Interactive Brokers Client Accounts Jump 35% in September

Key Facts

1Interactive Brokers reported a 35% year-over-year increase in client accounts for the month of September.

Interactive Brokers reported a 35% year-over-year increase in client accounts for the month of September 2026. Investing.com reported that the company released these monthly brokerage metrics to provide transparency regarding its trading activity and platform growth.

IBKR closed at $85.42 on September 30, 2026, with the session seeing a range between $85.39 and $86.93. This expansion in the user base is a key performance indicator for brokerage firms, suggesting increased market share and future revenue potential.