| 评估日期 | 买入价 | 卖出价 |
| 2011.03.02 | 9.555467 | 9.368105 |
| 2011.03.01 | 9.430778 | 9.245861 |
| 2011.02.28 | 9.429961 | 9.24506 |
| 2011.02.25 | 9.415317 | 9.230703 |
| 2011.02.24 | 9.347472 | 9.164188 |
| 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 |