Interactive Brokers reports strong Q3 2025 results with record revenue, client growth, and profits.

Interactive Brokers Group posted stronger-than-expected third-quarter 2025 results, with revenue of $1.66 billion, up 21.2% year-over-year, and adjusted earnings per share of 57 cents, surpassing estimates. Net revenues rose 21% on robust client growth, adding 790,000 net new accounts—exceeding all of 2024—bringing the client base to 4 million. Client equity surged 40% to $750 billion, while client cash balances reached $150 billion. Trading volumes hit record levels, with equities up 67% and options contracts at 418 million. Commission revenue rose 23%, and net interest income grew 21%. The company also saw a 165% quarter-over-quarter increase in crypto forecast contracts and an 87% rise in cryptocurrency trading. A 79.3% pretax profit margin and a 59% drop in general and administrative expenses—due to lower legal and regulatory costs—boosted profitability. The stock rose slightly in after-hours trading.