Fuel Tech (FTEK) Stock Chart & Stock Price History $3.41 -0.11 (-3.04%) As of 11:27 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Fuel Tech Stock Price Performance The Fuel Tech (FTEK) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 228.17%, with a year-to-date return of 225.05%. In the past month, the stock has increased 23.21%, reflecting recent market activity. As of the latest close, Fuel Tech traded at $3.52 with a market cap of $109.37 million and volume of 459,720 shares. Five years ago, the stock traded at $0.67, representing a 410.24% increase over that period. At the time, it had a market cap of $16.52 million and a volume of 188,738 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+7.67%1 Month Performance+23.21%3 Month Performance+45.23%Year-To-Date Performance+225.05%1 Year Performance+228.17%5 Year Performance+410.24% FTEK Stock Chart for Wednesday, September, 24, 2025 FTEK Chart by TradingView Fuel Tech 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 Capitalization09/23/2025$3.41$3.52+3.23%$3.59$3.25459,720 shs$109.37 million09/22/2025$3.17$3.41+7.57%$3.50$3.10543,685 shs$105.95 million09/19/2025$3.32$3.17-4.52%$3.33$3.15183,232 shs$98.49 million09/18/2025$3.05$3.32+8.85%$3.32$2.94490,046 shs$103.17 million09/17/2025$3.28$3.05-7.01%$3.29$2.99486,917 shs$94.76 million09/16/2025$3.55$3.28-7.61%$3.55$3.16640,490 shs$101.91 million09/15/2025$3.63$3.55-2.20%$3.64$3.40344,127 shs$110.31 million09/12/2025$3.39$3.63+7.08%$3.65$3.41798,617 shs$112.80 million09/11/2025$3.18$3.39+6.60%$3.42$3.04562,435 shs$105.33 million09/10/2025$2.97$3.18+7.07%$3.29$2.94481,243 shs$98.80 million Get the Latest News and Ratings for FTEK and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Fuel Tech and its competitors with MarketBeat's FREE daily newsletter. 09/09/2025$2.87$2.97+3.48%$3.04$2.86411,461 shs$92.29 million09/08/2025$2.87$2.87$2.95$2.84147,169 shs$89.17 million09/05/2025$2.89$2.87-0.69%$2.97$2.71290,564 shs$89.17 million09/04/2025$2.86$2.89+1.05%$2.90$2.78173,568 shs$89.79 million09/03/2025$2.89$2.86-1.04%$2.91$2.78138,013 shs$88.86 million09/02/2025$2.92$2.89-1.03%$3.00$2.86101,568 shs$89.79 million09/01/2025$2.92$2.92$3.03$2.88183,369 shs$90.72 million08/29/2025$3.00$2.92-2.67%$3.03$2.88183,369 shs$90.72 million08/28/2025$2.91$3.00+3.09%$3.03$2.79227,411 shs$93.21 million08/27/2025$3.14$2.91-7.32%$3.25$2.88360,971 shs$90.43 million08/26/2025$2.74$3.14+14.60%$3.14$2.76456,078 shs$97.56 million08/25/2025$2.77$2.74-1.08%$2.85$2.68199,871 shs$85.13 million Related Companies AZ Stock Chart PDYN Stock Chart AIRJ Stock Chart GENC Stock Chart OMSE Stock Chart PPIH Stock Chart TAYD Stock Chart ASYS Stock Chart LSE Stock Chart DTI Stock Chart Receive FTEK Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Fuel Tech and its competitors with MarketBeat's FREE daily newsletter. 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