Unit: dollars/ ton
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LME Out Price   LME Spot Price/b/c in 3-month
Copper  3405.0/3409.0         -22        c
Aluminium  1517.3/1522.0         -44        c
Lead  1181.0/1189.0         -20        c
Zinc  1300.3/1305.0         -29        c
Tin 11650.0/11800.0        100        b
Nickel 11130.0/11200.0        -70        c
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c for contango£¬b for backwardation