OneChicago Reaches New Open Interest Record, Already Doubles Annual Volume

OneChicago, LLC reached a new open interest record Tuesday of 1,392,128 contracts, topping the previous record of 1,335,410 reached Aug. 18, 2005. In addition, Exchange volume is already twice the 1.9 million traded in 2004, surpassing four million contracts yesterday.

OneChicago President Marty Doyle said, “The fourth quarter is off to a strong start, with our October volume already triple that of the October 2004 total. This follows an average daily volume record of 28,090 contracts traded in the third quarter. Traders are continuing to discover the benefits of security futures in meeting their portfolio management needs."

Each single stock futures contract is equivalent to 100 shares of the underlying stock or exchange-traded fund. The Exchange lists 208 futures on single stocks, including futures on the DIAMONDS® Trust, as well as four OneChicago Select Indexes, a new series of customer-designed narrow-based security index futures.

OneChicago is a joint venture of the Chicago Board Options Exchange Incorporated® (CBOE®), Chicago Mercantile Exchange Inc. (CME) and the Chicago Board of Trade (CBOT®). All products are electronically traded on the CBOEdirect® match engine and accessible through the CBOEdirect and GLOBEX® platforms. Security futures can be traded out of either securities or futures accounts. For more information about OneChicago and its products, please access the OneChicago Web site at www.OneChicago.com.