Interactive Brokers Group Reports Brokerage Metrics and Other Financial Information for May 2026, includes Reg.-NMS Execution Statistics

About this update from Interactive Brokers Group, Inc.

GREENWICH, Conn., June 01, 2026--(BUSINESS WIRE)--Interactive Brokers Group, Inc. (Nasdaq: IBKR) an automated global electronic broker, today reported its Electronic Brokerage monthly performance metrics for May. Brokerage highlights for the month included: Futures include options on futures. We estimate exchange, clearing and regulatory fees to be 56% of the futures commissions. Other financial information for Interactive Brokers Group: In the interest of transparency, we quantify our IBKR PRO clients’ all-in cost of trade execution below. For the full multimedia release with graph see link: https://www.interactivebrokers.com/MonthlyMetrics The above illustrates that the rolling twelve months’ average all-in cost of an IBKR PRO client U.S. Reg.-NMS stock trade was 2.2 basis points. Note 1: Daily Average Revenue Trades (DARTs) – customer orders divided by the number of trading days in the period. Note 2: FDIC insured client bank deposit sweep program balances with participating banks. These deposits are not reported in the Company’s statement of financial condition. Note 3: Commissionable Order – a customer order that generates commissions. Note 4: In connection with our currency diversification strategy, we have determined to base our net worth in GLOBALs, a basket of 10 major currencies in which we hold our equity. The total effect of the currency diversification strategy is reported in Comprehensive Income and the components are reported in (1) Other Income and (2) Other Comprehensive Income ("OCI") on the balance sheet. The effect of the GLOBAL on our comprehensive income can be estimated by multiplying the total equity for the period by the change in the U.S. dollar value of the GLOBAL during the same period. Note 5: Trade money is the total amount of money clients spent or received, including all commissions and fees. Note 6: Consistent with the clients’ trading activity, the computed VWAP benchmark includes extended trading hours. More information, including historical results for each of the above metrics, can be found on the investor relations page of the Company’s corporate web site, www.interactivebrokers.com/ir. About Interactive Brokers Group, Inc.: Interactive Brokers Group, Inc. (NASDAQ: IBKR) is a member of the S&P 500. Its affiliates provide automated trade execution and custody of securities, commodities, foreign exchange, ...

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