Research Frontiers (REFR) Stock Chart & Stock Price History $1.35 -0.12 (-8.16%) Closing price 08/29/2025 04:00 PM EasternExtended Trading$1.36 +0.01 (+0.74%) As of 08/29/2025 04:10 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 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 37.50%, with a year-to-date return of -21.05%. In the past month, the stock has decreased 18.67%, reflecting recent market activity. As of the latest close, Research Frontiers traded at $1.35 with a market cap of $45.43 million and volume of 52,246 shares. Five years ago, the stock traded at $2.30, representing a 41.30% decrease over that period. At the time, it had a market cap of $71.05 million and a volume of 156,684 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-2.17%1 Month Performance-18.67%3 Month Performance-25.82%Year-To-Date Performance-21.05%1 Year Performance-37.50%5 Year Performance-41.30% REFR Stock Chart for Saturday, August, 30, 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 Capitalization08/29/2025$1.47$1.35-8.16%$1.45$1.3552,246 shs$45.43 million08/28/2025$1.40$1.47+5.00%$1.47$1.4212,956 shs$49.47 million08/27/2025$1.40$1.40+0.14%$1.42$1.4010,741 shs$47.11 million08/26/2025$1.38$1.40+1.30%$1.44$1.3815,485 shs$47.04 million08/25/2025$1.40$1.38-1.43%$1.41$1.3727,303 shs$46.44 million08/22/2025$1.37$1.40+2.19%$1.45$1.3815,279 shs$47.11 million08/21/2025$1.39$1.37-1.44%$1.44$1.3722,394 shs$46.10 million08/20/2025$1.43$1.39-2.80%$1.44$1.3721,979 shs$46.77 million08/19/2025$1.47$1.43-2.72%$1.49$1.3884,010 shs$48.12 million08/18/2025$1.47$1.47$1.49$1.4735,467 shs$49.46 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. 08/15/2025$1.52$1.47-3.29%$1.56$1.4728,371 shs$49.46 million08/14/2025$1.51$1.52+0.66%$1.53$1.509,123 shs$51.15 million08/13/2025$1.50$1.51+0.67%$1.57$1.5017,800 shs$50.81 million08/12/2025$1.50$1.50$1.57$1.5020,000 shs$50.48 million08/11/2025$1.53$1.50-1.96%$1.54$1.5018,837 shs$50.28 million08/08/2025$1.57$1.53-2.55%$1.62$1.4949,882 shs$51.28 million08/07/2025$1.53$1.57+2.61%$1.61$1.5250,457 shs$52.63 million08/06/2025$1.57$1.53-2.55%$1.63$1.5228,828 shs$51.29 million08/05/2025$1.58$1.57-0.63%$1.65$1.5310,340 shs$52.62 million08/04/2025$1.60$1.58-1.25%$1.70$1.5263,931 shs$52.96 million08/01/2025$1.58$1.60+1.27%$1.65$1.5334,511 shs$53.63 million07/31/2025$1.66$1.58-4.82%$1.71$1.5894,884 shs$52.96 million07/30/2025$1.62$1.66+2.47%$1.66$1.608,900 shs$55.64 million07/29/2025$1.71$1.62-5.26%$1.69$1.6252,657 shs$54.30 million Related Companies Helix Acquisition Corp. 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