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Month-End Equity Open Interest Reaches New Heights

Chicago—June 5, 2002

The Options Industry Council (OIC) announced today that May month-end equity open interest of 80,259,074 contracts rose 8.98 percent from 73,644,995 contracts in May 2001. Year-to-date, May represents the highest month-end for equity open interest. At its highest point on May 17, equity open interest stood at 87,523,216 contracts.

Equity open interest, the total number of options contracts not yet exercised or allowed to expire, is seen as an indication of longer-term investing in these instruments.

Month-end equity options volume for May was 57,007,020 contracts (23,488,960 puts and 33,518,060 calls) vs. 64,459,491 contracts (23,785,314 puts and 40,674,177 calls) in May 2001. The highest trading day in May occurred on May 17, when 3,913,238 contracts traded. Average daily equity volume for May was 2,591,228 contracts as compared to 2,929,977 contracts in 2001.

About OIC

OIC is a non-profit association funded by the American Stock Exchange, Chicago Board Options Exchange, International Securities Exchange, Pacific Exchange, Philadelphia Stock Exchange and The Options Clearing Corporation. In 2002, OIC is celebrating its 10-year anniversary of providing investors and brokers options education. OIC's resources include: The Options Industry Services call center at 1-888-OPTIONS, an educational Web site at, evening seminars throughout the continental United States and Canada, instructional videos and educational literature and software.

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