Interactive Brokers delivered solid third-quarterresults powered by a sharp rebound in trading activity and rising interestincome, signaling strong momentum among active investors despite marketuncertainty.Join IG, CMC, and Robinhood in London’s leading trading industry event!The brokerage reported gains across core businesslines while keeping expenses under control, lifting profitability to itshighest level in a year. The company posted GAAP net revenue of $1.66 billion,up from $1.37 billion in the same period last year, while adjusted net revenuereached $1.61 billion. Diluted earnings per share came in at $0.59, comparedto $0.42 a year earlier. Profit before taxes rose to $1.31 billion, reflectinga stable pre-tax margin of 79%.Trading Volumes Boost Commission RevenueHigher trading volumes in equity markets drove astrong rebound in commission revenue. Equity trading activity surged as marketconditions attracted more speculative and short-term strategies.Commission revenue increased 23% to $537 million.Stock trading volumes jumped 67%, while options activity rose 27%. Futuresvolume fell 7%, but the decline did not offset growth in other asset classes.Interest-based income continued to play a central rolein revenue growth. Interactive Brokers reported net interest income of $967million, up 21% from a year ago, supported by higher customer margin loans andlarger credit balances. Securities lending activity also remained strong duringthe quarter.The firm maintained tight cost controls. General andadministrative expenses dropped 59% to $62 million due to the absence ofone-time legal and regulatory costs recorded last year.Read more: Interactive Brokers Daily Average Revenue Trades Surge 47%, Client Equity SoarsThe company alsoavoided expenses linked to the prior consolidation of its European units.However, advertising expenses increased by $10 million as Interactive Brokerscontinued to invest in customer acquisition. Execution and clearing fees declined 21% due to lowerU.S. regulatory transaction fees and increased liquidity rebates fromexchanges.Client Growth AcceleratesInteractive Brokers continued to grow its customerbase worldwide, with customer accounts rising 32% to 4.13 million. The firmalso saw a sharp increase in customer equity, which climbed 40% to $757.5billion. Customer margin loans were up 39% to $77.3 billion, and customercredit balances rose 33% to $154.8 billion.Interactive Brokers has a long-standing strategy of diversifying equity across a basket of global currencies, known as its GLOBAL basket. Currency fluctuations, particularly a decline in the basket’s U.S. dollar value, reduced earnings by $33 million this quarter. The company recorded a $4 million gain in Other Incometied to the strategy, partly offset by a $37 million loss in OtherComprehensive Income. The board declared a cash dividend of $0.08 per share,payable on December 12, 2025, to shareholders of record on December 1.This article was written by Jared Kirui at www.financemagnates.com.