LME三个月期货 LME现货/三个月升贴水
铜 7600/7620 b 98/118 b
锡 19900/20100 b 133/153 b
铅 1785/1805 b 5.8/10.8 b
锌 1710/1730 c 15.5/9.5 c
铝 2790/2794 c 55.5/50.5 c
镍 19200/19400 c 83/53 c