CBOE Year-To-Date Volume On Pace To Set New All-Time Record

The Chicago Board Options Exchange (CBOE) announced today that October volume totaled 33,357,205 contracts traded, an increase of 17% over the October 2003 volume of 28,635,741 contracts. Through the end of October, CBOE's year-to-date volume of over 295 million contracts traded is up 27% over 2003 and is currently on pace to establish a new all-time annual volume record, surpassing the previous high of 326 million contracts in 2000.

Exchange Volume, October 2004:

Total Volume

33,357,205 contracts
+17% vs year-ago(Oct 03)
+26% vs previous month(Sep 04)

Average Daily Volume

1,588,438 contracts
+28% vs year-ago(Oct 03)
+26% vs previous month(Sep 04)

Open Interest

149,752,827 contracts
+16% vs year-ago(Oct 03)
+5% vs previous month(Sep 04)

Year-To-Date Volume

295,664,928 contracts
+27% vs YTD 2003

October highlights at CBOE included:

During October, volume in index options rose 17% as over 11 million contracts traded, while volume in stock option classes (equities) increased 16% with over 21 million contracts traded.
Options on the S&P 500 Index (SPX) were the most-actively traded index options at CBOE during October as volume totaled 4,485,404 contracts, an increase of 34% over 2003.
The top five stock option classes traded at CBOE during October were: Microsoft Corp. (MSFT), Viacom Inc. (VIAB), Google Inc. (GOOG), Intel Corp. (INTC), and Delta Air Lines, Inc.(DAL).
Total volume and open interest reached new highs during October at the CBOE Futures Exchange, which launched on March 26th.October volume totaled 11,126 contracts.Open interest at month's end stood at 10,988 contracts, up 19% from September.CFE began trading futures on the newly created CBOE China Index (CX) on Monday, October 18, 2004.

CBOE, the world's largest options marketplace and the creator of listed options, is regulated by the Securities and Exchange Commission (SEC).For additional information about the CBOE and its products, visit the CBOE website at: http://www.cboe.com/.