NovaBay Pharmaceuticals (NBY) Short Interest Ratio & Short Volume $0.59 +0.01 (+1.84%) Closing price 08/8/2025 04:10 PM EasternExtended Trading$0.66 +0.06 (+10.55%) As of 08/8/2025 07:37 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 Short Interest Stock AnalysisChartEarningsHeadlinesInsider TradesSEC FilingsShort InterestBuy This Stock NovaBay Pharmaceuticals Short Interest DataNovaBay Pharmaceuticals (NBY) has a short interest of 38,300 shares. This marks a -7.71% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.0, indicating that it would take 1.0 days of the average trading volume of 45,058 shares to cover all short positions.Current Short Interest38,300 sharesPrevious Short Interest41,500 sharesChange Vs. Previous Month-7.71%Dollar Volume Sold Short$25.66 thousandShort Interest Ratio1.0 Days to CoverLast Record DateJuly 15, 2025Outstanding Shares5,820,000 sharesPercentage of Shares Shorted0.66%Today's Trading Volume18,396 sharesAverage Trading Volume45,058 sharesToday's Volume Vs. Average41% Short Selling NovaBay Pharmaceuticals? Sign up to receive the latest short interest report for NovaBay Pharmaceuticals and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartNBY Short Interest Over TimeNBY Days to Cover Over TimeNBY Percentage of Float Shorted Over Time NovaBay Pharmaceuticals Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/15/202538,300 shares $25.66 thousand -7.7%N/A1 $0.67 6/30/202541,500 shares $24.07 thousand +4.5%0.7%1 $0.58 6/15/202539,700 shares $23.82 thousand -28.0%0.7%0.8 $0.60 5/31/202555,100 shares $30.17 thousand +28.7%1.3%1.1 $0.55 5/15/202542,800 shares $24.82 thousand -55.6%1.0%0.8 $0.58 4/30/202596,300 shares $55.85 thousand -30.1%N/A1.6 $0.58 4/15/2025137,800 shares $81.30 thousand +321.4%3.3%1.6 $0.59 3/31/202532,700 shares $19.13 thousand -70.8%0.8%0.2 $0.59 3/15/2025112,100 shares $70.63 thousand +26.0%2.7%0.5 $0.63 2/28/202589,000 shares $0.00 -19.2%2.1%0.4 $0.00 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. 2/15/2025110,200 shares $0.00 +35.1%2.6%0.5 $0.00 1/31/202581,600 shares $0.00 -77.9%N/A0.3 $0.00 1/15/2025369,700 shares $0.00 +487.8%N/A0.7 $0.00 12/31/202462,900 shares $0.00 +63.8%N/A0.1 $0.00 12/15/202438,400 shares $0.00 -47.5%N/A0.1 $0.00 11/30/202473,200 shares $0.00 -60.9%N/A0 $0.00 11/15/2024187,000 shares $0.00 -75.5%N/A0.1 $0.00 10/31/2024764,300 shares $0.00 +4,169.8%N/A0.3 $0.00 10/15/202417,900 shares $0.00 -96.0%N/A0 $0.00 9/30/2024451,700 shares $0.00 +256.5%N/A0.2 $0.00 9/15/2024126,700 shares $0.00 -6.8%N/A0 $0.00 8/31/2024135,900 shares $0.00 -29.3%N/A0.5 $0.00 8/15/2024192,200 shares $0.00 +495.1%N/A0.6 $0.00 7/31/202432,300 shares $0.00 -66.0%N/A0.1 $0.00 7/15/202494,900 shares $0.00 +27.0%N/A0.3 $0.00 6/30/202474,700 shares $0.00 +54.0%N/A0.2 $0.00 6/15/202448,500 shares $0.00 -92.5%N/A0.2 $0.00 5/31/2024647,600 shares $0.00 +2,023.3%84.7%2.3 $0.00 5/15/202430,500 shares $0.00 -77.7%0.1%0 $0.00 4/30/2024137,000 shares $0.00 -34.2%0.4%0.1 $0.00 4/15/2024208,100 shares $0.00 -71.1%0.6%0.1 $0.00 3/31/2024718,800 shares $0.00 +519.1%2.5%0.2 $0.00 3/15/2024116,100 shares $0.00 -57.3%0.4%0 $0.00 2/29/2024271,700 shares $0.00 -10.2%4.3%0.1 $0.00 2/15/2024302,400 shares $0.00 -47.6%4.8%0.1 $0.00 1/31/2024576,600 shares $0.00 +33.4%9.1%0.2 $0.00 1/15/2024432,400 shares $0.00 +1,226.4%6.8%0.6 $0.00 12/31/202332,600 shares $0.00 +136.2%0.5%0.1 $0.00 12/15/202313,800 shares $0.00 -58.7%0.2%0.1 $0.00 11/30/202333,400 shares $0.00 -40.8%0.5%0 $0.00Trump’s national nightmare is here (Ad)Porter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger the biggest forced rotation of capital since World War II. They reveal why Trump is mobilizing America’s tech giants… and name the two stocks most likely to soar as trillions shift behind the scenes.Watch the National Emergency broadcast here 11/15/202356,400 shares $0.00 -39.1%0.9%0.1 $0.00 10/31/202392,600 shares $0.00 +21.5%2.3%0.1 $0.00 10/15/202376,200 shares $0.00 No Change1.9%0.1 $0.00 9/30/202376,200 shares $0.00 -73.0%1.9%0.1 $0.00 9/15/2023281,700 shares $0.00 +54.6%6.9%0.2 $0.00 8/31/2023182,200 shares $0.00 +0.9%4.5%0.2 $0.00 8/15/2023180,600 shares $0.00 +10.9%4.5%0.8 $0.00 7/31/2023162,900 shares $114.08 thousand -43.4%4.0%0.3 $0.70 7/15/2023287,600 shares $0.00 -6.0%7.1%0.5 $0.00 6/30/2023305,900 shares $230.10 thousand +9.8%7.6%0.6 $0.75 6/15/2023278,600 shares $186.08 thousand +22.1%7.0%0.5 $0.67 5/31/2023228,100 shares $148.24 thousand +53.6%9.1%0.5 $0.65 5/15/2023148,500 shares $0.00 -6.1%6.3%0.4 $0.00 4/30/2023158,100 shares $0.00 +81.7%8.3%1.7 $0.00 4/15/202387,000 shares $156.60 thousand -2.9%5.0%1 $1.80 3/31/202389,600 shares $0.00 +3.9%5.2%3.3 $0.00 3/15/202386,200 shares $0.00 -10.2%5.0%1.9 $0.00 2/28/202396,000 shares $0.00 -3.1%5.5%1.9 $0.00 2/15/202399,100 shares $0.00 +0.1%5.7%1.7 $0.00 1/31/202399,000 shares $245.17 thousand +3.0%5.7%1.4 $2.48 1/15/202396,100 shares $0.00 +115.5%5.6%1.4 $0.00 12/30/202244,600 shares $86.97 thousand +8.0%2.8%0.6 $1.95 12/15/202241,300 shares $0.00 +7.8%N/A0.7 $0.00 11/30/202238,300 shares $0.00 +2.7%N/A0.6 $0.00 11/15/202237,300 shares $0.00 -96.6%N/A0.7 $0.00 10/31/20221,100,000 shares $0.00 -19.7%N/A0.8 $0.00 10/15/20221,370,000 shares $0.00 +88.0%N/A1 $0.00 9/30/2022728,800 shares $0.00 -17.4%N/A0.7 $0.00 9/15/2022881,900 shares $0.00 -48.1%N/A1.1 $0.00 8/31/20221,700,000 shares $0.00 -5.6%N/A2.8 $0.00 8/15/20221,800,000 shares $0.00 +30.4%N/A2.5 $0.00 7/31/20221,380,000 shares $0.00 +11.3%26.8%1.8 $0.00 7/15/20221,240,000 shares $0.00 -1.6%24.1%2 $0.00 6/30/20221,260,000 shares $0.00 -9.4%24.5%2 $0.00 6/15/20221,390,000 shares $0.00 +7.8%27.0%2.3 $0.00 5/31/20221,290,000 shares $0.00 +41.6%N/A2.2 $0.00 5/15/2022910,800 shares $0.00 -1.5%N/A2.1 $0.00 4/30/2022924,900 shares $0.00 +11.6%2.2%2.3 $0.00 4/15/2022828,800 shares $0.00 -9.8%2.0%2.1 $0.00 3/31/2022918,800 shares $272.24 thousand -10.8%2.2%2.1 $0.30 3/15/20221,030,000 shares $0.00 +15.7%2.6%1.7 $0.00 2/28/2022890,200 shares $0.00 -7.1%2.3%1.3 $0.00 2/15/2022957,800 shares $0.00 -14.5%2.5%1.2 $0.00 1/31/20221,120,000 shares $0.00 -22.2%3.2%1.3 $0.00 1/15/20221,440,000 shares $0.00 -13.3%4.1%1.5 $0.00 12/31/20211,660,000 shares $0.00 -20.2%4.7%1.8 $0.00 12/15/20212,080,000 shares $0.00 -10.3%5.9%2.1 $0.00 11/30/20212,320,000 shares $0.00 +19.6%6.5%2.3 $0.00 11/15/20211,940,000 shares $0.00 +22.0%5.4%2.3 $0.00 10/29/20211,590,000 shares $842.70 thousand -25.7%N/A1.8 $0.53Trump’s national nightmare is here (Ad)Porter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger