TotalMarketCap

Market cap

$32.934 B

$72.69 -6.66%

Close of 6 Nov 2026

As of 6 Nov 2026, Interactive Brokers Group (IBKR) has a market capitalization of $32.9B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

$2.44B

#1028 by revenue

Earnings

—

Not reported

Shares outstanding

450,818,725

Latest filing cover page

P/E ratio

—

Cap ÷ net income

Investment Bankers/Brokers/Service, ranked by market cap

All 69 →
  1. #8NasdaqNDAQ$59.3B
  2. #9Cboe Global MarketsCBOE$39.5B
  3. #10Interactive Brokers GroupIBKR$32.9B
  4. #11Raymond James FinancialRJF$31.7B
  5. #12Tradeweb MarketsTW$29.6B

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Where these numbers come from

Share counts and financials for Interactive Brokers Group are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Read the methodology.