Interactive Brokers Group closed at $77.88 on Nov 4, up 0.54%, 20.7% below its 52-week closing high. Volume of 7.4M shares was 1.62× its 20-day average (above normal).
Split-adjusted performance: -14.0% over one month, -10.5% over six months, +6.6% over one year.
In the quarter ended Jun 30, 2026, revenue was $839M, up 35.3% from a year earlier, with a net margin of 37.2%.
Short interest was 13.1M shares at the Oct 15 settlement, down 4.8% from the prior report (3.0% of float, 3.5 days to cover).