Unit: dollars/ ton

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  LME Out Price   LME Spot Price/b/c in 3-month

Copper                     20       b
Aluminium 1960.0/1961.0      -36.5       c
Lead 1780.0/1785.0        -15       c
Zinc  1770.0/1771.0        -29       c
Tin 13905.0/13910.0       545       b
Nickel 19100.0/19150.0       -55       c
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c for contango£¬b for backwardation