Interactive Brokers Group, Inc. (IBKR) stock
Close on Nov 11, 2026Market cap $37.37BP/E 31.7Yield –
Interactive Brokers Group, Inc. grew revenue 20.8% to $2.82B over the twelve months to Sep 30, 2026. At the latest close the market valued the company at $37.37B, 31.7 times its earnings.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026
Valuation
- Market cap
- $37.37B
- P/E ratio
- 31.7
- Price to sales
- 13.27
- Price to book
- 6.01
- Dividend yield
- –
- Free cash flow yield
- –
Fundamentals
- Revenue
- $2.82B
- EPS, diluted
- $2.60
- Book value per share
- $13.69
- Diluted shares
- 454M
Trading
- Next earnings
- Jan 19, 2027 (estimated, after the close)
- Previous close
- $77.59
- Open
- $79.69
- Day's range
- $79.68 – $83.78
- Volume
- 7,331,785
- Average volume (20 days)
- 5,566,126
- Index membership
- S&P 500 (since Sep 2025), Russell 1000, Russell 3000
- Beta (5 years)
- 1.15
- 52-week range
- $58.95 – $98.75
- RSI (14 days)
- 52.0
- Volatility (1 year)
- 41.0%
- Relative volume
- 1.69×
- WACC
- 10.6%
On 1 of our idea list: Superinvestor favorites
Index membership is inferred from the holdings of funds that track each index (VOO, IVV, SPYM, IWB, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.
Market cap history
Month-end market cap since 2009, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 11, 2026. The S&P 500 is measured by the SPY fund.
| Period | IBKR | S&P 500 | Difference | IBKR per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -6.1% | -2.4% | −3.7 pts | ||
| 3 months | -8.0% | -1.2% | −6.9 pts | ||
| Year to date | +28.7% | +12.3% | +16.4 pts | ||
| 1 year | +16.9% | +12.4% | +4.4 pts | ||
| 3 years | +306.9% | +78.8% | +228.1 pts | +59.7% | +21.4% |
| 5 years | +363.0% | +75.2% | +287.8 pts | +35.9% | +11.9% |
| 10 years | +854.9% | +311.1% | +543.8 pts | +25.3% | +15.2% |
Fifteen years at a glance
Fiscal years 2011 to 2025 and trailing twelve months, USD
Revenue
Net income
EPS, diluted
Press releases
Releases Interactive Brokers filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- Results
- Results
- Results
- Results
- Results
About Interactive Brokers
Security Brokers, Dealers & Flotation Companies
Interactive Brokers Group, Inc. operates as an automated global electronic broker specializing in trade execution, routing, clearing, and custody services. The company provides unified access to a wide array of financial instruments, including stocks, options, futures, foreign exchange, bonds, mutual funds, exchange-traded funds, precious metals, and forecast contracts, alongside cryptocurrency trading supported by third-party custodians. Its platform serves diverse client groups, ranging from hedge funds, mutual funds, and registered investment advisors to proprietary trading groups, introducing brokers, and individual investors.
Company profile, executives and historyInteractive Brokers stock: common questions
What is Interactive Brokers's stock price?
IBKR closed at $82.49 on Nov 11, 2026, up 6.32% on the day. Over the past 52 weeks it traded between $58.95 and $98.75.
What is Interactive Brokers's market cap?
Interactive Brokers was worth $37.37B at the close on Nov 11, 2026: the share price times the diluted shares outstanding.
What is IBKR's P/E ratio?
IBKR trades at 31.7 times earnings, based on diluted earnings per share of $2.60 over the twelve months to Sep 30, 2026.
How much revenue does Interactive Brokers make?
Interactive Brokers reported revenue of $2.82B for the twelve months to Sep 30, 2026, up 20.8% from a year earlier.
Does Interactive Brokers pay a dividend?
No. Interactive Brokers has not paid a cash dividend over the last twelve months.
When does Interactive Brokers report earnings next?
Interactive Brokers is expected to report Q4 FY2026 results on Jan 19, 2027, after the close. The date is estimated from its past reporting pattern until the company confirms it.
How has IBKR stock performed over the past year?
Including dividends, IBKR returned +16.9% over the past year, against +12.4% for the S&P 500.
How many IBKR shares are sold short?
14M shares were sold short at the latest FINRA report, 3.17% of the float, or 2.9 days of average trading volume.
Who are Interactive Brokers's competitors?
Companies most similar to Interactive Brokers by business, industry and size include VIRT, MIAX, SEIC, FRHC, HOOD.
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