以下为伦敦金属交易所(LME)11月20日基金属库存变化情况（单位：吨）
                                                          
                                                       金属     库存          增减      变动
                                                       铜      241,400      -6,300    -2.54%
                                                       铝      1,150,875    -6,925    -0.60%
                                                       锌      225,250      -1,525    -0.67%
                                                       镍      379,890      -1,368    -0.36%
                                                       铅      145,800      -75       -0.05%
                                                       锡      2,220        75        3.50%
                                                       铝合金   12,120       0         0.00%