CBOE Market Summary for Monday, November 28, 2011

Ratios
Total Put/Call Ratio			0.89
Index Put/Call Ratio			1.17
Equity Put/Call Ratio			0.65
CBOE Volatility Index (VIX) Put/Call Ratio			0.32

Sum of All Products
	Call	Put	Total
Volume	1,598,160	1,423,630	3,021,790
Open Interest	162,092,177	148,993,348	311,085,525

CBOE Volatility Index Options - (VIX)
	Call	Put	Total
Volume	139,142	44,621	183,763
Open Interest	2,005,926	1,690,982	3,696,908
	High	Low	Close	Change
Level	33.11	29.47	32.13	-2.34

S&P 500 Index - (SPX)
	Call	Put	Total
Volume	144,260	390,236	534,496
Open Interest	5,888,619	9,462,169	15,350,788
	High	Low	Close	Change
Level	1,197.35	1,158.67	1,192.55	33.88

Dow Jones Industrial Average Index - (DJX)
	Call	Put	Total
Volume	3,151	1,937	5,088
Open Interest	191,534	147,338	338,872
	High	Low	Close	Change
Level	115.62	112.32	115.23	2.91

Russell 2000 Index - (RUT)
	Call	Put	Total
Volume	12,822	15,856	28,678
Open Interest	283,453	406,438	689,891
	High	Low	Close	Change
Level	698.18	677.82	697.90	31.74