| 评估日期 | 买入价 | 卖出价 |
| 2013.03.01 | 7.802435 | 7.649446 |
| 2013.02.28 | 7.676833 | 7.526307 |
| 2013.02.27 | 7.770893 | 7.618522 |
| 2013.02.26 | 7.726952 | 7.575443 |
| 2013.02.25 | 7.744737 | 7.592879 |
| 2013.02.22 | 7.955888 | 7.79989 |
| 2013.02.21 | 7.864431 | 7.710226 |
| 2013.02.20 | 7.959012 | 7.802953 |
| 2013.02.19 | 8.072506 | 7.914221 |
| 2013.02.18 | 8.012585 | 7.855475 |