Sonoma Pharmaceuticals (SNOA) Stock Chart & Stock Price History $4.08 -0.12 (-2.86%) Closing price 04:00 PM EasternExtended Trading$4.15 +0.07 (+1.72%) As of 07:58 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 AnalysisChartCompetitorsEarningsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Sonoma Pharmaceuticals Stock Price Performance The Sonoma Pharmaceuticals (SNOA) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 21.54%, with a year-to-date return of 51.67%. In the past month, the stock has decreased 23.74%, reflecting recent market activity. As of the latest close, Sonoma Pharmaceuticals traded at $4.20 with a market cap of $6.89 million and volume of 100,469 shares. Five years ago, the stock traded at $7.48, representing a 45.45% decrease over that period. At the time, it had a market cap of $15.11 million and a volume of 144,460 shares. Receive SNOA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Sonoma Pharmaceuticals 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-8.72%1 Month Performance-23.74%3 Month Performance+38.31%Year-To-Date Performance+51.67%1 Year Performance-21.54%5 Year Performance-45.45% SNOA Stock Chart for Wednesday, September, 17, 2025 SNOA Chart by TradingView Sonoma Pharmaceuticals 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 Capitalization09/17/2025$4.20$4.08-2.86%$4.20$4.0821,101 shs$6.69 million09/16/2025$4.43$4.20-5.19%$4.28$3.80100,469 shs$6.89 million09/15/2025$4.47$4.43-0.89%$4.50$4.4028,296 shs$7.35 million09/12/2025$4.55$4.47-1.76%$4.58$4.4131,549 shs$7.34 million09/11/2025$4.68$4.55-2.78%$4.59$4.5154,771 shs$7.46 million09/10/2025$4.36$4.68+7.34%$4.68$4.3575,668 shs$7.68 million09/09/2025$4.57$4.36-4.60%$4.54$4.3124,258 shs$7.16 million09/08/2025$4.73$4.57-3.38%$4.70$4.5330,627 shs$7.50 million09/05/2025$4.53$4.73+4.42%$4.74$4.5059,789 shs$7.76 million09/04/2025$4.61$4.53-1.74%$4.60$4.4559,373 shs$7.43 million Get the Latest News and Ratings for SNOA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Sonoma Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 09/03/2025$4.71$4.61-2.12%$4.77$4.5955,559 shs$7.57 million09/02/2025$4.45$4.71+5.84%$4.73$4.4566,783 shs$7.72 million09/01/2025$4.45$4.45$4.60$4.3940,453 shs$7.30 million08/29/2025$4.56$4.45-2.41%$4.60$4.3940,453 shs$7.30 million08/28/2025$4.57$4.56-0.22%$4.66$4.5239,759 shs$7.49 million08/27/2025$4.82$4.57-5.19%$4.82$4.5472,533 shs$7.50 million08/26/2025$4.83$4.82-0.21%$4.87$4.7098,315 shs$7.91 million08/25/2025$5.09$4.83-5.11%$5.04$4.8281,457 shs$7.94 million08/22/2025$5.06$5.09+0.59%$5.18$4.75156,905 shs$8.36 million08/21/2025$5.09$5.06-0.59%$5.32$4.83259,573 shs$8.30 million08/20/2025$5.23$5.09-2.68%$5.36$5.06156,761 shs$8.35 million08/19/2025$5.35$5.23-2.24%$5.45$4.93197,399 shs$8.59 million08/18/2025$5.35$5.35$5.60$4.92595,802 shs$8.77 million Related Companies CASI Pharmaceuticals Stock Chart Dare Bioscience Stock Chart Akari Therapeutics Stock Chart Tenax Therapeutics Stock Chart Cadrenal Therapeutics Stock Chart Allarity Therapeutics Stock Chart MIRA Pharmaceuticals Stock Chart Clearside Biomedical Stock Chart Exicure Stock Chart Neuphoria Therapeutics Stock Chart Receive SNOA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Sonoma Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 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