Copper 4455/4465 c 6/2 c
Tin 13600/13700 b 250/300 b
Lead 1435/1445 c 8/4 c
Zinc 1495/1505 c 29/25 c
Aluminium 1530/1540 c 38/34 c
Nickel 12475/12575 c 104/54 c
c for contango,b for backwardation