Unit: dollars/ ton
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 LME Out Price   LME Spot Price/b/c in 3-month
Copper   6585.0/6590.0          -24     c
Aluminium  1965.0/1966.0          -35     c
Lead  2405.0/2410.0          -25     c
Zinc  2250.0/2251.0          -24     c
Tin 15000.0/15040.0         325     b
Nickel 19150.0/19155.0         -50     c
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c for contango£¬b for backwardation