Unit: dollars/ ton
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    LME Out Price   LME Spot Price/b/c in 3-month
Copper  6913.0/6914.0          -40         c
Aluminium  2257.0/2258.0          -36         c
Lead  2339.5/2340.0          -35         c
Zinc   2334.0/2335.0          -35         c
Tin 15300.0/15350.0         -50         c
Nickel 16900.0/16925.0         -70         c
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c for contango£¬b for backwardation