Interactive Brokers Group reported its first-quarter 2025 earnings with adjusted diluted earnings per share (EPS) of $1.88, missing the consensus estimate of $1.91. The company posted net revenues of $1.43 billion, surpassing the estimated $1.39 billion, representing a 15% year-over-year increase. Net interest income was $770 million, slightly below the $794.3 million estimate. Customer trading volumes increased significantly, with stocks up 47%, options up 25%, and futures up 16%. The total number of customer accounts grew 32% year-over-year to 3.62 million, with strong international growth, particularly in Asia and Europe. Average customer margin loans were $64.36 billion, slightly above estimates. The company declared a quarterly dividend increase from $0.25 to $0.32 and announced a 4-for-1 forward stock split. Despite these results, Interactive Brokers' stock declined approximately 4% in after-hours trading. Additionally, other regional banks reported first-quarter 2025 earnings, including Citizens Financial Group, which reported adjusted EPS of $0.77, beating estimates, and revenue of $1.94 billion, in line with expectations. Several other banks, including Bank OZK, FNB, Home BancShares, Great Southern Bancorp, Huntington Bancshares, First Financial Bankshares, Parke Bancorp, Independent Bank, BayCom, and Bar Harbor Bankshares, also reported their quarterly earnings with varying results relative to estimates.