Unit: dollars/ ton
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LME Out Price   LME Spot Price/b/c in 3-month
Copper  3250.0/3353.0          -40        c
Aluminium  1457.0/1462.0          -36        c
Lead  1140.0/1150.0         -9.5        c
Zinc  1252.0/1255.0          -33        c
Tin 10775.0/11100.0          50        b
Nickel 10805.0/10945.0         -95        c
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c for contango£¬b for backwardation