| 评估日期 | 买入价 | 卖出价 |
| 2012.05.21 | 7.636437 | 7.486703 |
| 2012.05.18 | 7.578219 | 7.429627 |
| 2012.05.17 | 7.663357 | 7.513095 |
| 2012.05.16 | 7.6053 | 7.456177 |
| 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 |