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

Copper  3155.0/3165.0          -35        c
Aluminium  1344.0/1354.0          -33        c
Lead  1114.0/1124.0           -5        c
Zinc  1094.0/1104.0          -20        c
Tin 10700.0/10900.0          50        b
Nickel 11150.0/11350.0         -50        c
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c for contango£¬b for backwardation