Fuel Tech (FTEK) Stock Chart & Stock Price History $2.86 -0.03 (-1.04%) Closing price 04:00 PM EasternExtended Trading$2.85 -0.01 (-0.35%) As of 05:09 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 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 188.86%, with a year-to-date return of 172.38%. In the past month, the stock has increased 11.28%, reflecting recent market activity. As of the latest close, Fuel Tech traded at $2.89 with a market cap of $89.79 million and volume of 101,568 shares. Five years ago, the stock traded at $0.80, representing a 257.50% increase over that period. At the time, it had a market cap of $19 million and a volume of 82,204 shares. 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. 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. 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Read our full terms of service and privacy policy. 5 Day Performance-2.05%1 Month Performance+11.28%3 Month Performance+74.39%Year-To-Date Performance+172.38%1 Year Performance+188.86%5 Year Performance+257.50% FTEK Stock Chart for Wednesday, September, 3, 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 Capitalization09/02/2025$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 million08/22/2025$2.69$2.77+2.97%$2.82$2.66234,223 shs$86.06 million08/21/2025$2.64$2.69+1.89%$2.74$2.5552,093 shs$83.59 million08/20/2025$2.61$2.64+1.15%$2.67$2.46300,149 shs$82.03 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. 08/19/2025$2.81$2.61-7.12%$2.94$2.58296,271 shs$81.09 million08/18/2025$2.86$2.81-1.75%$2.89$2.75222,966 shs$87.32 million08/15/2025$2.85$2.86+0.35%$2.89$2.73178,735 shs$88.86 million08/14/2025$3.00$2.85-5.00%$2.98$2.80309,937 shs$88.56 million08/13/2025$3.05$3.00-1.64%$3.11$2.92258,702 shs$93.21 million08/12/2025$2.86$3.05+6.64%$3.05$2.89313,960 shs$94.76 million08/11/2025$3.00$2.86-4.67%$3.01$2.80375,252 shs$88.87 million08/08/2025$3.05$3.00-1.64%$3.30$2.96748,654 shs$93.22 million08/07/2025$2.94$3.05+3.74%$3.38$2.781.09 million shs$93.88 million08/06/2025$2.96$2.94-0.68%$3.22$2.232.28 million shs$90.49 million08/05/2025$2.80$2.96+5.71%$3.03$2.72683,043 shs$91.10 million08/04/2025$2.57$2.80+8.95%$2.88$2.55359,911 shs$86.18 million Related Companies PDYN Stock Chart RR Stock Chart AIRJ Stock Chart AZ Stock Chart OMSE Stock Chart PPIH Stock Chart GENC Stock Chart TAYD Stock Chart LSE Stock Chart ASYS 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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