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

Copper 3910.0/3922.0 -25 c 
Lead 1364.0/1421.0 -11 c 
Zinc 1105.0/1135.0 -28 c 
Aluminium 1986.0/1990.0 -56 c 
Nickel 11330.0/11455.0 -165 c 
Tin 14500.0/14580.0 370 b
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c for contango£¬b for backwardation