Unit: dollars/ ton
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LME Out Price LME Spot Price/b/c in 3-month
Copper 6895.0/6895.0 40 b
Lead 1805.0/1800.0 0
Zinc 1750.0/1745.0 -20 c
Aluminium 2647.0/2647.0 -50 c
Nickel 18600/48550 -65 c
Tin 18500.0/18350.0 -50 c
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c for contango，b for backwardation