A lower-profile compounder is putting up impressive growth rates in key business metrics while trading at a far more reasonable valuation.With tech giants racing to buy up artificial intelligence (AI) hardware, Nvidia remains the market's headline act. But an under-the-radar winner has quietly posted even stronger stock performance this year. The stock? Interactive Brokers (IBKR -0.49%), an electronic brokerage that prides itself on global reach and automation. And unlike many of 2025's hype-driven stocks, ...

Key Takeaways IBKR reported a 50.3% year over year and 10.6% sequential increase in option contracts to 150.2 million.Higher trading came from volatility, new products, onboarding efficiency and global expansion.Client equity rose 39.9% to $757.5B, while DARTs climbed 46.7% year over year in September.Last week, Interactive Brokers’ (IBKR) Electronic Brokerage segment reported a 50.3% year-over-year surge in total option contracts in September 2025. Compared with the previous month, option contracts grew 10 ...