Atossa Genetics (ATOS) Stock Chart & Stock Price History $0.75 -0.01 (-0.97%) Closing price 08/28/2025 04:00 PM EasternExtended Trading$0.77 +0.01 (+1.71%) As of 08/28/2025 07:41 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 ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Atossa Genetics Stock Price Performance The Atossa Genetics (ATOS) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 44.96%, with a year-to-date return of -20.12%. In the past month, the stock has decreased 18.43%, reflecting recent market activity. As of the latest close, Atossa Genetics traded at $0.75 with a market cap of $97.41 million and volume of 356,265 shares. Five years ago, the stock traded at $2.63, representing a 71.33% decrease over that period. At the time, it had a market cap of $32.12 million and a volume of 118,613 shares. Receive ATOS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Atossa Genetics 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-3.01%1 Month Performance-18.43%3 Month Performance-0.84%Year-To-Date Performance-20.12%1 Year Performance-44.96%5 Year Performance-71.33% ATOS Stock Chart for Friday, August, 29, 2025 ATOS Chart by TradingView Atossa Genetics 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 Capitalization08/28/2025$0.76$0.75-0.97%$0.77$0.75356,265 shs$97.41 million08/27/2025$0.78$0.76-1.78%$0.79$0.76457,184 shs$98.36 million08/26/2025$0.76$0.78+2.04%$0.79$0.77327,938 shs$100.15 million08/25/2025$0.78$0.76-2.28%$0.79$0.76438,323 shs$98.14 million08/22/2025$0.74$0.78+4.50%$0.79$0.74469,339 shs$100.43 million08/21/2025$0.74$0.74+0.74%$0.75$0.73356,009 shs$96.10 million08/20/2025$0.75$0.74-1.53%$0.76$0.73480,305 shs$95.39 million08/19/2025$0.79$0.75-5.06%$0.79$0.75746,758 shs$96.88 million08/18/2025$0.78$0.79+1.74%$0.80$0.77524,181 shs$102.04 million08/15/2025$0.78$0.78-0.46%$0.80$0.78587,636 shs$100.30 million Get the Latest News and Ratings for ATOS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Atossa Genetics and its competitors with MarketBeat's FREE daily newsletter. 08/14/2025$0.79$0.78-0.74%$0.79$0.77451,418 shs$100.77 million08/13/2025$0.77$0.79+1.70%$0.80$0.76689,547 shs$101.52 million08/12/2025$0.76$0.77+1.24%$0.78$0.76704,638 shs$98.60 million08/11/2025$0.79$0.76-3.01%$0.80$0.76859,004 shs$98.60 million08/08/2025$0.77$0.79+2.21%$0.80$0.77537,868 shs$101.66 million08/07/2025$0.79$0.77-2.26%$0.81$0.77707,324 shs$99.46 million08/06/2025$0.81$0.79-2.14%$0.82$0.78898,409 shs$101.76 million08/05/2025$0.83$0.81-3.44%$0.85$0.80883,585 shs$103.98 million08/04/2025$0.82$0.83+1.30%$0.84$0.82401,392 shs$107.69 million08/01/2025$0.83$0.82-1.32%$0.85$0.81684,773 shs$106.31 million07/31/2025$0.87$0.83-4.36%$0.87$0.82842,930 shs$107.73 million07/30/2025$0.92$0.87-5.68%$0.94$0.871.43 million shs$112.64 million07/29/2025$0.82$0.92+13.14%$0.98$0.8513.03 million shs$119.42 million07/28/2025$0.84$0.82-2.71%$0.85$0.81813,892 shs$105.55 million Related Companies IMAB Stock Price Chart YMAB Stock Price Chart ATXS Stock Price Chart VIGL Stock Price Chart NBTX Stock Price Chart OLMA Stock Price Chart FULC Stock Price Chart ABEO Stock Price Chart CAPR Stock Price Chart ZYBT Stock Price Chart Receive ATOS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Atossa Genetics and its competitors with MarketBeat's FREE daily newsletter. 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