| 评估日期 | 买入价 | 卖出价 |
| 2011.05.31 | 8.540718 | 8.373253 |
| 2011.05.30 | 8.620682 | 8.451649 |
| 2011.05.27 | 8.687521 | 8.517178 |
| 2011.05.26 | 8.762552 | 8.590737 |
| 2011.05.25 | 8.749625 | 8.578064 |
| 2011.05.24 | 8.957001 | 8.781374 |
| 2011.05.23 | 8.963554 | 8.787798 |
| 2011.05.20 | 9.017681 | 8.840863 |
| 2011.05.19 | 8.962262 | 8.786532 |
| 2011.05.18 | 8.969341 | 8.793472 |