ONEOK Market Cap

ONEOK has a market cap or net worth of $55.82 billion as of November 4, 2026. It is the 422nd most valuable company in the world and the 224th biggest in the United States. Its market cap has increased by 35.74% in one year.

Market Cap

55.82B

Enterprise Value

84.16B

1-Year Change

35.74%

Global Rank

#422

Country Rank

#224 United States

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Since December 1, 1998, ONEOK's market cap has increased from $1.09B to $55.82B, an increase of 5,005.01%. That is a compound annual growth rate of 15.11%.

Market Cap History

Date	Market Cap	% Change
Nov 4, 2026	55.82B	20.70%
Dec 31, 2025	46.25B	-21.15%
Dec 31, 2024	58.65B	43.38%
Dec 29, 2023	40.91B	39.30%
Dec 30, 2022	29.36B	12.07%
Dec 31, 2021	26.20B	53.63%
Dec 31, 2020	17.06B	-45.43%
Dec 31, 2019	31.26B	40.85%
Dec 31, 2018	22.19B	8.29%
Dec 29, 2017	20.49B	69.57%
Dec 30, 2016	12.09B	134.19%
Dec 31, 2015	5.16B	-50.22%
Dec 31, 2014	10.37B	-19.18%
Dec 31, 2013	12.83B	46.64%
Dec 31, 2012	8.75B	-2.03%
Dec 30, 2011	8.93B	51.14%
Dec 31, 2010	5.91B	25.64%
Dec 31, 2009	4.70B	54.51%
Dec 31, 2008	3.04B	-34.48%
Dec 31, 2007	4.64B	-2.28%
Dec 29, 2006	4.75B	82.91%
Dec 30, 2005	2.60B	-11.59%
Dec 31, 2004	2.94B	63.78%
Dec 31, 2003	1.79B	54.64%
Dec 31, 2002	1.16B	8.94%

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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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