Volume Statistics
- ISE's equity options market share was 34% in July, a 10% increase compared to 31% for the same year-ago period.
- Overall, in its listings, ISE traded more volume in 490 of its 684 issues than any other options exchange.
- In July, ISE traded 29.3 million equity options contracts, up 24.3% from 23.6 million equity options contracts in the same year-ago period. In June, average daily volume (ADV) in equity options was 1,396,754 contracts, up 30.2% from an ADV of 1,072,696 equity options contracts in the same year-ago period.
- ISE executed more customer volume in its own listings than any other exchange in July.
- ISE was the lead market in July for options on 26 of the 30 stocks in the Dow Jones Industrial Average, which represented 83% of the index's total weighting. ISE was the lead market for options on 259 of the stocks in the Standard & Poor's 500 Index, which represented 69% of the index's total weighting. ISE was the lead market for options on 334 of the 1000 stocks in the Russell 1000 Index, which represented 65% of the index's total weighting.