CNOOC (0883.HK) - Market capitalization

Market cap: £131.40 Billion

As of March 2026 CNOOC has a market cap of £131.40 Billion. This makes CNOOC the world's 98th 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 CNOOC from 2004 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£131.40 B	35.24%
2025	£97.16 B	2.44%
2024	£94.85 B	45.53%
2023	£65.17 B	23.81%
2022	£52.64 B	54.55%
2021	£34.06 B	11.66%
2020	£30.50 B	-46.16%
2019	£56.65 B	4.25%
2018	£54.34 B	14.62%
2017	£47.41 B	4.77%
2016	£45.25 B	44.28%
2015	£31.36 B	-18.73%
2014	£38.59 B	-23.32%
2013	£50.33 B	-15.83%
2012	£59.79 B	19.09%
2011	£50.21 B	-26.76%
2010	£68.56 B	57.35%
2009	£43.57 B	52.6%
2008	£28.55 B	-23.13%
2007	£37.14 B	76.9%
2006	£20.99 B	32.79%
2005	£15.81 B	37.62%
2004	£11.49 B

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 CNOOC (0883.HK)