Oceaneering International, Inc. (OII)

NYSE: OII · Real-Time Price · USD

34.99

+0.78 (2.28%)

At close: Mar 9, 2026, 4:00 PM EDT

35.45

+0.46 (1.30%)

After-hours: Mar 9, 2026, 5:10 PM EDT

Oceaneering International Market Cap

Oceaneering International has a market cap or net worth of $3.48 billion as of March 9, 2026. Its market cap has increased by 42.50% in one year.

Market Cap

3.48B

Enterprise Value

3.61B

1-Year Change

42.50%

Ranking

#1635

Market Cap Chart

Since December 1, 1998, Oceaneering International's market cap has increased from $286.30M to $3.48B, an increase of 1,114.74%. That is a compound annual growth rate of 9.59%.

Market Cap History

Date	Market Cap	% Change
Mar 6, 2026	3.40B	41.82%
Dec 31, 2025	2.40B	-9.03%
Dec 31, 2024	2.64B	22.96%
Dec 29, 2023	2.14B	22.24%
Dec 30, 2022	1.75B	55.36%
Dec 31, 2021	1.13B	42.96%
Dec 31, 2020	789.50M	-46.47%
Dec 31, 2019	1.48B	23.72%
Dec 31, 2018	1.19B	-42.62%
Dec 29, 2017	2.08B	-24.90%
Dec 30, 2016	2.77B	-24.64%
Dec 31, 2015	3.67B	-40.56%
Dec 31, 2014	6.18B	-27.64%
Dec 31, 2013	8.53B	47.04%
Dec 31, 2012	5.80B	16.47%
Dec 30, 2011	4.98B	25.08%
Dec 31, 2010	3.98B	24.06%
Dec 31, 2009	3.21B	102.33%
Dec 31, 2008	1.59B	-57.20%
Dec 31, 2007	3.71B	72.34%
Dec 29, 2006	2.15B	61.80%
Dec 30, 2005	1.33B	39.03%
Dec 31, 2004	956.80M	40.62%
Dec 31, 2003	680.40M	11.09%
Dec 31, 2002	612.50M	17.16%

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Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

Full Definition

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