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

Copper  4819.0/4820.0          0
Aluminium 1515.0/1516.0        -36     c
Lead 1549.0/1550.0          1     b

Zinc 1497.0/1499.0        -30     c
Tin 11550.0/11600.0        90     b
Nickel 12450.0/12500.0       -90     c
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c for contango£¬b for backwardation