Unit: dollars/ ton
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LME Out Price   LME Spot Price/b/c in 3-month

Copper  4640.0/4645.8       -22.5       c
Aluminium  1454.0/1455.8       -35.5       c
Lead  1435.0/1440.0        -1.5       c
Zinc  1498.0/1499.0         -20       c
Tin 13700.0/13798.0        250       b
Nickel 13350.0/13400.0          0       -
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c for contango£¬b for backwardation