Interactive Brokers Generates $1.9 Billion in Revenue as Pretax Margin Hits 77 Percent
A 67 percent surge in customer margin borrowing pushed net interest income past $1 billion, lifting quarterly earnings per share to $0.69.

Interactive Brokers Group reported diluted earnings of $0.69 per share for the quarter ended June 30, up from $0.51 a year earlier, according to an analysis published by Yahoo Finance (https://finance.yahoo.com/markets/stocks/articles/interactive-brokers-ibkr-turns-every-200932877.html). Net revenues rose to $1.90 billion from $1.48 billion in the prior-year period, expanding the automated brokerage firm's pretax profit margin to 77 percent, compared with 75 percent a year earlier.
Growth across the business was underpinned by strong client acquisition and asset accumulation. Total customer accounts increased 34 percent year over year to 5.19 million, while customer equity rose 40 percent to $930.3 billion. Because equity expanded faster than account totals, average customer balances increased across the platform, expanding the base for both trading activity and lending.
Commission revenue climbed 30 percent to $673 million, supported by a 17 percent increase in options trading volume and a 14 percent rise in stock volume. Futures volume rose 2 percent over the same period. Net interest income grew 23 percent to $1.06 billion, driven by customer cash deposits and credit demand. Margin loans extended to customers jumped 67 percent to $108.5 billion, significantly outpacing account growth.
Revenue from other fees and services rose 40 percent to $87 million, driven by order-flow payments from exchange-mandated programs and risk exposure fees. Execution, clearing, and distribution costs rose 22 percent to $142 million, reflecting higher transaction volumes and an additional $19 million in regulatory fees following an increase to the U.S. Securities and Exchange Commission Section 31 fee rate on April 4, 2026. Those cost increases were partially offset by exchange liquidity rebates.
Currency movements also affected results. Interactive Brokers holds its equity in the GLOBAL, a basket of 10 currencies that depreciated approximately 0.21 percent against the U.S. dollar during the quarter. The currency shift reduced total comprehensive earnings by $36 million, reflecting a $21 million gain in other income offset by a $57 million decline in other comprehensive income. The company's board declared a quarterly dividend of $0.0875 per share, payable September 14 to shareholders of record as of September 1. Institutional ownership among hedge funds increased to 87 firms from 70 in the prior quarter, while short interest stood at 2.64 percent of float, with the stock valued at 27.93 times forward earnings as of September 18.
Sources
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