GAAP Diluted EPS of $1.94, Adjusted¹ EPS of $1.88

GAAP Net Revenues of $1,427 Million, Adjusted Net Revenues of $1,396 Million

Raises Quarterly Dividend From $0.25 to $0.32

Declares Four-for-One Forward Stock Split

Interactive Brokers Group, Inc. (Nasdaq: IBKR), an automated global electronic broker, announced results for the quarter ended March 31, 2025.

Reported diluted earnings per share were $1.94 for the current quarter and $1.88 as adjusted. For the year-ago quarter, reported diluted earnings per share were $1.61 and $1.64 as adjusted.

Reported net revenues were $1,427 million for the current quarter and $1,396 million as adjusted. For the year-ago quarter, reported net revenues were $1,203 million and $1,216 million as adjusted.

Reported income before income taxes was $1,055 million for the current quarter and $1,024 million as adjusted. For the year-ago quarter, reported income before income taxes was $866 million and $879 million as adjusted.

Financial Highlights

(All comparisons are to the year-ago quarter.)

• Commission revenue increased 36% to $514 million on higher customer trading volumes. Customer trading volume in stocks, options and futures increased 47%, 25% and 16%, respectively.

• Net interest income increased 3% to $770 million on higher average customer margin loans and customer credit balances.

• Other fees and services increased 32% to $78 million, led by increases of $9 million in risk exposure fees and $3 million in payments for order flow from exchange-mandated programs.

• Execution, clearing and distribution fees increased 20% to $121 million, driven by a higher SEC fee rate, a new FINRA Consolidated Audit Trail (“CAT”) fee initiated during the fourth quarter of 2024, and higher customer trading volumes in stocks, options and futures.

• General and administrative expenses increased 24% to $62 million, driven primarily by an increase of $8 million in advertising expenses.

• Pretax profit margin for the current quarter was 74% as reported and 73% as adjusted. For the year-ago quarter, pretax margin was 72% both as reported and as adjusted.

• Total equity of $17.5 billion.

The Interactive Brokers Group, Inc. Board of Directors declared an increase in the quarterly cash dividend from $0.25 per share to $0.32 per share. This dividend is payable on June 13, 2025, to shareholders of record as of May 30, 2025.

In addition, Interactive Brokers Group, Inc. announced a four-for-one forward split of its common stock to make stock ownership more accessible to investors. Each record holder of common stock as of the close of market on Monday, June 16, 2025, will receive three additional shares of common stock, to be distributed after the close of market on Tuesday, June 17, 2025. Trading is expected to commence on a split-adjusted basis at market open on Wednesday, June 18, 2025.

Business Highlights

(All comparisons are to the year-ago quarter.)

• Customer accounts increased 32% to 3.62 million.
• Customer equity increased 23% to $573.5 billion.
• Total DARTs² increased 50% to 3.52 million.
• Customer credits increased 19% to $125.2 billion.
• Customer margin loans increased 24% to $63.7 billion.

Other Items

In connection with our currency diversification strategy, we base our net worth in GLOBALs, a basket of 10 major currencies in which we hold our equity. In this quarter, our currency diversification strategy increased our comprehensive earnings by $127 million, as the U.S. dollar value of the GLOBAL increased by approximately 0.75%. The effects of the currency diversification strategy are reported as components of (1) Other Income (gain of $20 million) and (2) Other Comprehensive Income (gain of $107 million).

Conference Call Information:

Interactive Brokers Group, Inc. will hold a conference call with investors today, April 15, 2025, at 4:30 p.m. ET to discuss its quarterly results. Members of the public who would like to listen to the conference call should register at https://register-conf.media-server.com/register/BI218ab20742f74471b0ec9061980600cd to obtain the dial-in details. The number should be dialed approximately ten minutes prior to the start of the conference call. The conference call will also be accessible simultaneously, and through replays, as an audio webcast through the Investor Relations section of the Interactive Brokers web site, www.interactivebrokers.com/ir.

About Interactive Brokers Group, Inc.:

Interactive Brokers Group affiliates provide automated trade execution and custody of securities, commodities, foreign exchange, and forecast contracts around the clock on over 160 markets in numerous countries and currencies from a single unified platform to clients worldwide. We serve individual investors, hedge funds, proprietary trading groups, financial advisors and introducing brokers. Our four decades of focus on technology and automation have enabled us to equip our clients with a uniquely sophisticated platform to manage their investment portfolios. We strive to provide our clients with advantageous execution prices and trading, risk and portfolio management tools, research facilities and investment products, all at low or no cost, positioning them to achieve superior returns on investments. Interactive Brokers has consistently earned recognition as a top broker, garnering multiple awards and accolades from respected industry sources such as Barron's, Investopedia, Stockbrokers.com, and many others.

Cautionary Note Regarding Forward-Looking Statements:

The foregoing information contains certain forward-looking statements that reflect the Company’s current views with respect to certain current and future events and financial performance. These forward-looking statements are and will be, as the case may be, subject to many risks, uncertainties and factors relating to the Company’s operations and business environment which may cause the Company’s actual results to be materially different from any future results, expressed or implied, in these forward-looking statements. Any forward-looking statements in this release are based upon information available to the Company on the date of this release. The Company does not undertake to publicly update or revise its forward-looking statements even if experience or future changes make it clear that any statements expressed or implied therein will not be realized. Additional information on risk factors that could potentially affect the Company’s financial results may be found in the Company’s filings with the Securities and Exchange Commission.

Note: The term “GAAP” in the following explanation refers to generally accepted accounting principles in the United States.

¹ Adjusted net revenues, adjusted income before income taxes, adjusted net income available for common stockholders and adjusted diluted earnings per share (“EPS”) are non-GAAP financial measures.

• We define adjusted net revenues as net revenues adjusted to remove the effect of our currency diversification strategy and our net mark-to-market gains (losses) on investments².
• We define adjusted income before income taxes as income before income taxes adjusted to remove the effect of our currency diversification strategy and our net mark-to-market gains (losses) on investments.
• We define adjusted net income available to common stockholders as net income available for common stockholders adjusted to remove the after-tax effects attributable to IBG, Inc. of our currency diversification strategy and our net mark-to-market gains (losses) on investments.
• We define adjusted diluted EPS as adjusted net income available for common stockholders divided by the diluted weighted average number of shares outstanding for the period.

Management believes these non-GAAP items are important measures of our financial performance because they exclude certain items that may not be indicative of our core operating results and business outlook and may be useful to investors and analysts in evaluating the operating performance of the business and facilitating a meaningful comparison of our results in the current period to those in prior and future periods. Our currency diversification strategy and our mark-to-market on investments are excluded because management does not believe they are indicative of our underlying core business performance. Adjusted net revenues, adjusted income before income taxes, adjusted net income available to common stockholders and adjusted diluted EPS should be considered in addition to, rather than as a substitute for, GAAP net revenues, income before income taxes, net income attributable to common stockholders and diluted EPS.

² Mark-to-market on investments represents the net mark-to-market gains (losses) on investments in equity securities that do not qualify for equity method accounting, which are measured at fair value; on our U.S. government and municipal securities portfolios, which are typically held to maturity; and on certain other investments.

³ The income tax effect is estimated using the statutory income tax rates applicable to the Company.

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