CBOE Market Summary for Friday, February 03, 2012

Ratios
Total Put/Call Ratio			0.77
Index Put/Call Ratio			1.02
Equity Put/Call Ratio			0.52
CBOE Volatility Index (VIX) Put/Call Ratio			0.43

Sum of All Products
	Call	Put	Total
Volume	3,414,004	2,631,501	6,045,505
Open Interest	118,466,771	108,262,388	226,729,159

CBOE Volatility Index Options - (VIX)
	Call	Put	Total
Volume	433,911	188,092	622,003
Open Interest	3,125,997	1,853,068	4,979,065
	High	Low	Close	Change
Level	17.32	16.10	17.10	-0.88

S&P 500 Index - (SPX)
	Call	Put	Total
Volume	491,489	614,365	1,105,854
Open Interest	4,321,638	7,533,165	11,854,803
	High	Low	Close	Change
Level	1,345.34	1,326.21	1,344.90	19.36

Dow Jones Industrial Average Index - (DJX)
	Call	Put	Total
Volume	956	1,169	2,125
Open Interest	136,605	124,477	261,082
	High	Low	Close	Change
Level	128.70	127.05	128.62	1.57