LME 3-month Futures    LME Spot/3-month B/C
Copper  3202/3212      c   42.5/37.5   c
Tin 11400/11600     b    220/240    b
Lead  1102/1112      b     10/14     b
Zinc  1285/1295      c     30/24.3   c
Aluminium  1555/1565      c     35/33     c
Nickel 12650/12850     c     113/83    c

c for contango£¬b for backwardation