Volume Statistics
- ISE's equity options market share was 35% in August, a 17% increase compared to 30% for the same year-ago period.
- Overall, in its listings, ISE traded more volume in 508 of its 678 issues than any other options exchange.
- In August, ISE traded 26.8 million equity options contracts, up 50.6% from 17.8 million equity options contracts in the same year-ago period. In August, average daily volume (ADV) in equity options was 1,219,813 contracts, up 43.6% from an ADV of 849,244 equity options contracts in the same year-ago period.
- ISE executed more customer volume in its own listings than any other exchange in August.
- ISE was the lead market in August for options on 25 of the 30 stocks in the Dow Jones Industrial Average, which represented 84% of the index's total weighting. ISE was the lead market for options on 263 of the stocks in the Standard & Poor's 500 Index, which represented 71% of the index's total weighting. ISE was the lead market for options on 341 of the stocks in the Russell 1000 Index, which represented 67% of the index's total weighting.
The International Securities Exchange, the world's largest equity options exchange, was founded on the principle that technology fosters and infuses new efficiencies and operational innovations into securities trading. After developing an innovative market structure that integrated auction market principles into an advanced screen-based trading system, ISE launched the first fully electronic US options exchange in June 2000. ISE continually enhances its trading systems to provide investors with the best marketplace to execute their options orders.
