ProPhase Labs (PRPH) Stock Chart & Stock Price History $0.31 -0.01 (-4.26%) Closing price 08/8/2025 03:59 PM EasternExtended Trading$0.33 +0.02 (+6.34%) As of 08/8/2025 07:56 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 87.66%, with a year-to-date return of -58.76%. In the past month, the stock has decreased 27.36%, reflecting recent market activity. As of the latest close, ProPhase Labs traded at $0.31 with a market cap of $12.97 million and volume of 371,601 shares. Five years ago, the stock traded at $1.94, representing a 83.91% decrease over that period. At the time, it had a market cap of $21.85 million and a volume of 500 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. Email Address 5 Day Performance+1.50%1 Month Performance-27.36%3 Month Performance+3.04%Year-To-Date Performance-58.76%1 Year Performance-87.66%5 Year Performance-83.91% PRPH Stock Chart for Sunday, August, 10, 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 Capitalization08/08/2025$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 million07/28/2025$0.47$0.44-4.74%$0.50$0.441.08 million shs$18.44 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. 07/25/2025$0.42$0.47+10.58%$0.48$0.42980,514 shs$19.36 million07/24/2025$0.44$0.42-3.10%$0.44$0.41549,295 shs$17.51 million07/23/2025$0.39$0.44+11.42%$0.45$0.382.09 million shs$18.07 million07/22/2025$0.40$0.39-3.10%$0.41$0.38714,951 shs$16.22 million07/21/2025$0.37$0.40+10.29%$0.43$0.373.50 million shs$16.74 million07/18/2025$0.37$0.37-2.17%$0.39$0.35737,926 shs$15.18 million07/17/2025$0.37$0.37+0.38%$0.39$0.35830,687 shs$15.51 million07/16/2025$0.42$0.37-10.58%$0.42$0.371.02 million shs$15.45 million07/15/2025$0.43$0.42-2.16%$0.43$0.40424,770 shs$17.28 million07/14/2025$0.42$0.43+0.40%$0.44$0.41369,637 shs$17.66 million07/11/2025$0.43$0.42-1.47%$0.44$0.42354,394 shs$17.59 million07/10/2025$0.42$0.43+1.34%$0.44$0.42277,317 shs$17.85 million07/09/2025$0.43$0.42-2.28%$0.45$0.42454,699 shs$17.62 million Related Companies ANL Stock Chart UNCY Stock Chart TELO Stock Chart VRCA Stock Chart HOWL Stock Chart ATNM Stock Chart ZIVO Stock Chart LTRN Stock Chart DTIL Stock Chart KLRS 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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