Research Frontiers (REFR) Stock Chart & Stock Price History $1.82 -0.07 (-3.70%) Closing price 10/10/2025 03:59 PM EasternExtended Trading$1.81 -0.01 (-0.55%) As of 10/10/2025 06:10 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 Research Frontiers Stock Price Performance The Research Frontiers (REFR) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 8.08%, with a year-to-date return of 6.43%. In the past month, the stock has increased 45.60%, reflecting recent market activity. As of the latest close, Research Frontiers traded at $1.82 with a market cap of $61.24 million and volume of 103,242 shares. Five years ago, the stock traded at $2.89, representing a 37.02% decrease over that period. At the time, it had a market cap of $91.26 million and a volume of 98,903 shares. Receive REFR Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Research Frontiers 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+1.68%1 Month Performance+45.60%3 Month Performance+15.19%Year-To-Date Performance+6.43%1 Year Performance-8.08%5 Year Performance-37.02% REFR Stock Chart for Sunday, October, 12, 2025 REFR Chart by TradingView Research Frontiers 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 Capitalization10/10/2025$1.89$1.82-3.70%$1.94$1.75103,242 shs$61.24 million10/09/2025$1.88$1.89+0.53%$1.92$1.8156,301 shs$63.60 million10/08/2025$1.79$1.88+5.03%$1.88$1.6364,187 shs$63.26 million10/07/2025$1.54$1.79+16.23%$1.79$1.47115,483 shs$60.23 million10/06/2025$1.44$1.54+6.94%$1.57$1.4068,351 shs$51.82 million10/03/2025$1.45$1.44-0.69%$1.55$1.4347,068 shs$48.45 million10/02/2025$1.57$1.45-7.64%$1.60$1.4463,511 shs$48.79 million10/01/2025$1.59$1.57-1.26%$1.61$1.5216,747 shs$52.83 million09/30/2025$1.51$1.59+5.30%$1.65$1.5286,448 shs$53.50 million09/29/2025$1.54$1.51-1.95%$1.61$1.5035,157 shs$50.81 million Get the Latest News and Ratings for REFR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Research Frontiers and its competitors with MarketBeat's FREE daily newsletter. 09/26/2025$1.56$1.54-1.28%$1.66$1.4824,762 shs$51.82 million09/25/2025$1.69$1.56-7.69%$1.68$1.5074,957 shs$52.49 million09/24/2025$1.42$1.69+19.01%$1.73$1.42156,701 shs$56.87 million09/23/2025$1.41$1.42+0.71%$1.44$1.3827,688 shs$47.78 million09/22/2025$1.43$1.41-1.40%$1.45$1.3729,117 shs$47.45 million09/19/2025$1.40$1.43+2.14%$1.43$1.3558,185 shs$48.12 million09/18/2025$1.38$1.40+1.45%$1.45$1.3718,887 shs$47.11 million09/17/2025$1.35$1.38+2.22%$1.42$1.3511,239 shs$46.44 million09/16/2025$1.26$1.35+7.14%$1.35$1.2125,287 shs$45.43 million09/15/2025$1.25$1.26+0.80%$1.27$1.2143,083 shs$42.40 million09/12/2025$1.27$1.25-1.57%$1.29$1.2249,819 shs$42.06 million09/11/2025$1.29$1.27-1.55%$1.33$1.2710,233 shs$42.74 million Related Companies Melar Acquisition Corp. 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