Costco Wholesale Corporation (COST)
Last Change % Change Open High Low
58.14  0.62   1.07   58.80   59.00   58.20  

Feb 2010  Mar 2010  Apr 2010  Jul 2010  Jan 2011  Jan 2012  
Call Strike Put
Sym Last Chge Vol Open Int   Sym Last Chge Vol Open Int
COST B 42.5 16.10 0.00 0 42.50 COST N 42.5 0.00 0.00 0
COST B 45 13.60 0.00 0 45.00 COST N 45 0.04 0.00 0
COST B 47.5 11.10 0.00 0 47.50 COST N 47.5 0.03 0.00 0 30 
COST B 50 8.80 0.70 11 128  50.00 COST N 50 0.05 0.00 0 422 
COST B 52.5 6.20 0.10 36,200 2436  52.50 COST N 52.5 0.08 0.00 0 1725 
COST B 55 3.70 0.22 27,047 3049  55.00 COST N 55 0.07 0.10 98 4371 
COST B 57.5 1.35 0.22 163 7500  57.50 COST N 57.5 0.40 0.20 502 12919 
COST B 60 0.20 0.02 189 7507  60.00 COST N 60 1.60 0.30 51 4961 
COST B 62.5 0.02 0.03 5 1585  62.50 COST N 62.5 4.13 0.00 0 1954 
COST B 65 0.05 0.00 0 468  65.00 COST N 65 6.40 0.50 11 164 
COST B 67.5 0.05 0.00 0 91  67.50 COST N 67.5 8.90 1.10 11 67 
COST B 70 0.00 0.00 0 70.00 COST N 70 10.40 0.00 0 46