| 日期 | | | 价差 |
|---|
| 09-30 | ￥20460 | ￥20380 | 80 |
| 09-27 | ￥20410 | ￥20310 | 100 |
| 09-26 | ￥20070 | ￥20000 | 70 |
| 09-25 | ￥20250 | ￥20170 | 80 |
| 09-24 | ￥19960 | ￥19800 | 160 |
| 09-23 | ￥19860 | ￥19700 | 160 |
| 09-20 | ￥20130 | ￥19950 | 180 |
| 09-19 | ￥20010 | ￥19820 | 190 |
| 09-18 | ￥19990 | ￥19780 | 210 |
| 09-13 | ￥19940 | ￥19760 | 180 |
| 09-12 | ￥19790 | ￥19590 | 200 |
| 09-11 | ￥19540 | ￥19350 | 190 |
| 09-10 | ￥19540 | ￥19340 | 200 |
| 09-09 | ￥19330 | ￥19150 | 180 |
| 09-06 | ￥19410 | ￥19220 | 190 |
| 09-05 | ￥19480 | ￥19280 | 200 |
| 09-04 | ￥19500 | ￥19320 | 180 |