Unit: dollars/ ton
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LME Out Price   LME Spot Price/b/c in 3-month
Copper  3580.0/3582.0          -32        c
Aluminium  1340.0/1341.0        -33.5        c
Lead  1235.0/1237.0           -6        c
Zinc  1222.0/1225.0          -25        c
Tin 10395.0/10400.0         300        b
Nickel  9450.0/9455.0          -80        c
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c for contango£¬b for backwardation