the biggest forced rotation of capital since World War II. They reveal why Trump is mobilizing America’s tech giants… and name the two stocks most likely to soar as trillions shift behind the scenes.Watch the National Emergency broadcast here 10/15/20212,140,000 shares $0.00 +5.9%6.0%1.3 $0.00 9/30/20212,020,000 shares $0.00 +4.7%5.7%1 $0.00 9/15/20211,930,000 shares $0.00 -6.8%5.4%1.1 $0.00 8/31/20212,070,000 shares $0.00 -5.1%5.9%1 $0.00 8/13/20212,180,000 shares $0.00 +29.8%6.2%1 $0.00 7/30/20211,680,000 shares $0.00 +44.8%5.2%0.8 $0.00 7/15/20211,160,000 shares $0.00 +8.4%3.6%1 $0.00 6/30/20211,070,000 shares $0.00 +29.3%3.3%1.3 $0.00 6/15/2021827,400 shares $0.00 -20.4%2.5%0.8 $0.00 5/28/20211,040,000 shares $0.00 +2.0%3.2%0.9 $0.00 5/14/20211,020,000 shares $0.00 -8.9%N/A0.6 $0.00 4/30/20211,120,000 shares $0.00 -9.7%N/A0.3 $0.00 4/15/20211,240,000 shares $954.80 thousand +6.9%N/A0.3 $0.77 3/31/20211,160,000 shares $928 thousand +13.7%N/A0.2 $0.80 3/15/20211,020,000 shares $856.80 thousand +53.1%N/A0.2 $0.84 2/26/2021666,400 shares $673.06 thousand -22.6%N/A0.1 $1.01 2/12/2021861,400 shares $783.87 thousand -22.4%N/A0.2 $0.91 1/29/20211,110,000 shares $1.38 million +6.7%N/A0.4 $1.24 1/15/20211,040,000 shares $1.25 million +2.0%N/A0.4 $1.20 12/31/20201,020,000 shares $740.42 thousand -22.7%N/A0.6 $0.73 12/15/20201,320,000 shares $918.59 thousand +10.0%N/A0.9 $0.70 11/30/20201,200,000 shares $762 thousand +26.3%N/A0.9 $0.64 11/15/2020950,500 shares $577.33 thousand -1.8%N/A0.8 $0.61 10/30/2020968,000 shares $599.87 thousand +18.0%N/A0.4 $0.62 10/15/2020820,100 shares $627.38 thousand +106.3%N/A0.3 $0.77 9/30/2020397,500 shares $290.18 thousand -22.8%N/A0.1 $0.73 9/15/2020515,100 shares $370.87 thousand +0.8%N/A0.1 $0.72 8/31/2020511,200 shares $388.51 thousand -6.4%N/A0.1 $0.76 8/14/2020546,200 shares $475.19 thousand +12.0%N/A0.1 $0.87 NBY Short Interest - Frequently Asked Questions What is NovaBay Pharmaceuticals' current short interest? Short interest is the volume of NovaBay Pharmaceuticals shares that have been sold short but have not yet been covered or closed out. As of July 15th, traders have sold 38,300 shares of NBY short. Learn More on NovaBay Pharmaceuticals' current short interest. What is a good short interest ratio for NovaBay Pharmaceuticals? The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. NBY shares currently have a short interest ratio of 1.0. Learn More on NovaBay Pharmaceuticals's short interest ratio. Is NovaBay Pharmaceuticals' short interest increasing or decreasing? NovaBay Pharmaceuticals saw a decrease in short interest during the month of July. As of July 15th, there was short interest totaling 38,300 shares, a decrease of 7.7% from the previous total of 41,500 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment. How does NovaBay Pharmaceuticals' short interest compare to its competitors? Here is how the short interest of companies in the industry of "pharmaceutical products" compare to NovaBay Pharmaceuticals: Citius Pharmaceuticals, Inc. (10.64%), ProPhase Labs, Inc. (0.35%), Carisma Therapeutics Inc. (2.73%), Flora Growth Corp. (1.44%), Equillium, Inc. (5.19%), Ernexa Therapeutics Inc. (1.68%), AlloVir, Inc. (2.56%), NextCure, Inc. (1.36%), Leap