Copper 6475/6485 c 12/8 c
Tin 14800/14950 b 598/648 b
Lead 2455/2465 c 18/14 c
Zinc 1970/1980 c 24/19.8 c
Aluminium 1892/1902 c 34/30 c
Nickel 17930/18030 c 42/8 b
c for contango,b for backwardation