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

Copper  5030.0/5040.0         -15       c
Aluminium  1636.0/1646.0       -29.5       c
Lead  1704.0/1714.0         -22       c
Zinc  1564.0/1574.0         -27       c
Tin 14400.0/14350.0        -85       c
Nickel 16425.0/16525.0         90       b
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c for contango£¬b for backwardation