Phio Pharmaceuticals (PHIO) Stock Chart & Stock Price History $2.32 -0.05 (-1.91%) As of 01:15 PM Eastern This is a fair market value 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 19.90%, with a year-to-date return of 28.61%. In the past month, the stock has increased 13.48%, reflecting recent market activity. As of the latest close, Phio Pharmaceuticals traded at $2.36 with a market cap of $13.52 million and volume of 89,626 shares. Five years ago, the stock traded at a split-adjusted price of $19.80, representing a 88.31% decrease over that period. At the time, it had a market cap of $12.72 million and a volume of 14,302 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. 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. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. 5 Day Performance-3.14%1 Month Performance+13.48%3 Month Performance-9.22%Year-To-Date Performance+28.61%1 Year Performance-19.90%5 Year Performance-88.31% PHIO Stock Chart for Tuesday, October, 7, 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 Capitalization10/06/2025$2.39$2.36-1.26%$2.37$2.2689,626 shs$13.52 million10/03/2025$2.39$2.39$2.45$2.3375,347 shs$13.70 million10/02/2025$2.42$2.39-1.24%$2.42$2.30116,491 shs$13.70 million10/01/2025$2.48$2.42-2.42%$2.48$2.3875,273 shs$13.86 million09/30/2025$2.36$2.48+5.08%$2.56$2.32545,871 shs$14.21 million09/29/2025$2.23$2.36+5.83%$2.39$2.13608,189 shs$13.52 million09/26/2025$2.20$2.23+1.36%$2.26$2.1690,817 shs$12.78 million09/25/2025$2.23$2.20-1.35%$2.25$2.1657,345 shs$12.60 million09/24/2025$2.17$2.23+2.76%$2.24$2.1541,159 shs$12.78 million09/23/2025$2.24$2.17-3.13%$2.26$2.13117,470 shs$12.43 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. 09/22/2025$2.07$2.24+8.21%$2.24$2.12112,636 shs$12.83 million09/19/2025$2.11$2.07-1.90%$2.13$2.03103,489 shs$11.86 million09/18/2025$2.11$2.11$2.13$2.03101,377 shs$12.09 million09/17/2025$2.16$2.11-2.31%$2.17$2.0852,896 shs$12.09 million09/16/2025$2.13$2.16+1.41%$2.19$2.1166,689 shs$12.37 million09/15/2025$2.18$2.13-2.29%$2.20$2.06107,826 shs$12.21 million09/12/2025$2.32$2.18-6.03%$2.32$2.15115,295 shs$12.49 million09/11/2025$2.47$2.32-6.07%$2.47$2.30113,527 shs$13.29 million09/10/2025$2.44$2.47+1.23%$2.57$2.33232,039 shs$14.15 million09/09/2025$2.12$2.44+15.09%$2.46$2.11353,822 shs$13.98 million09/08/2025$2.04$2.12+3.92%$2.15$2.01126,786 shs$12.15 million Related Companies ATNM Stock Chart FGEN Stock Chart BRNS Stock Chart LTRN Stock Chart PDSB Stock Chart AADI Stock Chart MDCX Stock Chart NBRV Stock Chart SCYX Stock Chart TELO 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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