Ocean Power Technologies (OPTT) Stock Chart & Stock Price History $0.59 +0.02 (+3.31%) As of 11:29 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Ocean Power Technologies Stock Price Performance The Ocean Power Technologies (OPTT) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 204.26%, with a year-to-date return of -41.86%. In the past month, the stock has increased 21.12%, reflecting recent market activity. As of the latest close, Ocean Power Technologies traded at $0.57 with a market cap of $103.69 million and volume of 6.23 million shares. Five years ago, the stock traded at $0.84, representing a 29.40% decrease over that period. At the time, it had a market cap of $14.38 million and a volume of 622,921 shares. Receive OPTT Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Ocean Power Technologies and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. 5 Day Performance+13.45%1 Month Performance+21.12%3 Month Performance+14.26%Year-To-Date Performance-41.86%1 Year Performance+204.26%5 Year Performance-29.40% OPTT Stock Chart for Monday, September, 15, 2025 OPTT Chart by TradingView Ocean Power Technologies 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 Capitalization09/12/2025$0.57$0.57+0.35%$0.58$0.546.23 million shs$103.69 million09/11/2025$0.52$0.57+9.43%$0.58$0.536.45 million shs$103.33 million09/10/2025$0.50$0.52+4.85%$0.54$0.505.35 million shs$94.42 million09/09/2025$0.50$0.50-0.06%$0.50$0.492.38 million shs$90.05 million09/08/2025$0.50$0.50-0.14%$0.52$0.502.81 million shs$90.11 million09/05/2025$0.51$0.50-2.71%$0.52$0.501.99 million shs$90.23 million09/04/2025$0.51$0.51+0.69%$0.52$0.492.81 million shs$92.74 million09/03/2025$0.51$0.51-0.64%$0.53$0.512.00 million shs$92.11 million09/02/2025$0.52$0.51-1.12%$0.52$0.503.10 million shs$92.71 million09/01/2025$0.52$0.52$0.55$0.514.25 million shs$93.76 million Get the Latest News and Ratings for OPTT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Ocean Power Technologies and its competitors with MarketBeat's FREE daily newsletter. 08/29/2025$0.54$0.52-4.67%$0.55$0.514.25 million shs$93.76 million08/28/2025$0.54$0.54+0.09%$0.55$0.533.57 million shs$98.34 million08/27/2025$0.52$0.54+5.37%$0.58$0.5210.99 million shs$98.25 million08/26/2025$0.51$0.52+1.20%$0.54$0.514.01 million shs$93.25 million08/25/2025$0.50$0.51+1.39%$0.52$0.502.71 million shs$92.15 million08/22/2025$0.48$0.50+5.05%$0.51$0.483.13 million shs$90.88 million08/21/2025$0.48$0.48-1.20%$0.50$0.481.97 million shs$86.51 million08/20/2025$0.49$0.48-0.76%$0.49$0.472.26 million shs$87.56 million08/19/2025$0.51$0.49-3.63%$0.52$0.483.69 million shs$88.23 million08/18/2025$0.49$0.51+3.51%$0.51$0.493.04 million shs$91.55 million08/15/2025$0.50$0.49-1.31%$0.51$0.492.04 million shs$88.44 million08/14/2025$0.51$0.50-2.34%$0.52$0.492.54 million shs$89.62 million Related Companies Montauk Renewables Stock Price Chart Global Water Resources Stock Price Chart Pure Cycle Stock Price Chart RGC Resources Stock Price Chart Alternus Clean Energy Stock Price Chart PowerBank Stock Price Chart Stabilis Solutions Stock Price Chart Vivopower International Stock Price Chart Eco Wave Power Global AB (publ) Stock Price Chart Spruce Power Stock Price Chart Receive OPTT Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Ocean Power Technologies and its competitors with MarketBeat's FREE daily newsletter. 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