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

Copper  4530.0/4537.0         -16      c
Aluminium  1521.0/1524.0         -38      c
Lead  1490.0/1500.0         -10      c
Zinc  1520.0/1525.0       -31.5      c
Tin 13550.0/13650.0        240      b
Nickel 12380.0/12415.0        -95      c
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c for contango£¬b for backwardation