Unit: dollars/ ton
----------------------------------------------------------
LME Out Price   LME Spot Price/b/c in 3-month
Copper  3230.0/3231.0         -33        c
Aluminium  1287.5/1288.5         -36        c
Lead  1020.0/1023.0         -12        c
Zinc  1096.0/1098.0         -27        c
Tin 10400.0/10405.0        250        b
Nickel  9505.0/9510.0         -80        c
------------------------------------------
c for contango£¬b for backwardation