Unit: dollars/ ton
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    LME Out Price   LME Spot Price/b/c in 3-month
Copper  6415.0/6416.0      -16.5         c
Aluminium  1889.0/1890.0      -30.5         c
Lead  2405.0/2406.0        -16         c
Zinc  1980.0/1981.0        -25         c
Tin 14700.0/14800.0       530         b
Nickel 17945.0/17950.0       -75         c
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c for contango£¬b for backwardation