ProPhase Labs (PRPH) Stock Chart & Stock Price History $0.34 -0.01 (-2.42%) Closing price 08/29/2025 04:00 PM EasternExtended Trading$0.33 -0.01 (-2.10%) As of 08/29/2025 07:34 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 AnalysisChartCompetitorsEarningsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock ProPhase Labs Stock Price Performance The ProPhase Labs (PRPH) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 87.43%, with a year-to-date return of -55.34%. In the past month, the stock has decreased 5.00%, reflecting recent market activity. As of the latest close, ProPhase Labs traded at $0.34 with a market cap of $14.05 million and volume of 259,758 shares. Five years ago, the stock traded at $2.75, representing a 87.71% decrease over that period. At the time, it had a market cap of $31.90 million and a volume of 11,271 shares. Receive PRPH Stock News and Ratings via EmailSign-up to receive the latest news and ratings for ProPhase Labs 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+0.77%1 Month Performance-5.00%3 Month Performance-10.77%Year-To-Date Performance-55.34%1 Year Performance-87.43%5 Year Performance-87.71% PRPH Stock Chart for Saturday, August, 30, 2025 PRPH Chart by TradingView ProPhase Labs 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$0.35$0.34-2.42%$0.35$0.33259,758 shs$14.05 million08/28/2025$0.33$0.35+5.35%$0.35$0.33988,677 shs$14.39 million08/27/2025$0.34$0.33-4.17%$0.35$0.33612,783 shs$13.66 million08/26/2025$0.34$0.34+2.30%$0.35$0.33723,733 shs$14.26 million08/25/2025$0.33$0.34+2.04%$0.35$0.33682,379 shs$13.94 million08/22/2025$0.34$0.33-1.88%$0.34$0.32686,071 shs$13.66 million08/21/2025$0.33$0.34+1.61%$0.35$0.32692,648 shs$13.92 million08/20/2025$0.31$0.33+5.54%$0.33$0.31956,433 shs$13.70 million08/19/2025$0.33$0.31-6.44%$0.33$0.311.16 million shs$12.98 million08/18/2025$0.35$0.33-4.38%$0.36$0.331.25 million shs$13.88 million Get the Latest News and Ratings for PRPH and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ProPhase Labs and its competitors with MarketBeat's FREE daily newsletter. 08/15/2025$0.33$0.35+5.05%$0.35$0.323.56 million shs$14.51 million08/14/2025$0.33$0.33+1.56%$0.34$0.313.38 million shs$13.81 million08/13/2025$0.35$0.33-7.51%$0.37$0.3112.65 million shs$13.60 million08/12/2025$0.28$0.35+25.67%$0.44$0.34272.67 million shs$14.71 million08/11/2025$0.31$0.28-9.77%$0.33$0.281.54 million shs$11.70 million08/08/2025$0.33$0.31-4.26%$0.34$0.31371,601 shs$12.97 million08/07/2025$0.32$0.33+3.03%$0.35$0.32390,983 shs$13.55 million08/06/2025$0.31$0.32+2.89%$0.32$0.31226,571 shs$13.15 million08/05/2025$0.31$0.31-0.81%$0.32$0.30476,467 shs$12.78 million08/04/2025$0.33$0.31-4.91%$0.33$0.31712,862 shs$12.88 million08/01/2025$0.36$0.33-9.34%$0.36$0.32785,137 shs$13.55 million07/31/2025$0.36$0.36+1.07%$0.36$0.34444,370 shs$14.94 million07/30/2025$0.35$0.36+1.60%$0.39$0.35974,012 shs$14.78 million07/29/2025$0.44$0.35-21.10%$0.44$0.343.17 million shs$14.55 million Related Companies KPTI Stock Chart NRXP Stock Chart VRCA Stock Chart VTVT Stock Chart LTRN Stock Chart BRNS Stock Chart JSPR Stock Chart KLRS Stock Chart TELO Stock Chart IPSC Stock Chart Receive PRPH Stock News and Ratings via EmailSign-up to receive the latest news and ratings for ProPhase Labs and its competitors with MarketBeat's FREE daily newsletter. 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