| 日期 | | | 价差 |
|---|
| 09-17 | ￥21120 | ￥20880 | 240 |
| 09-16 | ￥21160 | ￥20960 | 200 |
| 09-15 | ￥21180 | ￥20950 | 230 |
| 09-12 | ￥21240 | ￥21030 | 210 |
| 09-11 | ￥21090 | ￥20870 | 220 |
| 09-10 | ￥20980 | ￥20760 | 220 |
| 09-09 | ￥21000 | ￥20760 | 240 |
| 09-08 | ￥20910 | ￥20670 | 240 |
| 09-05 | ￥20880 | ￥20630 | 250 |
| 09-04 | ￥20840 | ￥20620 | 220 |
| 09-03 | ￥20960 | ￥20720 | 240 |
| 09-02 | ￥20940 | ￥20690 | 250 |
| 09-01 | ￥20860 | ￥20620 | 240 |
| 08-29 | ￥20970 | ￥20740 | 230 |
| 08-28 | ￥20970 | ￥20740 | 230 |
| 08-27 | ￥21080 | ￥20820 | 260 |
| 08-26 | ￥21020 | ￥20790 | 230 |
| 08-25 | ￥21020 | ￥20770 | 250 |
| 08-22 | ￥20950 | ￥20720 | 230 |
| 08-21 | ￥20930 | ￥20670 | 260 |
| 08-20 | ￥20780 | ￥20510 | 270 |
| 08-19 | ￥20840 | ￥20580 | 260 |