| 评估日期 | 买入价 | 卖出价 |
| 2012.02.23 | 7.478472 | 7.331835 |
| 2012.02.22 | 7.411918 | 7.266586 |
| 2012.02.21 | 7.428541 | 7.282883 |
| 2012.02.20 | 7.441242 | 7.295335 |
| 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 |