Unit: dollars/ ton
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LME Out Price   LME Spot Price/b/c in 3-month
Lead  1135.0/1141.0         -19        c
Zinc  1262.0/1264.0         -26        c
Tin 11025.0/11250.0         60        b
Nickel 10750.0/10850.0         -5        c
Copper  3280.3/3285.0         -41        c
Aluminium  1486.0/1492.0       -32.5        c
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c for contango£¬b for backwardation