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

Copper  5186.5/5190.0         -10        c
Aluminium  1640.0/1647.0         -30        c
Lead  1751.8/1767.5         -20        c
Zinc  1665.0/1667.0         -30        c
Tin 15500.0/15675.0         95        b
Nickel 15425.0/15470.0        -25        c
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c for contango£¬b for backwardation