| 评估日期 | 买入价 | 卖出价 |
| 2012.05.15 | 7.642627 | 7.492771 |
| 2012.05.14 | 7.663646 | 7.513378 |
| 2012.05.11 | 7.654244 | 7.504161 |
| 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 |