LME 3-month Futures    LME Spot/3-month B/C

          ¡¡Copper  6440/6450     c     1/5     b

           Tin 15025/15175     b     443/493     b

            Lead  1935/1945     c     20/16     c

            Zinc 1915/1925     c     28/24     c

            Aluminium  2065/2075     c     34.2/32.3     c

             Nickel 20780/20880     c     90/60     c

c for contango£¬b for backwardation