| 评估日期 | 买入价 | 卖出价 |
| 2009.05.21 | 6.706391 | 6.574893 |
| 2009.05.20 | 6.652874 | 6.522426 |
| 2009.05.19 | 6.618869 | 6.489088 |
| 2009.05.18 | 6.598337 | 6.468958 |
| 2009.05.15 | 6.63428 | 6.504196 |
| 2009.05.14 | 6.56797 | 6.439186 |
| 2009.05.13 | 6.498634 | 6.37121 |
| 2009.05.12 | 6.616575 | 6.486839 |
| 2009.05.11 | 6.588826 | 6.459633 |
| 2009.05.08 | 6.604116 | 6.474624 |