Oceaneering International (OII) - Market capitalization

Market cap: HK$14.04 Billion

As of April 2025 Oceaneering International has a market cap of HK$14.04 Billion. This makes Oceaneering International the world's 4374th 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 Oceaneering International from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	HK$14.04 B	-28.94%
2024	HK$19.77 B	18.11%
2023	HK$16.74 B	22.18%
2022	HK$13.70 B	55.67%
2021	HK$8.80 B	43.81%
2020	HK$6.12 B	-46.73%
2019	HK$11.48 B	23.04%
2018	HK$9.33 B	-42.48%
2017	HK$16.23 B	-24.33%
2016	HK$21.45 B	-24.61%
2015	HK$28.45 B	-37.38%
2014	HK$45.43 B	-31.34%
2013	HK$66.18 B	47.1%
2012	HK$44.99 B	16.23%
2011	HK$38.70 B	24.83%
2010	HK$31.00 B	24.44%
2009	HK$24.91 B	103.14%
2008	HK$12.26 B	-57.59%
2007	HK$28.92 B	72.06%
2006	HK$16.80 B	62.63%
2005	HK$10.33 B	38.02%
2004	HK$7.48 B	41.5%
2003	HK$5.29 B	11.97%
2002	HK$4.72 B	15.29%
2001	HK$4.09 B	17.37%
2000	HK$3.49 B	32.05%
1999	HK$2.64 B	0.55%
1998	HK$2.63 B	-24.98%
1997	HK$3.50 B	22.16%
1996	HK$2.87 B

End of Day market cap according to different sources

On Apr 24th, 2025 the market cap of Oceaneering International was reported to be:

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Helix Energy Solutions HLX	HK$7.73 B	-44.95%	🇺🇸 USA
Tetra Technologies TTI	HK$2.69 B	-80.85%	🇺🇸 USA
Halliburton HAL	HK$141.81 B	909.42%	🇺🇸 USA
Forum Energy Technologies FET	HK$1.45 B	-89.65%	🇺🇸 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 Oceaneering International (OII)

Market cap: HK$14.04 Billion