| 评估日期 | 买入价 | 卖出价 |
| 2012.05.10 | 7.710803 | 7.559611 |
| 2012.05.09 | 7.725388 | 7.573909 |
| 2012.05.08 | 7.757608 | 7.605498 |
| 2012.05.07 | 7.742254 | 7.590445 |
| 2012.05.04 | 7.759001 | 7.606864 |
| 2012.05.03 | 7.660957 | 7.510742 |
| 2012.05.02 | 7.703137 | 7.552095 |
| 2012.04.27 | 7.673777 | 7.523311 |
| 2012.04.26 | 7.611736 | 7.462486 |
| 2012.04.25 | 7.621033 | 7.471601 |