| 评估日期 | 买入价 | 卖出价 |
| 2013.02.20 | 7.959012 | 7.802953 |
| 2013.02.19 | 8.072506 | 7.914221 |
| 2013.02.18 | 8.012585 | 7.855475 |
| 2013.02.08 | 8.059924 | 7.901887 |
| 2013.02.07 | 8.008318 | 7.851292 |
| 2013.02.06 | 8.054244 | 7.896317 |
| 2013.02.05 | 8.126734 | 7.967386 |
| 2013.02.04 | 7.923775 | 7.768407 |
| 2013.02.01 | 7.912428 | 7.757283 |
| 2013.01.31 | 7.812508 | 7.659321 |