Ocean Power Technologies (OPTT) Stock Chart & Stock Price History $0.52 -0.03 (-5.70%) Closing price 05/23/2025 04:00 PM EasternExtended Trading$0.52 0.00 (-0.69%) As of 05/23/2025 07:59 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 AnalysisChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsTrendsBuy 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 172.04%, with a year-to-date return of -49.06%. In the past month, the stock has increased 20.36%, reflecting recent market activity. As of the latest close, Ocean Power Technologies traded at $0.52 with a market cap of $89.40 million and volume of 2.95 million shares. Five years ago, the stock traded at $0.41, representing a 27.17% increase over that period. At the time, it had a market cap of $3.78 million and a volume of 209,130 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. Email Address 5 Day Performance-1.96%1 Month Performance+20.36%3 Month Performance-17.67%Year-To-Date Performance-49.06%1 Year Performance+172.04%5 Year Performance+27.17% OPTT Stock Chart for Sunday, May, 25, 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 Capitalization05/23/2025$0.55$0.52-5.70%$0.54$0.512.95 million shs$89.40 million05/22/2025$0.50$0.55+10.16%$0.56$0.474.18 million shs$94.80 million05/21/2025$0.53$0.50-5.62%$0.53$0.483.57 million shs$86.06 million05/20/2025$0.53$0.53+0.76%$0.54$0.512.80 million shs$91.19 million05/19/2025$0.57$0.53-8.31%$0.56$0.523.89 million shs$90.50 million05/16/2025$0.54$0.57+6.24%$0.59$0.543.69 million shs$98.71 million05/15/2025$0.57$0.54-5.66%$0.57$0.514.09 million shs$92.91 million05/14/2025$0.55$0.57+4.07%$0.62$0.566.87 million shs$98.48 million05/13/2025$0.50$0.55+11.11%$0.57$0.507.88 million shs$94.63 million05/12/2025$0.47$0.50+5.27%$0.52$0.473.53 million shs$85.17 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. 05/09/2025$0.47$0.47+0.58%$0.49$0.462.16 million shs$80.90 million05/08/2025$0.47$0.47-1.35%$0.49$0.462.48 million shs$80.43 million05/07/2025$0.44$0.47+6.57%$0.48$0.452.55 million shs$81.54 million05/06/2025$0.50$0.44-11.34%$0.50$0.434.45 million shs$76.51 million05/05/2025$0.43$0.50+15.74%$0.51$0.4512.40 million shs$86.30 million05/02/2025$0.43$0.43+1.71%$0.45$0.422.21 million shs$74.57 million05/01/2025$0.41$0.43+4.54%$0.43$0.401.89 million shs$73.31 million04/30/2025$0.41$0.41-0.78%$0.41$0.391.80 million shs$70.68 million04/29/2025$0.42$0.41-2.82%$0.42$0.401.16 million shs$70.68 million04/28/2025$0.43$0.42-2.08%$0.44$0.412.64 million shs$72.73 million04/25/2025$0.42$0.43+2.06%$0.48$0.427.86 million shs$74.27 million04/24/2025$0.40$0.42+4.94%$0.45$0.408.16 million shs$72.78 million Related Companies Montauk Renewables Stock Price Chart Global Water Resources Stock Price Chart Pure Cycle Stock Price Chart RGC Resources Stock Price Chart Stabilis Solutions Stock Price Chart SolarBank Stock Price Chart Spruce Power Stock Price Chart Eco Wave Power Global AB (publ) Stock Price Chart Crown LNG Stock Price Chart Sunnova Energy International 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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