Research Frontiers (REFR) Stock Chart & Stock Price History $1.80 +0.01 (+0.56%) Closing price 07/18/2025 04:00 PM EasternExtended Trading$1.78 -0.03 (-1.39%) As of 07/18/2025 04:04 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 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 9.09%, with a year-to-date return of 5.26%. In the past month, the stock has increased 2.86%, reflecting recent market activity. As of the latest close, Research Frontiers traded at $1.80 with a market cap of $60.33 million and volume of 9,987 shares. Five years ago, the stock traded at $3.31, representing a 45.62% decrease over that period. At the time, it had a market cap of $103.65 million and a volume of 128,200 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. Email Address 5 Day Performance+12.50%1 Month Performance+2.86%3 Month Performance+76.47%Year-To-Date Performance+5.26%1 Year Performance-9.09%5 Year Performance-45.62% REFR Stock Chart for Saturday, July, 19, 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 Capitalization07/18/2025$1.79$1.80+0.56%$1.83$1.729,987 shs$60.33 million07/17/2025$1.76$1.79+1.70%$1.95$1.7158,456 shs$60.00 million07/16/2025$1.66$1.76+6.02%$1.82$1.6575,912 shs$59.00 million07/15/2025$1.60$1.66+3.75%$1.68$1.6020,543 shs$55.64 million07/14/2025$1.58$1.60+1.27%$1.71$1.5651,802 shs$53.63 million07/11/2025$1.59$1.58-0.63%$1.71$1.5712,016 shs$52.96 million07/10/2025$1.51$1.59+5.29%$1.65$1.5311,423 shs$53.30 million07/09/2025$1.49$1.51+1.35%$1.55$1.4825,713 shs$50.62 million07/08/2025$1.57$1.49-5.10%$1.59$1.4968,297 shs$49.94 million07/07/2025$1.62$1.57-3.15%$1.71$1.5246,541 shs$52.63 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. 07/04/2025$1.62$1.62$1.70$1.6012,228 shs$54.34 million07/03/2025$1.61$1.62+0.68%$1.70$1.6012,228 shs$54.34 million07/02/2025$1.55$1.61+3.87%$1.70$1.5810,203 shs$53.97 million07/01/2025$1.64$1.55-5.49%$1.63$1.5416,005 shs$51.96 million06/30/2025$1.65$1.64-0.61%$1.72$1.5741,723 shs$54.97 million06/27/2025$1.68$1.65-1.79%$1.78$1.6424,869 shs$55.31 million06/26/2025$1.67$1.68+0.60%$1.78$1.6714,535 shs$56.31 million06/25/2025$1.81$1.67-7.73%$1.84$1.6613,651 shs$55.98 million06/24/2025$1.68$1.81+7.74%$1.81$1.6041,872 shs$60.67 million06/23/2025$1.74$1.68-3.45%$1.82$1.6034,052 shs$56.31 million06/20/2025$1.75$1.74-0.57%$1.75$1.6533,089 shs$58.33 million06/19/2025$1.75$1.75$1.77$1.6743,149 shs$58.66 million06/18/2025$1.78$1.75-1.69%$1.77$1.6743,149 shs$58.66 million Related Companies Ellington Credit Stock Price Chart Melar Acquisition Corp. 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