ProPhase Labs (PRPH) Stock Chart & Stock Price History $0.31 -0.01 (-4.49%) As of 03:39 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartCompetitorsDividendEarningsHeadlinesOptions 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 93.70%, with a year-to-date return of -57.21%. In the past month, the stock has increased 4.45%, reflecting recent market activity. As of the latest close, ProPhase Labs traded at $0.33 with a market cap of $13.72 million and volume of 17.01 million shares. Five years ago, the stock traded at $1.70, representing a 80.94% decrease over that period. At the time, it had a market cap of $19.27 million and a volume of 2,800 shares. 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Email Address 5 Day Performance-16.28%1 Month Performance+4.45%3 Month Performance-39.33%Year-To-Date Performance-57.21%1 Year Performance-93.70%5 Year Performance-80.94% PRPH Stock Chart for Wednesday, May, 21, 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 Capitalization05/20/2025$0.32$0.33+2.21%$0.43$0.3017.01 million shs$13.72 million05/19/2025$0.39$0.32-17.16%$0.40$0.321.61 million shs$13.43 million05/16/2025$0.39$0.39-1.98%$0.47$0.363.38 million shs$16.21 million05/15/2025$0.37$0.39+7.28%$0.40$0.35729,449 shs$16.53 million05/14/2025$0.34$0.37+8.24%$0.38$0.32762,714 shs$15.41 million05/13/2025$0.33$0.34+3.98%$0.35$0.30968,851 shs$14.24 million05/12/2025$0.30$0.33+7.92%$0.33$0.30587,952 shs$13.69 million05/09/2025$0.31$0.30-1.94%$0.33$0.291.07 million shs$12.69 million05/08/2025$0.29$0.31+8.04%$0.31$0.28618,746 shs$12.94 million05/07/2025$0.27$0.29+5.73%$0.31$0.271.45 million shs$11.98 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. 05/06/2025$0.29$0.27-8.18%$0.32$0.271.22 million shs$11.33 million05/05/2025$0.33$0.29-10.92%$0.33$0.29786,592 shs$12.34 million05/02/2025$0.32$0.33+2.45%$0.34$0.32346,955 shs$13.85 million05/01/2025$0.35$0.32-7.24%$0.34$0.30739,074 shs$13.52 million04/30/2025$0.34$0.35+2.47%$0.35$0.32678,962 shs$14.57 million04/29/2025$0.35$0.34-3.05%$0.36$0.32337,120 shs$14.22 million04/28/2025$0.37$0.35-5.04%$0.37$0.35257,401 shs$14.67 million04/25/2025$0.34$0.37+10.05%$0.37$0.33258,300 shs$15.45 million04/24/2025$0.35$0.34-5.10%$0.36$0.33424,319 shs$14.04 million04/23/2025$0.35$0.35+0.91%$0.38$0.33596,190 shs$14.79 million04/22/2025$0.31$0.35+12.83%$0.36$0.291.69 million shs$14.66 million04/21/2025$0.29$0.31+6.97%$0.32$0.281.14 million shs$12.99 million Related Companies KPTI Stock Chart RENB Stock Chart ARTV Stock Chart OTLK Stock Chart VNRX Stock Chart PEPG Stock Chart ATNM Stock Chart STTK Stock Chart ICCC Stock Chart VRCA 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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