Oceaneering International (OII) Stock Chart & Stock Price History $20.72 +0.47 (+2.30%) Closing price 06/10/2025 03:59 PM EasternExtended Trading$20.73 +0.02 (+0.07%) As of 06/10/2025 06:31 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Oceaneering International Stock Price Performance The Oceaneering International (OII) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 3.47%, with a year-to-date return of -20.57%. In the past month, the stock has increased 8.91%, reflecting recent market activity. As of the latest close, Oceaneering International traded at $20.72 with a market cap of $2.08 billion and volume of 473,281 shares. Five years ago, the stock traded at $7.54, representing a 174.73% increase over that period. At the time, it had a market cap of $777.27 million and a volume of 1.38 million shares. Receive OII Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Oceaneering International and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+2.35%1 Month Performance+8.91%3 Month Performance+7.97%Year-To-Date Performance-20.57%1 Year Performance-3.47%5 Year Performance+174.73% OII Stock Chart for Wednesday, June, 11, 2025 OII Chart by TradingView Oceaneering International Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization06/10/2025$20.27$20.72+2.22%$21.18$20.45473,281 shs$2.08 billion06/09/2025$20.24$20.27+0.12%$20.60$19.78611,276 shs$2.04 billion06/06/2025$20.07$20.24+0.86%$20.65$20.14619,940 shs$2.04 billion06/05/2025$19.77$20.07+1.51%$20.34$19.691.16 million shs$2.02 billion06/04/2025$20.27$19.77-2.44%$20.53$19.67477,093 shs$1.99 billion06/03/2025$19.28$20.27+5.11%$20.39$19.03552,497 shs$2.04 billion06/02/2025$19.09$19.28+1.00%$19.70$19.07525,653 shs$1.94 billion05/30/2025$19.38$19.09-1.50%$19.24$18.80966,144 shs$1.92 billion05/29/2025$19.07$19.38+1.63%$19.43$18.96548,170 shs$1.95 billion05/28/2025$19.24$19.07-0.88%$19.57$19.00576,143 shs$1.92 billion Get the Latest News and Ratings for OII and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Oceaneering International and its competitors with MarketBeat's FREE daily newsletter. 05/27/2025$19.00$19.24+1.29%$19.30$18.81588,252 shs$1.94 billion05/26/2025$19.00$19.00$19.02$18.46458,440 shs$1.91 billion05/23/2025$18.98$19.00+0.08%$19.02$18.46458,440 shs$1.91 billion05/22/2025$18.89$18.98+0.50%$19.10$18.45481,802 shs$1.91 billion05/21/2025$19.52$18.89-3.25%$19.53$18.80553,645 shs$1.90 billion05/20/2025$19.74$19.52-1.11%$19.77$19.49484,620 shs$1.96 billion05/19/2025$19.65$19.74+0.48%$19.77$19.06710,921 shs$1.99 billion05/16/2025$19.84$19.65-0.98%$19.95$19.41581,183 shs$1.98 billion05/15/2025$20.12$19.84-1.39%$19.91$19.46565,666 shs$2.00 billion05/14/2025$20.02$20.12+0.50%$20.34$19.77713,985 shs$2.02 billion05/13/2025$19.85$20.02+0.86%$20.20$19.87490,729 shs$2.01 billion05/12/2025$19.02$19.85+4.36%$20.64$19.62700,751 shs$2.00 billion Related Companies NOV Stock Price Chart Tidewater Stock Price Chart RPC Stock Price Chart Helix Energy Solutions Group Stock Price Chart TETRA Technologies Stock Price Chart Natural Gas Services Group Stock Price Chart Oil States International Stock Price Chart Forum Energy Technologies Stock Price Chart Gulf Island Fabrication Stock Price Chart Geospace Technologies Stock Price Chart Receive OII Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Oceaneering International and its competitors with MarketBeat's FREE daily newsletter. 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