Interactive Brokers Group, Inc. (Nasdaq: IBKR) reported its September 2026 electronic brokerage metrics on Tuesday, posting gains across client accounts, equity holdings, and trading volume. The automated global broker recorded 4.111 million average daily revenue trades (DARTs), up 6% year-over-year, while client equity reached $964.7 billion, up 27% from the prior year.
- Client accounts: 5.576 million, up 35% year-over-year
- Client margin loan balances: $105.2 billion, up 36% year-over-year
- Client credit balances: $186.2 billion, including $6.4 billion in insured bank deposit sweeps
- Average commission per cleared commissionable order: $2.57, including exchange, clearing and regulatory fees
- Average U.S. Reg-NMS stock trade execution cost for IBKR PRO clients: 1.2 basis points in September; 2.5 basis points for the rolling 12-month period
Commission structures varied across asset classes in September. Stock trading averaged $1.94 per cleared commissionable order on trades of 656 shares. Equity options averaged $3.67 per order across 6.2 contracts, while futures commissions averaged $4.36 per contract on orders of 3.1 contracts. The company estimates exchange, clearing, and regulatory fees represent 56% of futures commission costs.
Client balances reflected mixed currency dynamics during the quarter. Interactive Brokers‘ internally tracked GLOBAL basket, comprising 10 major currencies, declined 0.45% in September and dropped 0.08% for the quarter ended September 30th. The firm also marked its U.S. government securities portfolio to market with a quarterly loss of $307,000.
Interactive Brokers, a member of the S&P 500, provides automated trade execution and custody services across over 170 markets in multiple countries and currencies. The firm serves individual investors, hedge funds, proprietary trading groups, financial advisors, and introducing brokers through a unified platform.
