| 评估日期 | 买入价 | 卖出价 |
| 2011.08.02 | 8.627424 | 8.458259 |
| 2011.08.01 | 8.661194 | 8.491366 |
| 2011.07.29 | 8.687664 | 8.517317 |
| 2011.07.28 | 8.632083 | 8.462826 |
| 2011.07.27 | 8.640133 | 8.470718 |
| 2011.07.26 | 8.840389 | 8.667048 |
| 2011.07.25 | 8.802582 | 8.629982 |
| 2011.07.22 | 8.873031 | 8.69905 |
| 2011.07.21 | 8.884158 | 8.709958 |
| 2011.07.20 | 9.093813 | 8.915503 |