BOK Financial Corp (BOKF)
Last Change % Change Open High Low
45.57  0.06   0.13   45.93   47.05   45.50  

Feb 2010  Mar 2010  Jun 2010  Sep 2010  
Call Strike Put
Sym Last Chge Vol Open Int   Sym Last Chge Vol Open Int
BOKF B 40 N/A N/A N/A 0  40.00 BOKF N 40 N/A N/A N/A 0 
BOKF B 45 N/A N/A N/A 47  45.00 BOKF N 45 0.75 0.10 10 20 
BOKF B 50 1.05 0.00 0 152  50.00 BOKF N 50 N/A N/A N/A 1 
BOKF B 55 0.00 0.00 0 0  55.00 BOKF N 55 0.00 0.00 0 0