Metric Finance
LearnFAQ
LearnFAQ

Learn / OII

NYSE: OII

Oceaneering International (OII) stock, explained like you're 5

Oceaneering International trades on the New York Stock Exchange under the ticker OII. It is a mid cap company in the oilfield services/equipment industry, part of the energy sector, with a market value of about 4.5 billion dollars.

Ticker
OII
Exchange
New York Stock Exchange
Sector
Energy
Industry
Oilfield Services/Equipment
Size
Mid cap, about 4.5 billion dollars

Is Oceaneering International a small, medium or large cap company?

No. Oceaneering International is a mid cap stock, not a large cap. Its market cap, which is the total value of all its shares, is about 4.5 billion dollars.

Here is how you can tell. Multiply the share price by the number of shares to get the market cap, then compare it to the usual sizes. Micro cap is under 300 million dollars, small cap is 300 million to 2 billion, mid cap is 2 to 10 billion, large cap is 10 billion and up, and mega cap is over 200 billion. Market caps move every day with the share price, so treat the number as a recent snapshot.

How Oceaneering International makes money

  • Producing, refining and moving oil and natural gas.
  • Selling fuel and related products.
  • Services for energy producers.

What moves OII stock

  • The price of oil and natural gas.
  • How much the company produces and what it costs.
  • Energy policy and global demand.

In the news lately

  • Oceaneering International, Inc. (OII) Stock Forecasts (Yahoo Finance)
  • What Has Actually Changed At Oceaneering International After A 91% Jump (Simply Wall Street)
  • Oceaneering International (NYSE:OII) Upgraded at Wall Street Zen (MarketBeat)
  • Oceaneering International, Inc. (OII) Stock Forecasts (Yahoo! Finance Canada)
  • Stock Traders Buy High Volume of Call Options on Oceaneering International (NYSE:OII) (MarketBeat)

Follow OII in your daily brief

Each trading day at 5 PM ET we post what happened to Oceaneering International and why it matters, in simple words. Free.

Start my free brief

Key terms to know before you follow OII

  • Market cap
  • P/E ratio
  • EPS (earnings per share)
  • Earnings report
  • Volatility

Questions about Oceaneering International stock

What does Oceaneering International do?

Oceaneering International trades on the New York Stock Exchange under the ticker OII. It is a mid cap company in the oilfield services/equipment industry, part of the energy sector, with a market value of about 4.5 billion dollars.

What is the ticker symbol for Oceaneering International?

Oceaneering International trades under the ticker OII on the New York Stock Exchange.

What is Oceaneering International's market cap?

Oceaneering International is a mid cap stock with a market cap of about 4.5 billion dollars.

How does Oceaneering International make money?

Producing, refining and moving oil and natural gas. Selling fuel and related products. Services for energy producers.

What moves OII stock?

The price of oil and natural gas. How much the company produces and what it costs. Energy policy and global demand.

How can I follow OII stock every day?

Add OII to your watchlist on Metric Finance. We post a free brief every trading day at 5 PM ET that explains what happened to the stocks you follow, in simple words.

Follow OII daily

A free brief on Oceaneering International and your other stocks, every trading day at 5 PM ET.

Start my free brief

Similar stocks

  • WBI · WaterBridge Infrastructure LLC
  • LBRT · Liberty Energy
  • WTTR · Select Water Solutions
  • NESR · National Energy Services Reunited

Similar stocks

  • WBIWaterBridge Infrastructure LLC
  • LBRTLiberty Energy
  • WTTRSelect Water Solutions
  • NESRNational Energy Services Reunited

Compare OII: OII vs WBI, OII vs LBRT, OII vs WTTR

Educational information, not financial advice. This guide explains the business in general terms and does not include live prices.

Metric Finance

Stocks explained like you're 5.

Product

  • Learn
  • FAQ
  • Your account

Legal

  • Privacy
  • Terms

Support

  • Contact
  • Unsubscribe

© 2026 Metric Finance

Built by Yashna & Vansh · Not investment advice · Market data may be delayed