| 评估日期 | 买入价 | 卖出价 |
| 2011.04.21 | 9.150687 | 8.971262 |
| 2011.04.20 | 9.256094 | 9.074602 |
| 2011.04.19 | 9.285756 | 9.103683 |
| 2011.04.18 | 9.258567 | 9.077026 |
| 2011.04.15 | 9.280148 | 9.098185 |
| 2011.04.14 | 9.195543 | 9.015238 |
| 2011.04.13 | 9.216319 | 9.035607 |
| 2011.04.12 | 9.268149 | 9.086421 |
| 2011.04.11 | 9.193435 | 9.013171 |
| 2011.04.08 | 9.147994 | 8.968622 |