| 评估日期 | 买入价 | 卖出价 |
| 2011.08.16 | 8.550576 | 8.382918 |
| 2011.08.15 | 8.502388 | 8.335674 |
| 2011.08.12 | 8.432123 | 8.266787 |
| 2011.08.11 | 8.364425 | 8.200417 |
| 2011.08.10 | 8.357221 | 8.193354 |
| 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 |