International Securities Exchange Reports Monthly Volume for March 2004

The International Securities Exchange (ISE), the world's largest equity options exchange, reported an increase in March trading volume compared to the same year-ago period.

Volume Statistics

• ISE's equity options market share was 32% in March, an 18% increase compared to 27% for the same year-ago period.
• Overall, in its listings, ISE traded more volume in 473 of its 626 issues than any other options exchange.
• In March, ISE traded 31.3 million equity options contracts, up 86% from 16.8 million equity options contracts in the same year-ago period. Average daily volume (ADV) in March was 1,360,217 contracts, up 86% from 800,608 contracts in the same year-ago period.
• ISE executed more customer volume in its own listings than any other exchange in March.

Monthly Highlights

• ISE was the lead market in March for options on 23 of the 30 stocks in the Dow Jones Industrial Average, which represented 73% of the index's total weighting. ISE was the lead market for options on 241 of the stocks in the Standard & Poor's 500 Index, which represented 67% of the index's total weighting. ISE was the lead market for options on 315 of the 1000 stocks in the Russell 1000 Index, which represented 63% of the index's total weighting.