| 评估日期 | 买入价 | 卖出价 |
| 2008.05.15 | 5.979011 | 5.861776 |
| 2008.05.14 | 5.984497 | 5.867154 |
| 2008.05.13 | 5.967911 | 5.850893 |
| 2008.05.12 | 5.957341 | 5.84053 |
| 2008.05.09 | 5.910356 | 5.794467 |
| 2008.05.08 | 5.891005 | 5.775495 |
| 2008.05.07 | 5.914987 | 5.799007 |
| 2008.05.06 | 5.852384 | 5.737631 |
| 2008.05.05 | 5.758914 | 5.645994 |
| 2008.04.30 | 5.741433 | 5.628856 |