 6.113212 |
| 2009.04.27 | 6.243346 | 6.120927 |