Market capitalization of Occidental Petroleum (OXY)

Market cap: HK$448.96 Billion

As of November 2026 Occidental Petroleum has a market cap of HK$448.96 Billion. This makes Occidental Petroleum the world's 436th 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	HK$448.96 B	46.97%
2025	HK$305.47 B	-13.65%
2024	HK$353.75 B	-13.56%
2023	HK$409.24 B	-8.51%
2022	HK$447.32 B	111.88%
2021	HK$211.12 B	68.96%
2020	HK$124.95 B	-56.45%
2019	HK$286.96 B	-20.33%
2018	HK$360.20 B	-18.21%
2017	HK$440.40 B	4.33%
2016	HK$422.10 B	5.48%
2015	HK$400.18 B	-16.94%
2014	HK$481.82 B	-17.92%
2013	HK$586.99 B	22.72%
2012	HK$478.33 B	-19.03%
2011	HK$590.78 B	-4.79%
2010	HK$620.51 B	21.16%
2009	HK$512.13 B	36.41%
2008	HK$375.43 B	-24.52%
2007	HK$497.39 B	55.72%
2006	HK$319.42 B	28.23%
2005	HK$249.10 B	38.45%
2004	HK$179.92 B	41.98%
2003	HK$126.72 B	51.16%
2002	HK$83.83 B	8.32%
2001	HK$77.39 B	10.6%
2000	HK$69.97 B	13.21%
1999	HK$61.81 B	35.96%
1998	HK$45.46 B	-41.33%
1997	HK$77.49 B	30.18%
1996	HK$59.52 B

End of Day market cap according to different sources

On Nov 11th, 2026 the market cap of Occidental Petroleum was reported to be:

HK$448.33 Billion

by Nasdaq

HK$448.96 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
APA Corporation APA	HK$123.10 B	-72.58%	🇺🇸 USA
ConocoPhillips COP	HK$1.278 T	184.79%	🇺🇸 USA
EOG Resources EOG	HK$625.40 B	39.30%	🇺🇸 USA
Marathon Oil MRO	HK$125.28 B	-72.09%	🇺🇸 USA
Williams Companies WMB	HK$675.89 B	50.55%	🇺🇸 USA
Exxon Mobil XOM	HK$5.334 T	1,088.19%	🇺🇸 USA
Chevron CVX	HK$3.264 T	627.13%	🇺🇸 USA
Devon Energy DVN	HK$401.86 B	-10.49%	🇺🇸 USA
Hess HES	HK$361.40 B	-19.50%	🇺🇸 USA
Southwestern Energy SWN	HK$61.51 B	-86.30%	🇺🇸 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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