我觉得大家有更多的理由来做铜期货HG，而不是黄金GC和白银SIH 目前 黄金期货的杠杆是6.7x $GC 白银期货的杠杆是3.4x $SIH 铜期货的杠杆是7.5x $HG 三者的实际波动率一般都是铜<银<金

A fact is that all Gold, Silver and Copper productions are static and even decline in the coming years. People just cannot magically mine more metals like printing more money.