On a year-to-date basis, average daily volume increased 16.6% to 1.7 million contracts traded as compared to 1.5 million contracts traded in the prior year. Total equity options volume increased 15.2% to 142.0 million contracts versus 123.3 million contracts in the same period last year.
Equity Options Volume Statistics
| Year-to-Date | ||||||
| Current Month (000s) | Apr-05 | Apr-04 | % Change | Apr-05 | Apr-04 | % Change |
| ISE Average Daily Volume | 1,746.7 | 1,486.7 | 17.5% | 1,732.2 | 1,485.5 | 16.6% |
| ISE Total Volume | 36,680.5 | 31,219.8 | 17.5% | 142,041.3 | 123,292.4 | 15.2% |
| Industry Average Daily Volume | 5,342.7 | 4,512.7 | 18.4% | 5,253.8 | 4,650.7 | 13.0% |
| Market Share | 32.7% | 32.9% | (0.2)pts | 33.0% | 31.9% | 1.1 pts |
Monthly Highlights
- ISE set a new record trading volume of 3.2 million contracts traded on April 15, 2005.
- ISE traded more volume in 483 of 748 issues in its listings than any other options exchange.
- ISE was the lead market in March in the following indexes and accounted for at least 63% of the total weighting in each index:
- Dow Jones Industrial Average: 23 of 30 equities which represented 78% of the total weighting of the index.
- S&P 500: 245 of 500 equities which represented 67% of the total weighting of the index.
- Russell 1000: 313 of 1,000 equities which represented 63% of the total weighting of the index.
