Occidental Petroleum (OXY) - Market capitalization

Market cap: C$56.68 Billion

As of December 2025 Occidental Petroleum has a market cap of C$56.68 Billion. This makes Occidental Petroleum the world's 562th 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	C$56.68 B	-13.3%
2024	C$65.38 B	-5.92%
2023	C$69.50 B	-10.54%
2022	C$77.68 B	125.14%
2021	C$34.50 B	67.89%
2020	C$20.55 B	-57.29%
2019	C$48.12 B	-23.2%
2018	C$62.65 B	-11.59%
2017	C$70.86 B	-3.12%
2016	C$73.14 B	2.13%
2015	C$71.62 B	-0.64%
2014	C$72.08 B	-10.54%
2013	C$80.58 B	31.32%
2012	C$61.36 B	-20.69%
2011	C$77.37 B	-2.92%
2010	C$79.70 B	14.68%
2009	C$69.49 B	17.65%
2008	C$59.07 B	-7.18%
2007	C$63.64 B	33.09%
2006	C$47.81 B	27.83%
2005	C$37.40 B	34.51%
2004	C$27.80 B	31.13%
2003	C$21.20 B	24.91%
2002	C$16.97 B	7.38%
2001	C$15.81 B	17.63%
2000	C$13.44 B	17.14%
1999	C$11.47 B	27.19%
1998	C$9.02 B	-36.85%
1997	C$14.28 B	35.54%
1996	C$10.54 B

End of Day market cap according to different sources

On Dec 9th, 2025 the market cap of Occidental Petroleum was reported to be:

C$56.70 Billion

by Nasdaq

C$56.68 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Marathon Oil MRO	C$22.11 B	-60.98%	🇺🇸 USA
ConocoPhillips COP	C$161.58 B	185.06%	🇺🇸 USA
Hess HES	C$63.80 B	12.55%	🇺🇸 USA
Chevron CVX	C$414.30 B	630.86%	🇺🇸 USA
Exxon Mobil XOM	C$698.11 B	1,131.52%	🇺🇸 USA
Devon Energy DVN	C$32.87 B	-42.00%	🇺🇸 USA
APA Corporation APA	C$13.07 B	-76.93%	🇺🇸 USA
EOG Resources EOG	C$82.70 B	45.90%	🇺🇸 USA
Southwestern Energy SWN	C$10.85 B	-80.84%	🇺🇸 USA
Williams Companies WMB	C$104.08 B	83.62%	🇺🇸 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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Market capitalization of Occidental Petroleum (OXY)

Market cap: C$56.68 Billion