Phio Pharmaceuticals (PHIO) Stock Chart & Stock Price History $2.33 -0.05 (-2.10%) Closing price 08/1/2025 04:00 PM EasternExtended Trading$2.32 -0.01 (-0.60%) As of 08/1/2025 07:44 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 ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Phio Pharmaceuticals Stock Price Performance The Phio Pharmaceuticals (PHIO) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 20.21%, with a year-to-date return of 29.44%. In the past month, the stock has decreased 6.05%, reflecting recent market activity. As of the latest close, Phio Pharmaceuticals traded at $2.33 with a market cap of $11.18 million and volume of 218,759 shares. Five years ago, the stock traded at a split-adjusted price of $22.32, representing a 89.56% decrease over that period. At the time, it had a market cap of $14.33 million and a volume of 29,289 shares. Receive PHIO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Phio Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-7.91%1 Month Performance-6.05%3 Month Performance+18.88%Year-To-Date Performance+29.44%1 Year Performance-20.21%5 Year Performance-89.56% PHIO Stock Chart for Saturday, August, 2, 2025 PHIO Chart by TradingView Phio Pharmaceuticals 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 Capitalization08/01/2025$2.38$2.33-2.10%$2.41$2.27218,759 shs$11.18 million07/31/2025$2.43$2.38-2.06%$2.52$2.32282,753 shs$11.42 million07/30/2025$2.54$2.43-4.33%$2.55$2.41224,672 shs$11.66 million07/29/2025$2.53$2.54+0.40%$2.70$2.40555,329 shs$12.19 million07/28/2025$2.74$2.53-7.66%$2.69$2.461.03 million shs$12.14 million07/25/2025$2.51$2.74+9.16%$3.48$2.5149.42 million shs$13.15 million07/24/2025$2.54$2.51-1.18%$2.58$2.4873,975 shs$12.05 million07/23/2025$2.52$2.54+0.79%$2.57$2.4091,931 shs$12.19 million07/22/2025$2.39$2.52+5.44%$2.54$2.3578,061 shs$12.09 million07/21/2025$2.45$2.39-2.45%$2.52$2.35122,939 shs$11.47 million Get the Latest News and Ratings for PHIO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Phio Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 07/18/2025$2.43$2.45+0.82%$2.49$2.40117,016 shs$11.76 million07/17/2025$2.38$2.43+2.10%$2.43$2.3664,020 shs$11.66 million07/16/2025$2.38$2.38$2.43$2.3447,334 shs$11.42 million07/15/2025$2.41$2.38-1.24%$2.41$2.3358,465 shs$11.42 million07/14/2025$2.31$2.41+4.33%$2.45$2.3164,491 shs$11.57 million07/11/2025$2.44$2.31-5.33%$2.44$2.31128,883 shs$11.09 million07/10/2025$2.49$2.44-2.01%$2.51$2.4061,791 shs$11.71 million07/09/2025$2.50$2.49-0.40%$2.53$2.4574,852 shs$11.95 million07/08/2025$2.55$2.50-1.96%$2.62$2.40183,897 shs$12 million07/07/2025$2.43$2.55+4.77%$2.60$2.34286,333 shs$12.24 million07/04/2025$2.43$2.43$2.49$2.3384,045 shs$11.68 million07/03/2025$2.48$2.43-1.85%$2.49$2.3384,045 shs$11.68 million07/02/2025$2.48$2.48$2.48$2.42137,533 shs$11.90 million07/01/2025$2.35$2.48+5.53%$2.53$2.30232,442 shs$11.90 million Related Companies PRLD Stock Chart KALA Stock Chart CGTX Stock Chart NRXP Stock Chart KLRS Stock Chart ABVC Stock Chart GANX Stock Chart OSTX Stock Chart SNTI Stock Chart VTVT Stock Chart Receive PHIO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Phio Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 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