Unit: dollars/ ton
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     LME Out Price   LME Spot Price/b/c in 3-month
Copper   5605.0/5615.0           2       b
Aluminium   1870.0/1880.0       -26.5       c
Lead   1811.0/1821.0         -20       c
Zinc  1700.0/1710.0         -26       c
Tin  14415.0/14565.0        230       b
Nickel 17055.0/17155.0        -60       c
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c for contango£¬b for backwardation