| 评估日期 | 买入价 | 卖出价 |
| 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 |
| 2011.05.17 | 8.985753 | 8.809562 |
| 2011.05.16 | 8.927507 | 8.752458 |
| 2011.05.13 | 9.02304 | 8.846118 |
| 2011.05.12 | 9.03438 | 8.857235 |
| 2011.05.11 | 9.000947 | 8.824458 |
| 2011.05.10 | 8.937909 | 8.762656 |