Interactive Brokers Group (IBKR) Q3 2026 earnings summary

Executive summary

• GAAP net revenues were $1.914B and adjusted net revenues $1.872B; GAAP diluted EPS was $0.69 and adjusted diluted EPS $0.67, all higher YoY.

• Accounts rose 35% to 5.576M, customer equity grew 27% to $965B and DARTs increased 18% to 4.273M; pretax margin was 78%.

• Growth priorities included expanding global products and markets, scaling AI-enabled services, and attracting RIAs and introducing brokers to the automated global platform.

Financial highlights

• Commissions rose 12% YoY to $602M; GAAP net interest income increased 19% to $1.15B, primarily on higher average customer margin loans and credit balances.

• Other fees and services increased 33% YoY to $88M; execution, clearing and distribution fees rose 46% to $134M, mainly reflecting a $30M increase in SEC regulatory fees.

• GAAP net income available to common stockholders was $314M versus $263M; adjusted net income was $305M versus $253M.

• Total assets rose 21% YoY to $243B, customer credit balances reached a record, and total equity was $23.251B at September 30, 2026.

Outlook and guidance

• Each 25-bp move in the Fed funds benchmark was estimated to change annual net interest income by $83M in the same direction; ~30% of interest-sensitive balances are non-USD.

• Each 25-bp move in relevant non-USD benchmark rates was estimated to change annual net interest income by $35M in the same direction.

• Most impact from September Fed rate increases was expected in Q4; management expected election-related volatility to support trading, while delayed IPOs had contributed to activity variation.