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

Copper   6135.0/6140.0         5.5      b
Aluminium  1833.0/1834.0         -39      c
Lead  2100.0/2105.0         -35      c
Zinc  1831.0/1832.0         -18      c
Tin 14200.0/14250.0        600      b
Nickel 16635.0/16640.0        -50      c
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c for contango£¬b for backwardation