Market capitalization of Oneok (OKE)

Market cap: HK$454.59 Billion

As of September 2026 Oneok has a market cap of HK$454.59 Billion. This makes Oneok the world's 425th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Oneok from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	HK$454.59 B	27.35%
2025	HK$356.95 B	-21.95%
2024	HK$457.34 B	43.15%
2023	HK$319.48 B	39.25%
2022	HK$229.43 B	12.29%
2021	HK$204.32 B	54.53%
2020	HK$132.22 B	-45.71%
2019	HK$243.53 B	40.07%
2018	HK$173.86 B	8.58%
2017	HK$160.12 B	70.85%
2016	HK$93.72 B	133.8%
2015	HK$40.08 B	-50.17%
2014	HK$80.45 B	-19.24%
2013	HK$99.62 B	46.7%
2012	HK$67.90 B	-2.07%
2011	HK$69.34 B	50.39%
2010	HK$46.11 B	25.99%
2009	HK$36.59 B	55.13%
2008	HK$23.59 B	-35%
2007	HK$36.29 B	-2.21%
2006	HK$37.11 B	84.09%
2005	HK$20.16 B	-12.31%
2004	HK$22.99 B	41.13%
2003	HK$16.29 B	45.84%
2002	HK$11.17 B	33.84%
2001	HK$8.34 B	-24.84%
2000	HK$11.10 B	92.51%
1999	HK$5.76 B	-34.64%
1998	HK$8.82 B	-9.74%
1997	HK$9.77 B	54.34%
1996	HK$6.33 B

End of Day market cap according to different sources

On Sep 15th, 2026 the market cap of Oneok was reported to be:

HK$468.39 Billion

by Nasdaq

HK$468.39 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Atmos Energy ATO	HK$214.83 B	-52.74%	🇺🇸 USA
Sempra SRE	HK$417.91 B	-8.07%	🇺🇸 USA
Western Midstream WES	HK$151.20 B	-66.74%	🇺🇸 USA
UGI Corporation UGI	HK$64.19 B	-85.88%	🇺🇸 USA
Southwest Gas SWX	HK$49.09 B	-89.20%	🇺🇸 USA
Sea Limited SE	HK$498.27 B	9.61%	🇸🇬 Singapore
National Fuel Gas NFG	HK$59.92 B	-86.82%	🇺🇸 USA
EQT Corporation EQT	HK$246.28 B	-45.82%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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