LME 3-month Futures    LME Spot/3-month B/C
Copper  3260/3280       c    24/19    c
Tin 11500/11900      b   140/160   b
Lead  971/981         c    16/11.5  c
Zinc 1125/1135       b   7.5/13.5  b
Aluminium  1565/1575       c  47.5/45.5  c
Nickel 9100/9300        c   138/108   c

c for contango£¬b for backwardation