| 评估日期 | 买入价 | 卖出价 |
| 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 |
| 2010.05.06 | 8.253629 | 8.091793 |
| 2010.05.05 | 8.301102 | 8.138335 |
| 2010.05.04 | 8.323637 | 8.160428 |