IBKR September Metrics: Client Accounts Up 35% YoY, Margin Loans Jump 36%
IBKR sits 47% above its 52-week low of $58.95.
Summary
Interactive Brokers reported September 2026 brokerage metrics showing continued strong growth. Client accounts rose 35% year-over-year to 5.576 million, and client margin loan balances jumped 36% to $105.2 billion. DARTs were 4.111 million, up 6% from last year but down 4% from August. Client equity reached $964.7 billion, up 27% year-over-year. The company also disclosed a $307,000 mark-to-market loss on its U.S. government securities portfolio for Q3 and a 0.45% decline in its GLOBAL currency basket in September. IBKR PRO clients' all-in cost of U.S. Reg-NMS stock trading was 1.2 basis points in September, better than the 2.5 bps rolling twelve-month average. This follows strong July and August metrics reports, confirming the firm's growth trajectory. The next earnings report will provide full quarterly financials.
At the time of this announcement, IBKR was trading at $86.87 on NASDAQ in the Finance sector, with a market capitalization of approximately $147.8B. The 52-week trading range was $58.95 to $98.75. This news item was assessed with positive market sentiment and an importance score of 7 out of 10. Source: BusinessWire.