Unit: dollars/ ton
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    LME Out Price   LME Spot Price/b/c in 3-month
Copper   7039.0/7040.0          -42         c
Aluminium  2275.0/2276.0          -36         c
Lead 2410.0/2411.0          -32         c
Zinc  2433.0/2434.0          -36         c
Tin 15475.0/15480.0       -1055         c
Nickel 17475.0/17500.0         -65         c
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c for contango£¬b for backwardation