Interactive Brokers Group, Inc. (IBKR)

NASDAQ: IBKR · Real-Time Price · USD

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70.36

-0.59 (-0.83%)

At close: Oct 3, 2025, 4:00 PM EDT

70.36

0.00 (0.00%)

After-hours: Oct 3, 2025, 4:17 PM EDT

Interactive Brokers Group Market Cap

Interactive Brokers Group has a market cap or net worth of $31.33 billion as of October 3, 2025. Its market cap has increased by 118.37% in one year.

Market Cap

31.33B

Enterprise Value

-57.08B

1-Year Change

118.37%

Ranking

#421

Market Cap Chart

Since May 4, 2007, Interactive Brokers Group's market cap has increased from $1.09B to $31.33B, an increase of 2,784.15%. That is a compound annual growth rate of 20.01%.

Market Cap History

Date	Market Cap	% Change
Oct 2, 2025	31.59B	64.25%
Dec 31, 2024	19.24B	116.82%
Dec 29, 2023	8.87B	19.20%
Dec 30, 2022	7.44B	-4.54%
Dec 31, 2021	7.80B	41.01%
Dec 31, 2020	5.53B	54.54%
Dec 31, 2019	3.58B	-12.81%
Dec 31, 2018	4.10B	-3.03%
Dec 29, 2017	4.23B	70.52%
Dec 30, 2016	2.48B	-10.60%
Dec 31, 2015	2.78B	62.85%
Dec 31, 2014	1.70B	40.16%
Dec 31, 2013	1.22B	87.24%
Dec 31, 2012	649.60M	-4.58%
Dec 30, 2011	680.80M	-9.52%
Dec 31, 2010	752.40M	3.03%
Dec 31, 2009	730.30M	0.51%
Dec 31, 2008	726.60M	-44.00%
Dec 31, 2007	1.30B	19.44%
May 4, 2007	1.09B	-

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Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

Full Definition

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Market Cap Rankings