| 评估日期 | 买入价 | 卖出价 |
| 2010.07.20 | 7.544933 | 7.396993 |
| 2010.07.19 | 7.534311 | 7.386579 |
| 2010.07.16 | 7.647133 | 7.49719 |
| 2010.07.15 | 7.612004 | 7.462749 |
| 2010.07.14 | 7.689492 | 7.538718 |
| 2010.07.13 | 7.637657 | 7.487899 |
| 2010.07.12 | 7.482406 | 7.335692 |
| 2010.07.09 | 7.492615 | 7.345701 |
| 2010.07.08 | 7.439243 | 7.293375 |
| 2010.07.07 | 7.332245 | 7.188476 |