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

Copper   5710.0/5720.0          40       b
Aluminium  1890.0/1891.0         -24       c
Lead  1865.0/1875.0       -19.5       c
Zinc  1735.0/1745.0          -5       c
Tin  13725.0/13875.0        345       b
Nickel 17800.0/17900.0       -125       c
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c for contango£¬b for backwardation