Unit: dollars/ ton
----------------------------------------------------------
LME Out Price   LME Spot Price/b/c in 3-month
Copper  4455.0/4465.0         -8      c
Aluminium  1530.0/1540.0        -37      c
Lead  1435.0/1445.0         -6      c
Zinc  1490.0/1500.0      -27.5      c
Tin 13650.0/13750.0       235      b
Nickel 12540.0/12640.0       -80      c
-----------------------------------------
c for contango£¬b for backwardation