| 评估日期 | 买入价 | 卖出价 |
| 2012.02.17 | 7.432454 | 7.286719 |
| 2012.02.16 | 7.359287 | 7.214987 |
| 2012.02.15 | 7.362005 | 7.217652 |
| 2012.02.14 | 7.354811 | 7.210599 |
| 2012.02.13 | 7.34182 | 7.197863 |
| 2012.02.10 | 7.353705 | 7.209514 |
| 2012.02.09 | 7.275705 | 7.133044 |
| 2012.02.08 | 7.324034 | 7.180425 |
| 2012.02.07 | 7.329316 | 7.185604 |
| 2012.02.06 | 7.339802 | 7.195884 |