Oceaneering International
OII
#3529
Rank
โ‚น392.33 B
Marketcap
โ‚น3,942
Share price
-0.54%
Change (1 day)
92.67%
Change (1 year)

Market capitalization of Oceaneering International (OII)

Market cap: โ‚น392.33 Billion

As of October 2026 Oceaneering International has a market cap of โ‚น392.33 Billion. This makes Oceaneering International the world's 3529th 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 2026

End of year Market Cap

Year Marketcap Change
2026โ‚น392.33 B80.52%
2025โ‚น217.33 B-0.52%
2024โ‚น218.47 B22.44%
2023โ‚น178.43 B22.97%
2022โ‚น145.10 B72.72%
2021โ‚น84.01 B45.51%
2020โ‚น57.73 B-45.11%
2019โ‚น105.18 B26.17%
2018โ‚น83.37 B-37.15%
2017โ‚น132.65 B-29.43%
2016โ‚น187.99 B-22.95%
2015โ‚น243.97 B-34.29%
2014โ‚น371.28 B-29.58%
2013โ‚น527.26 B65.91%
2012โ‚น317.80 B20.55%
2011โ‚น263.63 B47.66%
2010โ‚น178.54 B19.73%
2009โ‚น149.11 B95.44%
2008โ‚น76.29 B-47.59%
2007โ‚น145.57 B52.08%
2006โ‚น95.72 B59.57%
2005โ‚น59.98 B43.75%
2004โ‚น41.73 B34.25%
2003โ‚น31.08 B6.96%
2002โ‚น29.06 B14.57%
2001โ‚น25.36 B21.37%
2000โ‚น20.90 B41.21%
1999โ‚น14.80 B2.52%
1998โ‚น14.43 B-18.81%
1997โ‚น17.78 B33.29%
1996โ‚น13.34 B

End of Day market cap according to different sources

On Oct 28th, 2026 the market cap of Oceaneering International was reported to be:

โ‚น394.16 Billion
by Nasdaq info icon info icon
โ‚น394.47 Billion
by CompaniesMarketCap info icon info icon

Market capitalization for similar companies or competitors

Name Marketcap Market cap differencediff. Country
Halliburton
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โ‚น2.830 T 621.40%๐Ÿ‡บ๐Ÿ‡ธ USA
Forum Energy Technologies
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โ‚น96.73 B-75.35%๐Ÿ‡บ๐Ÿ‡ธ USA
Tetra Technologies
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โ‚น84.41 B-78.48%๐Ÿ‡บ๐Ÿ‡ธ USA
Helix Energy Solutions
HLX
โ‚น148.80 B-62.07%๐Ÿ‡บ๐Ÿ‡ธ USA