Interactive Brokers Group (IBKR) Reports Strong Q3 2025 Earnings

Earnings Release Date: October 16, 2025


Key Points

  • GAAP EPS: $0.59 (vs. $0.42 in Q3 2024), up 40% YoY.
  • Adjusted EPS: $0.57 (vs. $0.40), up 43% YoY.
  • GAAP net revenue: $1.66 billion; Adjusted net revenue: $1.61 billion, up 21% YoY.
  • Pre-tax profit margin: 79%, up from 67% last year.
  • Total equity: $19.5 billion, up 17% YoY.
  • Dividend: $0.08 per share, payable December 12, 2025.

Against Street Expectations:

  • EPS: $0.57 vs. Street estimate of ~$0.56 — slight beat.
  • Revenue: $1.61B vs. $1.60B est — in line.

Quarter Highlights

  • Commission revenue: up 23% to $537M, driven by higher customer trading activity.
    • Stock volume +67%; Options +27%; Futures –7%.
  • Net interest income: up 21% to $967M, supported by higher securities lending and greater margin balances.
  • Customer accounts: up 32% YoY to 4.13 million.
  • Customer equity: up 40% YoY to $757.5B.
  • Customer margin loans: up 39% to $77.3B.
  • Daily average revenue trades (DARTs): 3.62M, up 34%.
  • General & administrative expenses: down 59% due to absence of prior-year legal/regulatory charges.
  • Pre-tax income: $1.31B (adjusted $1.27B), up 44% YoY.

CEO Commentary

“We delivered another quarter of record client activity, revenue growth, and profit expansion,” said Thomas Peterffy, Chairman.

“Client equity reached new highs, reflecting our technology-driven platform and global reach. We remain focused on automation, low-cost execution, and expanding our global client base.”


Future Outlook

  • IBKR highlighted sustained growth in client balances and trading volumes, supported by global market volatility and interest rate tailwinds.
  • Management expects continued growth in commissions and net interest income, though at a slower pace as rate benefits normalize.
  • The company reiterated commitment to cost control and technology investment to support scale efficiency.
  • No formal Q4 guidance provided in the release.

Financial Summary

MetricQ3 2025Q3 2024YoY Change
Net Revenues (GAAP)$1.655 B$1.365 B+21%
Adjusted Net Revenues$1.610 B$1.327 B+21%
Income Before Taxes (GAAP)$1.312 B$0.909 B+44%
Adjusted Income Before Taxes$1.267 B$0.871 B+46%
Net Income (GAAP)$1.186 B$0.834 B+42%
Net Income to Common Stockholders$263 M$184 M+43%
Adjusted Diluted EPS$0.57$0.40+43%
Pretax Profit Margin79%67%+12 pts
Customer Accounts4.13 M3.12 M+32%
Customer Equity$757.5 B$541.5 B+40%
Margin Loans$77.3 B$55.7 B+39%

Capital Return

  • Dividend: $0.08/share payable Dec 12, 2025 to holders of record Dec 1, 2025.
  • No share repurchases announced.
  • Total equity: $19.5B; strong capital position with pretax margin of 79%.

About Interactive Brokers

Interactive Brokers Group, Inc. (NASDAQ: IBKR) is a member of the S&P 500 and a leading global automated electronic broker. Its subsidiaries provide trade execution and custody for securities, commodities, and FX across 160+ markets in multiple currencies. The firm’s technology-driven platform serves individual and institutional clients, including hedge funds, advisors, and proprietary trading groups, at low cost and high speed.


Key Takeaways

  • Strong quarter: EPS +43%, revenue +21% YoY, driven by trading and interest income.
  • Record profitability: Pre-tax margin 79%, aided by lower costs.
  • Operational momentum: 32% more accounts, 40% higher customer equity.
  • Quality of beat: Modest upside to expectations, largely from interest income.
  • Caution: Growth heavily tied to market activity and rate levels; slower rate tailwinds could moderate margins.
  • Overall: IBKR delivered another solid quarter of scalable growth and profitability, underscoring its structural advantage in electronic brokerage efficiency.