| 评估日期 | 买入价 | 卖出价 |
| 2010.05.20 | 7.87512 | 7.720706 |
| 2010.05.19 | 7.792787 | 7.639987 |
| 2010.05.18 | 8.05118 | 7.893314 |
| 2010.05.17 | 8.047034 | 7.889249 |
| 2010.05.14 | 7.873973 | 7.719582 |
| 2010.05.13 | 7.931242 | 7.775728 |
| 2010.05.12 | 8.038241 | 7.880628 |
| 2010.05.11 | 8.094875 | 7.936152 |
| 2010.05.10 | 8.192802 | 8.032159 |
| 2010.05.07 | 8.357075 | 8.193211 |