| 评估日期 | 买入价 | 卖出价 |
| 2011.08.19 | 8.567302 | 8.399316 |
| 2011.08.18 | 8.596158 | 8.427606 |
| 2011.08.17 | 8.63543 | 8.466108 |
| 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 |