| 日期 | | | 价差 |
|---|
| 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 |
| 06-05 | ￥20390 | ￥20260 | 130 |
| 06-04 | ￥20420 | ￥20260 | 160 |
| 06-03 | ￥20260 | ￥20130 | 130 |
| 05-30 | ￥20430 | ￥20300 | 130 |
| 05-29 | ￥20490 | ￥20360 | 130 |
| 05-28 | ￥20490 | ￥20360 | 130 |
| 05-27 | ￥20370 | ￥20210 | 160 |
| 05-26 | ￥20510 | ￥20340 | 170 |
| 05-23 | ￥20520 | ￥20350 | 170 |
| 05-22 | ￥20530 | ￥20350 | 180 |
| 05-21 | ￥20480 | ￥20320 | 160 |
| 05-20 | ￥20380 | ￥20220 | 160 |
| 05-19 | ￥20390 | ￥20250 | 140 |
| 05-16 | ￥20410 | ￥20280 | 130 |