Unit: dollars/ ton
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    LME Out Price   LME Spot Price/b/c in 3-month
Copper    6173.0/6175.0         -7      c
Aluminium  1845.0/1846.0        -28      c
Lead  2115.0/2120.0        -20      c
Zinc  1829.0/1830.0      -17.5      c
Tin 13950.0/14123.0       275      b
Nickel 18095.0/18105.0       145      b
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c for contango£¬b for backwardation