以下为伦敦金属交易所(LME)11月21日基金属库存变化情况（单位：吨）
   
                                                          
                                                       金属     库存          增减      变动
                                                       铜      234,375      -7,025    -2.91%
                                                       铝      1,141,700    -9,175    -0.80%
                                                       锌      224,025      -1,225    -0.54%
                                                       镍      379,278      -612      -0.16%
                                                       铅      146,875      1,075     0.74%
                                                       锡      2,210        -10       -0.45%
                                                       铝合金   12,120       0         持平