| 评估日期 | 买入价 | 卖出价 |
| 2011.04.08 | 9.147994 | 8.968622 |
| 2011.04.07 | 9.152569 | 8.973107 |
| 2011.04.06 | 9.074984 | 8.897043 |
| 2011.04.01 | 9.129221 | 8.950216 |
| 2011.03.31 | 9.115742 | 8.937002 |
| 2011.03.30 | 9.231318 | 9.050312 |
| 2011.03.29 | 9.286235 | 9.104152 |
| 2011.03.28 | 9.222399 | 9.041567 |
| 2011.03.25 | 9.249101 | 9.067746 |
| 2011.03.24 | 9.193622 | 9.013355 |