Market capitalization of Occidental Petroleum (OXY)

Market cap: S$64.29 Billion

As of June 2026 Occidental Petroleum has a market cap of S$64.29 Billion. This makes Occidental Petroleum the world's 506th 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 2026

End of year Market Cap

Year	Marketcap	Change
2026	S$64.29 B	27.55%
2025	S$50.40 B	-18.62%
2024	S$61.93 B	-10.5%
2023	S$69.20 B	-9.83%
2022	S$76.75 B	109.68%
2021	S$36.60 B	71.65%
2020	S$21.32 B	-57.07%
2019	S$49.67 B	-20.95%
2018	S$62.83 B	-16.65%
2017	S$75.39 B	-4.3%
2016	S$78.78 B	7.87%
2015	S$73.03 B	-11.02%
2014	S$82.07 B	-14.42%
2013	S$95.90 B	27.09%
2012	S$75.46 B	-23.39%
2011	S$98.50 B	-4.09%
2010	S$102.70 B	10.76%
2009	S$92.72 B	33.46%
2008	S$69.48 B	-24.31%
2007	S$91.79 B	45.77%
2006	S$62.97 B	17.73%
2005	S$53.49 B	41.63%
2004	S$37.77 B	35.98%
2003	S$27.77 B	48.91%
2002	S$18.65 B	1.52%
2001	S$18.37 B	18.16%
2000	S$15.55 B	17.38%
1999	S$13.24 B	36.74%
1998	S$9.68 B	-42.54%
1997	S$16.85 B	56.54%
1996	S$10.77 B

End of Day market cap according to different sources

On Jun 26th, 2026 the market cap of Occidental Petroleum was reported to be:

S$64.27 Billion

by Nasdaq

S$64.29 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
APA Corporation APA	S$15.08 B	-76.53%	🇺🇸 USA
ConocoPhillips COP	S$166.92 B	159.63%	🇺🇸 USA
EOG Resources EOG	S$91.32 B	42.04%	🇺🇸 USA
Marathon Oil MRO	S$20.65 B	-67.88%	🇺🇸 USA
Williams Companies WMB	S$123.22 B	91.66%	🇺🇸 USA
Exxon Mobil XOM	S$731.83 B	1,038.24%	🇺🇸 USA
Chevron CVX	S$440.53 B	585.18%	🇺🇸 USA
Devon Energy DVN	S$62.95 B	-2.08%	🇺🇸 USA
Hess HES	S$59.57 B	-7.34%	🇺🇸 USA
Southwestern Energy SWN	S$10.14 B	-84.23%	🇺🇸 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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