Heading into the quarter, analysts forecast Interactive Brokers would earn $0.45 per share (adjusted for one-time items) on sales of just under $1.4 billion. In fact, the company earned $0.51 per share -- generally accepted accounting principles ( GAAP) -- and its sales were just under $1. 5 billion.

Interactive Brokers stock jumped 10% after reporting record Q2 2025 earnings, beating expectations on revenue and profit.