Interactive Brokers (NASDAQ: IBKR) Q3 2026 Earnings: Estimates and Outlook

• Wall Street anticipates Interactive Brokers (NASDAQ: IBKR) to report third-quarter 2026 earnings of $0.67 per share and revenue of approximately $1.86 billion.
• Growth is expected to be driven by increased trading activity, client accounts, and net interest income, though higher operating expenses could temper benefits.
• Despite strong year-to-date stock performance, the company's shares are considered significantly overvalued, trading at 33.26 times earnings and 88.7% above their estimated fair value.

Interactive Brokers is expected to report third-quarter 2026 earnings after the market closes on October 15. Interactive Brokers provides trading services to active investors and institutions. Wall Street estimates earnings of $0.67 per share and revenue of approximately $1.86 billion.

As highlighted by Zacks, those estimates represent year-over-year growth of 15.8% in earnings and 13.5% in revenue. More trading and client accounts are expected to increase commission revenue. Net interest income, which Interactive Brokers earns on interest-bearing assets, is projected to rise 15.7%, though higher operating expenses could reduce the benefit.

As highlighted by The Motley Fool, stronger-than-expected summer trading could push commissions above forecasts. Interactive Brokers’ annual revenue more than doubles from 2022 to 2025, although growth has since slowed. The earnings report will show whether trading activity remains strong enough to support current expectations.

Shares fell 3.8% to $84.14 on October 14, but remain up 31.2% year to date and 21.8% over the past year. The stock’s 52-week range is $58.95 to $98.75. At $84.14, it trades at 33.26 times earnings, meaning investors pay $33.26 for each $1.00 of annual profit.

As highlighted by GuruFocus, the share price is 88.7% above its estimated fair value of $44.59, leading it to classify the stock as significantly overvalued. GuruFocus gives Interactive Brokers a GF Score of 81 out of 100. Insiders record $35.70 million in net share sales over the prior 12 months, with no purchases.