LME 3-month Futures    LME Spot/3-month B/C
Copper  3675/3695  c              61 / 41     c 
   Tin 13000/13200  b              100 /125    b
Lead  1275/1285  c             16   /     c
Zinc  1205/1215  c             17/11     c
Aluminium  1900/1910  c          53/48   c   
Nickel 10500/10700  c         140/    c

c for contango£¬b for backwardation