Copper 5185/5195 c 23/19 c
Tin 15650/15800 b 67/117 b
Lead 1725/1735 c /23 c
Zinc 1620/1630 c 29/24.8 c
Aluminium 1645/1655 c 30/26 c
Nickel 15025/15125 c 114/64 c
c for contango,b for backwardation