Unit: dollars/ ton
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LME Out Price   LME Spot Price/b/c in 3-month
Copper  4685.0/4695.0         -10      c
Aluminium  1541.0/1551.0         -36      c
Lead  1455.0/1465.0         -10      c
Zinc  1550.0/1560.0         -27      c
Tin 13950.0/14050.0        210      b
Nickel 13050.0/13150.0        -75      c
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c for contango£¬b for backwardation