| 评估日期 | 买入价 | 卖出价 |
| 2011.08.31 | 8.52341 | 8.356284 |
| 2011.08.30 | 8.620856 | 8.45182 |
| 2011.08.29 | 8.609521 | 8.440706 |
| 2011.08.26 | 8.463343 | 8.297395 |
| 2011.08.25 | 8.441354 | 8.275837 |
| 2011.08.24 | 8.358581 | 8.194688 |
| 2011.08.23 | 8.413067 | 8.248105 |
| 2011.08.22 | 8.47068 | 8.304588 |
| 2011.08.19 | 8.567302 | 8.399316 |
| 2011.08.18 | 8.596158 | 8.427606 |