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

Copper  3490.0/3500.0          -30        c
Aluminium  1364.0/1365.0          -34        c
Lead  1043.0/1044.0          -11        c
Zinc  1135.0/1138.0          -23        c
Tin 10950.0/10975.0         215        b
Nickel 10050.0/10055.0         -75        c
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c for contango，b for backwardation