Interactive Brokers Group, Inc. (IBKR)
NASDAQ: IBKR · Real-Time Price · USD
86.03
+1.89 (2.25%)
At close: Oct 15, 2026, 4:00 PM EDT
85.70
-0.33 (-0.38%)
After-hours: Oct 15, 2026, 7:59 PM EDT
Interactive Brokers Group Market Cap
Interactive Brokers Group has a market cap or net worth of $38.98 billion as of October 15, 2026. It is the 643rd most valuable company in the world and the 304th biggest in the United States. Its market cap has increased by 26.22% in one year.
Market Cap
38.98B
Enterprise Value
-46.10B
1-Year Change
26.22%
Global Rank
Country Rank
#304 United States
Category
ChartMarket Cap Chart
Since May 4, 2007, Interactive Brokers Group's market cap has increased from $1.09B to $38.98B, an increase of 3,488.50%. That is a compound annual growth rate of 20.20%.
| Date | Market Cap | % Change |
|---|---|---|
| Oct 15, 2026 | 38.98B | 36.09% |
| Dec 31, 2025 | 28.64B | 48.90% |
| 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
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