Daily Put/Call Volume by Exchange and Product Kind										
Activity Date 7/17/2008										
Exchange	Equity	Volume	P/C ratio	Index	Volume	P/C ratio	Exch. Total / % of Total	OCC Total Volume	Equity Total / Percentage	Index Total / Percentage
CBOE										
	Calls	"3,560,352"		Calls	"942,374"		"8,394,457"	 -	"6,553,440"	"1,841,017"
	Puts	"2,993,088"		Puts	"898,643"		35.96%	 -	30.97%	84.53%
	Total	"6,553,440"	0.84	Total	"1,841,017"	0.95				
										
AMEX										
	Calls	"577,847"		Calls	"22,281"		"1,095,395"	 -	"1,041,277"	"54,118"
	Puts	"463,430"		Puts	"31,837"		4.69%	 -	4.92%	2.48%
	Total	"1,041,277"	0.80	Total	"54,118"	1.43				
										
PHLX										
	Calls	"1,730,944"		Calls	"68,138"		"3,194,691"	 -	"3,083,991"	"110,700"
	Puts	"1,353,047"		Puts	"42,562"		13.69%	 -	14.57%	5.08%
	Total	"3,083,991"	0.78	Total	"110,700"	0.62				
NYSE Arca										
	Calls	"1,267,122"		Calls	"15,222"	0.19	"2,427,586"	 -	"2,427,586"	"18,150"
	Puts	"1,160,464"		Puts	"2,928"		10.40%	 -	11.47%	0.83%
	Total	"2,427,586"	0.92		"18,150"					
										
ISE										
	Calls	"3,446,170"		Calls	"99,498"		"6,845,743"	 -	"6,696,310"	"149,433"
	Puts	"3,250,140"		Puts	"49,935"		29.33%	 -	31.64%	6.86%
	Total	"6,696,310"	0.94	Total	"149,433"	0.50				
										
BOX										
	Calls	"587,700"		Calls	"2,617"		"1,144,499"	 -	"1,140,011"	"4,488"
	Puts	"552,311"		Puts	"1,871"		4.90%	 -	5.39%	0.21%
	Total	"1,140,011"	0.94	Total	"4,488"	0.71				
										
NSDQ										
	Calls	"120,602"		Calls	0	-	"221,019"	 -	"221,019"	0
	Puts	"100,417"		Puts	0		0.95%	 -	1.04%	0.00%
	Total	"221,019"	0.83		0					
										
Total calls		"11,290,737"			"1,150,130"			"12,440,867"		
Total puts		"9,872,897"			"1,027,776"			"10,900,673"		
Equity Volume		"21,163,634"	0.87	Index Volume	"2,177,906"	0.89	Total Volume	"23,341,540"	100.00%	100.00%