| 日期 | | | 价差 |
|---|
| 07-26 | ￥19370 | ￥19210 | 160 |
| 07-25 | ￥19210 | ￥19020 | 190 |
| 07-24 | ￥19390 | ￥19210 | 180 |
| 07-23 | ￥19480 | ￥19290 | 190 |
| 07-22 | ￥19620 | ￥19420 | 200 |
| 07-19 | ￥19650 | ￥19490 | 160 |
| 07-18 | ￥19700 | ￥19580 | 120 |
| 07-17 | ￥19880 | ￥19760 | 120 |
| 07-16 | ￥19880 | ￥19780 | 100 |
| 07-15 | ￥20090 | ￥20030 | 60 |
| 07-12 | ￥20070 | ￥19990 | 80 |
| 07-11 | ￥20290 | ￥20140 | 150 |
| 07-10 | ￥20370 | ￥20210 | 160 |
| 07-09 | ￥20410 | ￥20300 | 110 |
| 07-08 | ￥20320 | ￥20240 | 80 |
| 07-05 | ￥20340 | ￥20260 | 80 |
| 07-04 | ￥20460 | ￥20380 | 80 |
| 07-03 | ￥20400 | ￥20300 | 100 |
| 07-02 | ￥20340 | ￥20220 | 120 |
| 07-01 | ￥20240 | ￥20110 | 130 |
| 06-28 | ￥20250 | ￥20140 | 110 |
| 06-27 | ￥20220 | ￥20120 | 100 |