OptiNose (OPTN) Short Interest Ratio & Short Volume $9.14 -0.03 (-0.33%) Closing price 03/27/2025 04:00 PM EasternExtended Trading$9.14 +0.00 (+0.05%) As of 03/27/2025 06:16 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 AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock OptiNose Short Interest DataOptiNose (OPTN) has a short interest of 271,800 shares, representing 3.44% of the float (the number of shares available for trading by the public). This marks a 11.81% increase in short interest from the previous month. The short interest ratio (days to cover) is 3.5, indicating that it would take 3.5 days of the average trading volume of 62,058 shares to cover all short positions.Current Short Interest271,800 sharesPrevious Short Interest243,100 sharesChange Vs. Previous Month+11.81%Dollar Volume Sold Short$1.46 millionShort Interest Ratio3.5 Days to CoverLast Record DateMarch 15, 2025Outstanding Shares10,060,000 sharesFloat Size7,900,000 sharesShort Percent of Float3.44%Today's Trading Volume120,561 sharesAverage Trading Volume62,058 sharesToday's Volume Vs. Average194% Short Selling OptiNose? Sign up to receive the latest short interest report for OptiNose and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartOPTN Short Interest Over TimeOPTN Days to Cover Over TimeOPTN Percentage of Float Shorted Over Time Remove Ads OptiNose Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 3/15/2025271,800 shares $1.46 million +11.8%3.4%3.5 $5.36 2/28/2025243,100 shares $1.41 million +0.9%3.1%6 $5.81 2/15/2025241,000 shares $1.45 million -2.7%3.0%5 $6.00 1/31/2025247,800 shares $1.47 million +16.2%3.1%3.8 $5.92 1/15/2025213,300 shares $1.28 million -30.0%2.7%3.3 $6.00 12/31/2024304,600 shares $2.03 million -90.5%3.8%5.5 $6.68 12/15/20243,190,000 shares $1.50 million -56.7%N/A4.2 $0.47 11/30/20247,360,000 shares $3.68 million -18.9%N/A9.7 $0.50 11/15/20249,070,000 shares $3.95 million +5.8%N/A13.8 $0.44 10/31/20248,570,000 shares $5.91 million -1.4%N/A25.5 $0.69 Get the Latest News and Ratings for OPTN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for OptiNose and its competitors with MarketBeat's FREE daily newsletter. 10/15/20248,690,000 shares $6.11 million +3.1%N/A20.8 $0.70 9/30/20248,430,000 shares $5.65 million +21.1%N/A16.2 $0.67 9/15/20246,960,000 shares $6.30 million -0.7%N/A9.6 $0.91 8/31/20247,010,000 shares $7.29 million +0.7%N/A9.7 $1.04 8/15/20246,960,000 shares $6.40 million +8.1%N/A9.4 $0.92 7/31/20246,440,000 shares $6.76 million +13.0%N/A7.8 $1.05 7/15/20245,700,000 shares $7.24 million -26.2%N/A4.5 $1.27 6/30/20247,720,000 shares $8.03 million +35.4%N/A6.3 $1.04 6/15/20245,700,000 shares $6.58 million -19.4%N/A5.3 $1.16 5/31/20247,070,000 shares $7.64 million -3.0%N/A6 $1.08 5/15/20247,290,000 shares $8.64 million +23.1%N/A6.1 $1.19 4/30/20245,920,000 shares $4.86 million +84.4%N/A5.2 $0.82 4/15/20243,210,000 shares $3.82 million +3.2%N/A5.3 $1.19 3/31/20243,110,000 shares $4.54 million -2.8%N/A5.7 $1.46 3/15/20243,200,000 shares $5.98 million -0.3%N/A5.9 $1.87 2/29/20243,210,000 shares $5.71 million -10.8%N/A8.5 $1.78 2/15/20243,600,000 shares $4.86 million +5.9%N/A10.1 $1.35 1/31/20243,400,000 shares $4.28 million -2.9%N/A10.8 $1.26 1/15/20243,500,000 shares $4.45 million -4.6%N/A11.4 $1.27 12/31/20233,670,000 shares $4.73 million -1.1%N/A11.5 $1.29 12/15/20233,710,000 shares $4.30 million +1.1%N/A11.9 $1.16 11/30/20233,670,000 shares $4.59 