| 评估日期 | 买入价 | 卖出价 |
| 2011.08.09 | 8.549736 | 8.382094 |
| 2011.08.08 | 8.651671 | 8.482031 |
| 2011.08.05 | 8.628484 | 8.459298 |
| 2011.08.04 | 8.608186 | 8.439398 |
| 2011.08.03 | 8.657066 | 8.48732 |
| 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 |