| 日期 | | | 价差 |
|---|
| 07-04 | ￥20990 | ￥20780 | 210 |
| 07-03 | ￥21070 | ￥20860 | 210 |
| 07-02 | ￥21030 | ￥20800 | 230 |
| 07-01 | ￥20950 | ￥20790 | 160 |
| 06-30 | ￥20950 | ￥20770 | 180 |
| 06-27 | ￥21010 | ￥20880 | 130 |
| 06-26 | ￥20790 | ￥20600 | 190 |
| 06-25 | ￥20700 | ￥20540 | 160 |
| 06-24 | ￥20680 | ￥20550 | 130 |
| 06-23 | ￥20790 | ￥20660 | 130 |
| 06-20 | ￥20850 | ￥20710 | 140 |
| 06-19 | ￥20920 | ￥20780 | 140 |
| 06-18 | ￥21030 | ￥20910 | 120 |
| 06-17 | ￥20720 | ￥20610 | 110 |
| 06-16 | ￥20700 | ￥20620 | 80 |
| 06-13 | ￥20780 | ￥20710 | 70 |
| 06-12 | ￥20760 | ￥20650 | 110 |
| 06-11 | ￥20510 | ￥20390 | 120 |
| 06-10 | ￥20290 | ￥20150 | 140 |
| 06-09 | ￥20360 | ￥20210 | 150 |
| 06-06 | ￥20370 | ￥20220 | 150 |