Volume Statistics
- ISE's equity options market share was 33% in April, a 10% increase compared to 30% for the same year-ago period. ISE set a new equity options market share record in April, surpassing its previous record of 32% in February.
- Overall, in its listings, ISE traded more volume in 497 of its 646 issues than any other options exchange.
- In April, ISE traded 31.2 million equity options contracts, up 62% from 19.3 million equity options contracts in the same year-ago period. Average daily volume (ADV) in April was 1,486,659 contracts, up 62% from 918,585 contracts in the same year-ago period.
- ISE executed more customer volume in its own listings than any other exchange in April. ISE set a new record for customer volume market share in its own listings in April, with 30%, surpassing its previous record of 29% in March 2004.
- ISE was the lead market in April for options on 27 of the 30 stocks in the Dow Jones Industrial Average, which represented 87% 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 71% of the index's total weighting. ISE was the lead market for options on 335 of the 1000 stocks in the Russell 1000 Index, which represented 67% of the index's total weighting.
