Copper 6150/6160 c 15/11 c
Tin 13575/13650 b 208/258 b
Lead 2065/2075 c 15/10.5 c
Zinc 1830/1840 c 28/24 c
Aluminium 1845/1855 c 36/32 c
Nickel 17850/17950 b 2/52 b
c for contango,b for backwardation