Unit: dollars/ ton
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LME Out Price   LME Spot Price/b/c in 3-month
Copper  4035.0/4040.0        -36.5        c
Aluminium  1392.0/1393.0          163        b
Lead  1270.0/1271.0          -14        c
Zinc  1319.0/1320.0          -30        c
Tin 10400.0/10425.0         200        b
Nickel  9850.0/9900.0          -95        c

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c for contango£¬b for backwardation