| 评估日期 | 买入价 | 卖出价 | 
| 2013.05.03 | 7.701896 | 7.550879 | 
| 2013.05.02 | 7.72111 | 7.569715 | 
| 2013.04.26 | 7.739267 | 7.587517 | 
| 2013.04.25 | 7.708726 | 7.557574 | 
| 2013.04.24 | 7.763628 | 7.6114 | 
| 2013.04.23 | 7.796094 | 7.643229 | 
| 2013.04.22 | 7.758377 | 7.606252 | 
| 2013.04.19 | 7.727882 | 7.576355 | 
| 2013.04.18 | 7.729217 | 7.577664 | 
| 2013.04.17 | 7.699293 | 7.548326 |