September Volume At CBOE Futures Exchange Continues To Grow - Average Daily Volume Increases 154%

The CBOE Futures Exchange, LLC (CFE) announced today that trading volume during September 2007 totaled 84,680 contracts, an increase of 141% over September 2006's volume of 35,125 contracts. September's average daily volume of 4,457 contracts was up 154% from the year-ago average daily volume of 1,756 contracts.

Futures on the CBOE Volatility Index (VIX) monthly volume totaled 76,864 contracts, a 141% rise over the same time period last year with a volume of 31,915 contracts. Average daily volume in VIX futures during September was 4,045 contracts, 154% ahead of last September.

Volume in futures on the CBOE DJIA Volatility Index (ticker DV) totaled 3,420 contracts traded during September, increasing 11% over the year-ago total of 3,070 contracts. Trading activity in CBOE S&P 500 3-Month Variance futures (ticker VT) totaled 1,003 contracts, up 616% over September 2006.

"September's year over year volume and open interest continues to grow," said Andrew Lowenthal, Managing Director, CBOE Futures Exchange. "With these increasing numbers, we are excited about the opportunities for growth on CFE in the fourth quarter and in our suite of versatile volatility products."

Year-to-date, total CFE volume is 746,142 contracts traded for the first nine months of 2007, up 144% from 2006's year-to-date volume of 305,424 contracts. Open interest stood at 80,212 contracts at the end of September, 40% ahead of September 2006.

CFE currently offers futures on seven different contracts, including: the CBOE Volatility Index (VIX), CBOE DJIA Volatility Index (VXD), CBOE NASDAQ-100 Volatility Index (VXN), CBOE Russell 2000 Volatility Index (RVX), CBOE S&P 500 3-Month and 12-Month Variance (VT and VA, respectively), and the CBOE S&P 500 BuyWrite Index (BXM).

CFE, launched in March 2004, is a wholly-owned subsidiary of Chicago Board Options Exchange, Incorporated, offering an all-electronic, open access market model, with traders providing liquidity and making markets. CFE trades are cleared by triple-A rated Options Clearing Corporation (OCC). CBOE Futures Exchange is regulated by the Commodity Futures Trading Commission (CFTC). More information on CFE and its products, including contract specifications, can be found at: www.cboe.com/CFE.