NovaBay Pharmaceuticals (NBY) Stock Chart & Stock Price History $1.66 +0.12 (+7.42%) As of 03:52 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartDividendInsider TradesSEC FilingsShort InterestBuy This Stock NovaBay Pharmaceuticals Stock Price Performance The NovaBay Pharmaceuticals (NBY) stock chart highlights key performance trends across multiple timeframes. In the past month, the stock has increased 158.70%, reflecting recent market activity. As of the latest close, NovaBay Pharmaceuticals traded at $1.55 with a market cap of $9.02 million and volume of 140.96 million shares. Receive NBY Stock News and Ratings via EmailSign-up to receive the latest news and ratings for NovaBay Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 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Read our full terms of service and privacy policy. 5 Day Performance+82.95%1 Month Performance+158.70%3 Month Performance+196.00% NBY Stock Chart for Thursday, August, 28, 2025 NBY Chart by TradingView NovaBay 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 Capitalization08/27/2025$0.90$1.55+72.41%$1.90$1.50140.96 million shs$9.02 million08/26/2025$0.91$0.90-0.83%$0.93$0.8720.90 million shs$5.23 million08/25/2025$0.91$0.91-0.40%$0.98$0.90759,484 shs$5.28 million08/22/2025$1.07$0.91-14.94%$1.10$0.911.67 million shs$5.30 million08/21/2025$1.03$1.07+3.88%$1.07$0.885.08 million shs$6.23 million08/20/2025$0.60$1.03+71.67%$1.25$0.93177.58 million shs$6.00 million08/19/2025$0.62$0.60-3.68%$0.62$0.603.13 million shs$3.49 million08/18/2025$0.62$0.62+0.87%$0.65$0.5915,382 shs$3.63 million08/15/2025$0.60$0.62+2.10%$0.62$0.54212,919 shs$3.59 million08/14/2025$0.59$0.60+2.51%$0.60$0.5825,700 shs$3.52 million Get the Latest News and Ratings for NBY and Related StocksEnter your email address below to receive the latest news and analysts' ratings for NovaBay Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 08/13/2025$0.58$0.59+0.89%$0.61$0.5822,528 shs$3.43 million08/12/2025$0.60$0.58-2.70%$0.62$0.5849,019 shs$3.40 million08/11/2025$0.59$0.60+1.43%$0.70$0.5929,819 shs$3.50 million08/08/2025$0.58$0.59+1.84%$0.62$0.5718,396 shs$3.45 million08/07/2025$0.59$0.58-1.52%$0.59$0.5810,748 shs$3.39 million08/06/2025$0.61$0.59-3.31%$0.60$0.5938,817 shs$3.44 million08/05/2025$0.61$0.61+0.16%$0.62$0.6116,745 shs$3.56 million08/04/2025$0.59$0.61+2.78%$0.62$0.5952,750 shs$3.55 million08/01/2025$0.58$0.59+2.15%$0.62$0.5730,504 shs$3.45 million07/31/2025$0.62$0.58-6.29%$0.62$0.5724,320 shs$3.38 million07/30/2025$0.63$0.62-1.90%$0.65$0.6027,192 shs$3.61 million07/29/2025$0.64$0.63-1.80%$0.65$0.6327,252 shs$3.68 million07/28/2025$0.67$0.64-3.94%$0.67$0.6427,473 shs$3.75 million Related Companies FBLG Stock Price Chart QTTB Stock Price Chart KAPA Stock Price Chart BCAB Stock Price Chart NNVC Stock Price Chart ELEV Stock Price Chart LSTA Stock Price Chart OTLC Stock Price Chart CING Stock Price Chart RLMD Stock Price Chart Receive NBY Stock News and Ratings via EmailSign-up to receive the latest news and ratings for NovaBay Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 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