Interactive Brokers Group Inc. reported strong brokerage performance metrics for September 2025, with notable year-over-year and month-over-month growth across several key areas. Daily Average Revenue Trades (DARTs) reached 3.864 million, marking a 47% increase from the prior year and an 11% rise from the previous month. Client equity ended the month at $757.5 billion, up 40% compared to last year and 6% higher than the month before. Margin loan balances stood at $77.3 billion, representing a 39% increase year-over-year and an 8% gain month-over-month. Client credit balances totaled $154.8 billion, including $6.2 billion in insured bank deposit sweeps, up 33% from the prior year and 6% from the prior month. The number of client accounts grew to 4.127 million, a 32% increase from the previous year and 2% higher than the previous month. The rolling twelve-month average all-in cost of a U.S. Reg.-NMS stock trade for IBKR PRO clients was reported at 2.9 basis points. Additionally, mark-to-market losses on the company's U.S. governmental securities portfolio were $195,000 for the quarter ended September 30th. The value of the company's GLOBAL metric increased by 0.02% in September but decreased by 0.25% over the quarter.