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

Copper  4516.0/4526.0          12      b
Aluminium  1464.0/1474.0         -37      c
Lead  1465.0/1475.0           7      b
Zinc  1460.0/1470.0         -26      c
Tin 12125.0/12225.0        275      b
Nickel 11450.0/11550.0        -65      c
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c for contango£¬b for backwardation