Interactive Brokers stock posts 16% Q3 revenue growth
Published on 11/06/2026 at 13:21 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWSQuarterly results strengthen earnings profile
- Net income increased 14% year over year to $1.35 billion in the third quarter.
- Net interest income rose 19% to $1.15 billion as customer margin loans and credit balances grew.
- October client accounts reached 5.678 million, while daily average revenue trades rose 5% from September.
Interactive Brokers Group reported third-quarter 2026 revenue of $1.91 billion, up 16% from $1.66 billion a year earlier. Net income increased 14% to $1.35 billion, while diluted earnings per share advanced to $0.69 from $0.59, according to Screw Street, which based its report on the company's Form 10-Q filing.
Interest income remains central
Operating income rose 14% to $1.50 billion, and the operating margin stood at 78%. Net interest income grew 19% to $1.15 billion from $967 million in the prior-year quarter. The increase came as average customer margin loans and credit balances expanded, keeping interest income at the center of the broker's earnings model.
Commissions reached $602 million, up 12% from $537 million. Daily average revenue trades rose 18% to 4.3 million in the quarterly comparison cited by the report. Futures contract volume increased 13%, while stock share volume declined 24% and options contract volume slipped 1%.
October metrics show mixed momentum
The company's October brokerage figures added a more mixed operating picture. Daily average revenue trades reached 4.306 million, 5% above September but 4% below October 2025. Ending client equity was $928.6 billion, up 19% year over year but down 4% from the prior month.
Client margin loan balances rose 31% year over year and 2% from September to $106.8 billion. Client credit balances totaled $180.5 billion, including $6.2 billion in insured bank deposit sweeps. Client accounts increased 34% year over year and 2% month over month to 5.678 million.
IBKR stock traded at 66.66 euros on Lang & Schwarz at 1:11:41 p.m. CET on Friday, November 6, 2026. The quote provides a current European trading indication, while the quarterly figures point to continued earnings support from net interest income and expanding client balances. Investors will likely focus next on whether account growth can translate into sustained trading activity and commission income.
Read the real-time quote of Interactive Brokers stock for the latest trading indication.
Interactive Brokers Group key facts
- Company: Interactive Brokers Group, Inc.
- ISIN: US45841N1072
- Ticker: IBKR
- Home exchange: Nasdaq
- Lang & Schwarz quote: 66.66 euros, Friday, November 6, 2026, 1:11:41 p.m. CET
- Third-quarter revenue: $1.91 billion, up 16% year over year
- Third-quarter diluted EPS: $0.69
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