Unit: dollars/ ton
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LME Out Price   LME Spot Price/b/c in 3-month
Copper  4300.0/4301.0        -27.5        c
Aluminium  1481.0/1482.0        -36.5        c
Lead  1314.0/1315.0           -7        c
Zinc  1365.0/1370.0          -28        c
Tin 11080.0/11085.0         245        b
Nickel 10930.0/10935.0         -90        c
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c for contango£¬b for backwardation