Assertio (ASRT) Stock Chart & Stock Price History $0.79 +0.02 (+2.05%) Closing price 04:00 PM EasternExtended Trading$0.78 0.00 (-0.61%) As of 07:51 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Assertio Stock Price Performance The Assertio (ASRT) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 36.63%, with a year-to-date return of -9.79%. In the past month, the stock has increased 8.67%, reflecting recent market activity. As of the latest close, Assertio traded at $0.77 with a market cap of $74.11 million and volume of 127,368 shares. Five years ago, the stock traded at $0.82, representing a 4.68% decrease over that period. At the time, it had a market cap of $68.73 million and a volume of 403,400 shares. Receive ASRT Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Assertio and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-3.36%1 Month Performance+8.67%3 Month Performance+10.63%Year-To-Date Performance-9.79%1 Year Performance-36.63%5 Year Performance-4.68% ASRT Stock Chart for Friday, August, 22, 2025 ASRT Chart by TradingView Assertio 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 Capitalization08/22/2025$0.77$0.79+2.05%$0.79$0.7697,435 shs$75.63 million08/21/2025$0.78$0.77-0.96%$0.78$0.76127,368 shs$74.11 million08/20/2025$0.78$0.78-0.89%$0.79$0.77163,679 shs$74.83 million08/19/2025$0.81$0.78-3.15%$0.82$0.78185,986 shs$75.50 million08/18/2025$0.81$0.81-0.38%$0.82$0.80101,706 shs$77.95 million08/15/2025$0.82$0.81-0.64%$0.82$0.81117,616 shs$78.25 million08/14/2025$0.81$0.82+0.74%$0.83$0.81216,099 shs$78.75 million08/13/2025$0.83$0.81-2.13%$0.86$0.81769,727 shs$77.80 million08/12/2025$0.73$0.83+14.48%$0.84$0.741.34 million shs$79.50 million08/11/2025$0.73$0.73-0.55%$0.74$0.72277,298 shs$69.44 million Get the Latest News and Ratings for ASRT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Assertio and its competitors with MarketBeat's FREE daily newsletter. 08/08/2025$0.72$0.73+0.68%$0.73$0.71138,325 shs$69.82 million08/07/2025$0.74$0.72-1.60%$0.75$0.72163,251 shs$69.36 million08/06/2025$0.74$0.74-0.73%$0.76$0.73203,401 shs$70.49 million08/05/2025$0.72$0.74+2.93%$0.75$0.72166,359 shs$71.00 million08/04/2025$0.71$0.72+1.08%$0.73$0.71177,464 shs$68.98 million08/01/2025$0.72$0.71-0.49%$0.72$0.70135,077 shs$68.24 million07/31/2025$0.70$0.72+1.78%$0.72$0.70106,267 shs$68.58 million07/30/2025$0.71$0.70-1.01%$0.72$0.70118,890 shs$67.38 million07/29/2025$0.73$0.71-1.97%$0.72$0.70132,251 shs$68.07 million07/28/2025$0.74$0.73-2.03%$0.73$0.70209,804 shs$69.44 million07/25/2025$0.75$0.74-1.27%$0.75$0.72147,997 shs$70.88 million07/24/2025$0.77$0.75-2.66%$0.79$0.74276,677 shs$71.79 million07/23/2025$0.72$0.77+6.49%$0.77$0.72341,082 shs$73.75 million07/22/2025$0.70$0.72+4.04%$0.75$0.69357,853 shs$69.26 million07/21/2025$0.67$0.70+3.27%$0.70$0.67361,554 shs$66.57 million Related Companies I-Mab Stock Chart Cartesian Therapeutics Stock Chart Bright Minds Biosciences Stock Chart Lifecore Biomedical Stock Chart Monte Rosa Therapeutics Stock Chart DBV Technologies Stock Chart Atea Pharmaceuticals Stock Chart Sagimet Biosciences Stock Chart ADC Therapeutics Stock Chart Prima BioMed Stock Chart Receive ASRT Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Assertio and its competitors with MarketBeat's FREE daily newsletter. 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