Market capitalization of Occidental Petroleum (OXY)

Market cap: £27.97 Billion

As of April 2025 Occidental Petroleum has a market cap of £27.97 Billion. This makes Occidental Petroleum the world's 528th 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 Occidental Petroleum from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£27.97 B	-22.96%
2024	£36.31 B	-11.72%
2023	£41.13 B	-13.09%
2022	£47.32 B	135.93%
2021	£20.05 B	69.62%
2020	£11.82 B	-57.91%
2019	£28.09 B	-22.46%
2018	£36.23 B	-13.12%
2017	£41.70 B	-5.46%
2016	£44.11 B	26.61%
2015	£34.84 B	-12.68%
2014	£39.89 B	-13.06%
2013	£45.89 B	20.2%
2012	£38.18 B	-21.98%
2011	£48.93 B	-5.25%
2010	£51.65 B	26.55%
2009	£40.81 B	23.13%
2008	£33.14 B	3.23%
2007	£32.11 B	53.15%
2006	£20.96 B	12.54%
2005	£18.63 B	54.49%
2004	£12.06 B	31.96%
2003	£9.13 B	36.32%
2002	£6.70 B	-2.06%
2001	£6.84 B	13.88%
2000	£6.01 B	22.09%
1999	£4.92 B	39.53%
1998	£3.52 B	-42.03%
1997	£6.08 B	35.44%
1996	£4.49 B

End of Day market cap according to different sources

On Apr 15th, 2025 the market cap of Occidental Petroleum was reported to be:

£26.74 Billion

by Nasdaq

£27.97 Billion

by CompaniesMarketCap

£27.97 Billion

by Yahoo Finance

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Marathon Oil MRO	£12.03 B	-56.96%	🇺🇸 USA
ConocoPhillips COP	£81.68 B	192.03%	🇺🇸 USA
Hess HES	£29.66 B	6.04%	🇺🇸 USA
Chevron CVX	£177.14 B	533.31%	🇺🇸 USA
Exxon Mobil XOM	£336.15 B	1,101.76%	🇺🇸 USA
Devon Energy DVN	£13.94 B	-50.14%	🇺🇸 USA
Apache Corporation APA	£4.05 B	-85.49%	🇺🇸 USA
EOG Resources EOG	£44.68 B	59.75%	🇺🇸 USA
Southwestern Energy SWN	£5.91 B	-78.87%	🇺🇸 USA
Williams Companies WMB	£53.86 B	92.58%	🇺🇸 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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