Interactive Brokers Group

IBKRNasdaq United States Finance Investment Bankers/Brokers/Service

Market cap

$39.178 B

$86.47 -1.45%

Close of 9 Oct 2026

As of 9 Oct 2026, Interactive Brokers Group (IBKR) has a market capitalization of $39.2B. 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

#1031 by revenue

Earnings

—

Not reported

Shares outstanding

449,235,445

Latest filing cover page

P/E ratio

—

Cap ÷ net income

Investment Bankers/Brokers/Service, ranked by market cap

All 68 →

#7Intercontinental ExchangeICE$87.2B
#8NasdaqNDAQ$51.6B
#9Interactive Brokers GroupIBKR$39.2B
#10Cboe Global MarketsCBOE$32.9B
#11Raymond James FinancialRJF$30.5B

Insiders buying

All insider buying →

2 open-market purchases by officers and directors of Interactive Brokers Group, worth $4.31K. Grants and option exercises are excluded.

Lori A. Conkling$2.14K
25 shares at $85.42 on 1 Oct 2026 · filed 5 Oct 2026
Lori A. Conkling$2.18K
25 shares at $87.03 on 3 Aug 2026 · filed 4 Aug 2026

What if Interactive Brokers Group were worth as much as…

Open the what-if tool →

Gold $29.1T

$64,143.14

Per share 742× higher

Bitcoin $1.66T

$3,665.11

Per share 42.4× higher

Nvidia $5.55T

$12,259.62

Per share 142× higher

Or at a round number

$50.0B $100.0B $200.0B $500.0B

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. Last updated 10 Oct 2026. Read the methodology.