Unit: dollars/ ton
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    LME Out Price   LME Spot Price/b/c in 3-month
Copper  5380.0/5385.0          -11       c
Aluminium  1715.0/1719.0          -27       c
Lead   1675.0/1680.0        -23.5       c
Zinc 1647.0/1652.0        -26.5       c
Tin  13850.0/13875.0         350       b
Nickel 15830.0/15930.0        -100       c
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c for contango£¬b for backwardation