Unit: dollars/ ton
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     LME Out Price   LME Spot Price/b/c in 3-month
Copper 7040.0/7045.0         -34        c
Aluminium  2147.0/2148.0         -31        c
Lead   2365.0/2366.0         -32        c
Zinc  2367.0/2370.0         -32        c
Tin 15270.0/15275.0        -55        c
Nickel 16000.0/16025.0        -75        c
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c for contango£¬b for backwardation