| 评估日期 | 买入价 | 卖出价 |
| 2011.02.23 | 9.504086 | 9.317731 |
| 2011.02.22 | 9.412646 | 9.228084 |
| 2011.02.21 | 9.51543 | 9.328853 |
| 2011.02.18 | 9.454476 | 9.269094 |
| 2011.02.17 | 9.412546 | 9.227986 |
| 2011.02.16 | 9.453053 | 9.267699 |
| 2011.02.15 | 9.337126 | 9.154046 |
| 2011.02.14 | 9.293269 | 9.111048 |
| 2011.02.11 | 9.190715 | 9.010505 |
| 2011.02.10 | 9.208033 | 9.027483 |