Unit: dollars/ ton
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LME Out Price   LME Spot Price/b/c in 3-month
Copper 6220.0/6221.0 -19 c
Aluminium 1900.0/1905.0 -42 c
Lead 2184.5/2185.5 -20 c
Zinc 2034.0/2035.0 -22.5 c
Tin 14250.0/14300.0 400 b
Nickel 18540.0/18550.0 -75 c
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c for contango£¬b for backwardation