| 评估日期 | 买入价 | 卖出价 |
| 2012.05.02 | 7.703137 | 7.552095 |
| 2012.04.27 | 7.673777 | 7.523311 |
| 2012.04.26 | 7.611736 | 7.462486 |
| 2012.04.25 | 7.621033 | 7.471601 |
| 2012.04.24 | 7.669571 | 7.519188 |
| 2012.04.23 | 7.644599 | 7.494705 |
| 2012.04.20 | 7.577267 | 7.428693 |
| 2012.04.19 | 7.449064 | 7.303004 |
| 2012.04.18 | 7.521241 | 7.373766 |
| 2012.04.17 | 7.507053 | 7.359856 |