Therapeutics, Inc. (6.67%), Athira Pharma, Inc. (3.08%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Coinbase Global, Inc. ($5.11 billion), Charter Communications, Inc. ($4.76 billion), Reddit Inc. ($2.84 billion), SoFi Technologies, Inc. ($2.79 billion), Seagate Technology Holdings PLC ($2.79 billion), Live Nation Entertainment, Inc. ($2.67 billion), Rocket Lab Corporation ($2.49 billion), AST SpaceMobile, Inc. ($2.12 billion), Moderna, Inc. ($2.09 billion), and Omnicom Group Inc. ($2.04 billion). View all of the most shorted stocks. What does it mean to sell short NovaBay Pharmaceuticals stock? Short selling NBY is an investing strategy that aims to generate trading profit from NovaBay Pharmaceuticals as its price is falling. NBY shares are trading up $0.01 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit. How does a short squeeze work against NovaBay Pharmaceuticals? A short squeeze for NovaBay Pharmaceuticals occurs when it has a large amount of short interest and its stock appreciates in price. This forces short sellers to cover their short interest positions by buying actual shares of NBY, which in turn drives the price of the stock up even further. How often is NovaBay Pharmaceuticals' short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including NBY, twice per month. The most recent reporting period available is July, 15 2025. More Short Interest Resources from MarketBeat Related Companies CTXR Short Interest Data PRPH Short Interest Data CARM Short Interest Data FLGC Short Interest Data EQ Short Interest Data ERNA Short Interest Data ALVR Short Interest Data NXTC Short Interest Data LPTX Short Interest Data ATHA Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSEAMERICAN:NBY) was last updated on 8/10/2025 by MarketBeat.com Staff From Our PartnersTrump’s national nightmare is herePorter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...Porter & Company | SponsoredNational 'Stock Market Reset' Coming September 30 (New WH Order)Crash Coming Sept 30? Analysts Warn of New Crisis A new problem on the U.S. power grid is putting millions ...Altimetry | SponsoredPresidential Bombshell: $150T Resource to Be Released as soon as this Summer?Something extraordinary is happening in Washington. For the first time in over a century, a sitting Preside...Paradigm Press | SponsoredGreen Light for These StocksGuess Who Washington Will Partner With Next? The U.S. government just made a bold $400 million move... beco...Stansberry Research | SponsoredCritical AI announcement set to ignite AI 2.0 I just put together an urgent new presentation that you need to see right away. In short: I believe we are...Timothy Sykes | SponsoredHe Called Nvidia at $1.10. Now, He Says THIS Stock Will…The original Magnificent Seven returned 16,894%—turning $7K into $1.18 million. Now, the man who called Nvi...The Oxford Club | SponsoredSell this, buy thatWhat you don’t own matters just as much as what you do. That’s the thinking behind Eric Fry’s long-time strate...InvestorPlace | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding NovaBay Pharmaceuticals, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share NovaBay Pharmaceuticals With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
