| 评估日期 | 买入价 | 卖出价 |
| 2012.05.31 | 7.721965 | 7.570554 |
| 2012.05.30 | 7.646624 | 7.49669 |
| 2012.05.29 | 7.541527 | 7.393654 |
| 2012.05.28 | 7.600673 | 7.45164 |
| 2012.05.25 | 7.653599 | 7.503529 |
| 2012.05.24 | 7.689403 | 7.53863 |
| 2012.05.23 | 7.615944 | 7.466612 |
| 2012.05.22 | 7.588112 | 7.439326 |
| 2012.05.21 | 7.636437 | 7.486703 |
| 2012.05.18 | 7.578219 | 7.429627 |