Interactive Brokers Group Reports Strong April Performance Metrics

Interactive Brokers Group, Inc. (Nasdaq: IBKR), a leading global electronic brokerage firm, has announced impressive monthly performance metrics for April 2025, showcasing significant growth across various key indicators. The firm reported a Daily Average Revenue Trades (DARTs) of 3.818 million, which represents a remarkable 63% increase compared to the same month last year and a 10% rise from the previous month. This surge in trading activity indicates a robust demand among clients and reflects the increasing popularity of electronic trading platforms.

The company reported an ending client equity of $588.1 billion, marking a substantial 28% increase year-over-year and a 3% rise from March 2025. This growth underscores Interactive Brokers' solid position in the market as it continues to attract new clients and expand its user base. Meanwhile, ending client margin loan balances stood at $58.2 billion, which is up 15% from the previous year but down by 9% from the prior month. This fluctuation suggests that while clients are leveraging more in the long term, there was a slight decrease in margin borrowing in April.

Interactive Brokers also reported a significant increase in its client accounts, which reached 3.71 million—up 32% from the same month last year and a 3% increase from March 2025. This burgeoning client base is indicative of the firm’s effective outreach and competitive offerings in the brokerage landscape. With an annualized average of 227 cleared DARTs per client account, the firm continues to demonstrate its capacity to engage clients effectively and efficiently.

In terms of commissions, Interactive Brokers reported an average commission per cleared Commissionable Order of $2.75, which includes all exchange, clearing, and regulatory fees. The breakdown of average order sizes showed that stocks had an average size of 844 shares with a commission of $2.16, equity options averaged 6.4 contracts with a commission of $3.63, and futures (including options on futures) averaged 2.8 contracts with a commission of $3.75.

The company also highlighted its ending client credit balances, which totaled $132.8 billion, including $5.0 billion in insured bank deposit sweeps. This figure represents a 26% increase year-over-year and a 6% increase from the previous month, further indicating a strong financial position and client confidence in Interactive Brokers.

In addition to its metrics, Interactive Brokers reported an increase of 0.96% in the value of its GLOBAL—a basket of 10 major currencies—in April 2025, with a year-to-date increase of 1.715%. This strategy underlines the company’s commitment to currency diversification, aimed at mitigating risks associated with currency fluctuations while enhancing overall client investment performance.

In a move towards transparency, Interactive Brokers provided details on the trading expenses for its IBKR PRO clients. The average U.S. Reg-NMS stock trade was reported at $21,455, with the total cost of executing and clearing such trades being approximately 4.1 basis points of trade money. This figure reflects the firm’s competitive pricing structure and commitment to providing cost-effective trading solutions for its clients.

The April performance metrics released by Interactive Brokers Group indicate a strong upward trajectory in both trading activity and client engagement. With significant increases in DARTs, client equity, and credit balances, the company continues to solidify its position as a leading brokerage firm in the evolving financial landscape. As Interactive Brokers continues to leverage technology and automation, its clients benefit from enhanced trading efficiencies and superior execution prices, paving the way for further growth and innovation in the future.