| 日期 |  |  | 价差 | 
|---|
| 10-30 | ¥21390 | ¥21200 | 190 | 
| 10-29 | ¥21370 | ¥21150 | 220 | 
| 10-28 | ¥21370 | ¥21160 | 210 | 
| 10-27 | ¥21370 | ¥21150 | 220 | 
| 10-24 | ¥21310 | ¥21110 | 200 | 
| 10-23 | ¥21260 | ¥21030 | 230 | 
| 10-22 | ¥21170 | ¥20980 | 190 | 
| 10-21 | ¥21150 | ¥20960 | 190 | 
| 10-20 | ¥21100 | ¥20930 | 170 | 
| 10-17 | ¥21120 | ¥20960 | 160 | 
| 10-16 | ¥21120 | ¥20940 | 180 | 
| 10-15 | ¥21080 | ¥20900 | 180 | 
| 10-14 | ¥21100 | ¥20900 | 200 | 
| 10-13 | ¥21010 | ¥20810 | 200 | 
| 10-10 | ¥21200 | ¥20980 | 220 | 
| 10-09 | ¥21190 | ¥20950 | 240 |