Unit£ºDollars/ton
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Price of LME LME Spot Price/3-month B/C
Copper 8264.0/8270.0 106 b 
Lead 2074.0/2079.0 -18 c
Zinc 2170.0/2172.0 -23 c 
Aluminium 3021.0/3028.0 -43 c 
Nickel 24550/24650 -135 c 
Tin 23800.0/23900.0 -30 c
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c for contango£¬b for backwardation