Fusion Fuel Green (HTOO) Stock Chart & Stock Price History $2.94 -0.05 (-1.67%) Closing price 05/18/2026 04:00 PM EasternExtended Trading$2.88 -0.06 (-1.87%) As of 04:28 AM 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 Massive. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesSEC FilingsShort InterestTrendsBuy This Stock Fusion Fuel Green Stock Price Performance The Fusion Fuel Green (HTOO) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 74.24%, with a year-to-date return of -11.71%. In the past month, the stock has decreased 2.97%, reflecting recent market activity. As of the latest close, Fusion Fuel Green traded at $2.94 with a market cap of $8.88 million and volume of 15,320 shares. Five years ago, the stock traded at a split-adjusted price of $410.20, representing a 99.28% decrease over that period. At the time, it had a market cap of $128.15 million and a volume of 1,750 shares. Receive HTOO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Fusion Fuel Green and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By 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. 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Read our full terms of service and privacy policy. 5 Day Performance-2.33%1 Month Performance-2.97%3 Month Performance-13.53%Year-To-Date Performance-11.71%1 Year Performance-74.24%5 Year Performance-99.28% HTOO Stock Chart for Tuesday, May, 19, 2026 HTOO Chart by TradingView Fusion Fuel Green 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 DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization05/18/2026$2.99$2.94-1.67%$3.00$2.8915,320 shs$8.88 million05/15/2026$3.01$2.99-0.66%$3.03$2.8045,551 shs$9.03 million05/14/2026$3.09$3.01-2.59%$3.04$2.9022,545 shs$9.08 million05/13/2026$3.00$3.09+3.00%$3.16$2.8944,785 shs$9.33 million05/12/2026$2.91$3.00+3.09%$3.00$2.8330,273 shs$9.06 million05/11/2026$2.73$2.91+6.59%$3.04$2.7475,941 shs$8.78 million05/08/2026$3.40$2.73-19.71%$3.54$2.55137,872 shs$10.26 million05/07/2026$3.37$3.40+0.89%$3.54$3.33208,002 shs$10.27 million05/06/2026$3.17$3.37+6.31%$3.45$3.2222,773 shs$10.18 million05/05/2026N/A$3.17$3.40$3.0717,627 shs$9.57 million Get the Latest News and Ratings for HTOO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Fusion Fuel Green and its competitors with MarketBeat's FREE daily newsletter. 04/30/2026$3.34$3.13-6.29%$3.38$3.0911,415 shs$9.45 million04/29/2026$3.39$3.34-1.47%$3.49$3.309,636 shs$10.08 million04/28/2026$3.44$3.39-1.45%$3.58$3.3941,734 shs$10.24 million04/27/2026$3.43$3.44+0.29%$3.48$3.3520,091 shs$10.39 million04/24/2026$3.40$3.43+0.88%$3.45$3.0347,174 shs$10.36 million04/23/2026$3.23$3.40+5.26%$3.45$3.1558,714 shs$10.26 million04/22/2026$3.23$3.23$3.32$3.1210,246 shs$9.76 million04/21/2026$3.20$3.23+0.94%$3.35$3.0312,174 shs$9.76 million04/20/2026$3.03$3.20+5.61%$3.45$2.99123,077 shs$9.66 million Related Companies MKDW Stock Chart LASE Stock Chart EFOI Stock Chart EMAT Stock Chart WTMA Stock Chart DFLI Stock Chart FLUX Stock Chart GAUZ Stock Chart GWH Stock Chart EPOW Stock Chart Receive HTOO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Fusion Fuel Green and its competitors with MarketBeat's FREE daily newsletter. This page (NASDAQ:HTOO) was last updated on 5/19/2026 by MarketBeat.com Staff. 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