million -1.9%N/A11.6 $1.25 11/15/20233,740,000 shares $4.64 million -1.8%N/A14 $1.24 10/31/20233,810,000 shares $4.31 million +1.1%N/A12.6 $1.13 10/15/20233,770,000 shares $4.67 million -2.3%N/A12 $1.24 9/30/20233,860,000 shares $4.75 million -15.2%N/A10.8 $1.23 9/15/20234,550,000 shares $6.23 million +23.3%N/A11.4 $1.37 8/31/20233,690,000 shares $4.39 million -3.2%N/A6.3 $1.19 8/15/20233,810,000 shares $4.72 million No ChangeN/A5.7 $1.24 7/31/20233,810,000 shares $4.59 million -16.6%N/A5.6 $1.21Elon Warns: Exec Order 14024 Targets Dollar (Ad)Executive Order 14024 is paving the way for irreversible damage to the dollar's value—threatening your wealth, your savings, and your retirement. When the dollar collapses, your savings could disappear overnight. With Trump threatening Russia with more sanctions, Russia is rushing to finalize their BRICS payment system aimed to destroy the U.S dollar.Go Here to Learn What's Happening and How to Prepare >> 7/15/20234,570,000 shares $4.34 million +24.9%N/A7.1 $0.95 6/30/20233,660,000 shares $4.50 million +53.8%N/A6.3 $1.23 6/15/20232,380,000 shares $2.69 million -0.4%N/A4.5 $1.13 5/31/20232,390,000 shares $2.99 million -0.8%N/A7.8 $1.25 5/15/20232,410,000 shares $4.70 million -1.2%N/A10.3 $1.95 4/30/20232,440,000 shares $4.17 million -3.6%N/A16.2 $1.71 4/15/20232,530,000 shares $4.81 million -2.3%N/A16 $1.90 3/31/20232,590,000 shares $5.00 million +4.9%N/A16.6 $1.93 3/15/20232,470,000 shares $4.47 million -2.8%N/A16.3 $1.81 2/28/20232,540,000 shares $4.57 million +0.8%4.9%12.9 $1.80 2/15/20232,520,000 shares $4.33 million -4.2%4.9%12.2 $1.72 1/31/20232,630,000 shares $4.71 million -4.7%N/A11.4 $1.79 1/15/20232,760,000 shares $4.97 million +6.2%N/A13.2 $1.80 12/30/20222,600,000 shares $4.81 million -5.8%N/A12.5 $1.85 12/15/20222,760,000 shares $4.83 million +16.0%N/A13.4 $1.75 11/30/20222,380,000 shares $4.21 million -4.8%N/A11.9 $1.77 11/15/20222,500,000 shares $4.63 million -5.7%N/A17.1 $1.85 10/31/20222,650,000 shares $9.25 million +1.9%5.3%23.2 $3.49 10/15/20222,600,000 shares $8.63 million +2.0%5.2%19.8 $3.32 9/30/20222,550,000 shares $9.33 million +23.2%5.1%19.2 $3.66 9/15/20222,070,000 shares $7.35 million -0.5%4.1%13.5 $3.55 8/31/20222,080,000 shares $7.59 million +1.0%4.2%8.6 $3.65 8/15/20222,060,000 shares $8.05 million -1.0%4.1%8.5 $3.91 7/31/20222,080,000 shares $7.53 million No Change4.2%8.7 $3.62 7/15/20222,080,000 shares $7.47 million -3.3%4.7%9 $3.59 6/30/20222,150,000 shares $7.87 million +2.4%4.8%9.1 $3.66 6/15/20222,100,000 shares $7.31 million +6.1%4.7%9.1 $3.48 5/31/20221,980,000 shares $4.08 million -1.0%4.5%9 $2.06 5/15/20222,000,000 shares $3.62 million -19.0%4.5%7.4 $1.81 4/30/20222,470,000 shares $5.98 million +0.4%5.6%8.3 $2.42 4/15/20222,460,000 shares $6.25 million -3.5%5.5%7.5 $2.54 3/31/20222,550,000 shares $6.30 million +16.4%5.9%6.8 $2.47 3/15/20222,190,000 shares $4.60 million +21.0%5.1%5.5 $2.10 2/28/20221,810,000 shares $5.30 million -14.2%4.4%4.9 $2.93 2/15/20222,110,000 shares $5.68 million +1.9%5.1%5.7 $2.69 1/31/20222,070,000 shares $4.76 million -6.8%5.0%4 $2.30 1/15/20222,220,000 shares $4.64 million -4.3%5.0%4.6 $2.09 12/31/20212,320,000 shares $3.76 million -7.2%5.2%5.3 $1.62 12/15/20212,500,000 shares $4.18 million -1.6%5.6%6 $1.67 11/30/20212,540,000 shares $4.04 million -10.9%8.7%6.6 $1.59 11/15/20212,850,000 shares $6.81 million +0.4%6.0%8 $2.39 10/29/20212,840,000 shares $7.53 million +3.7%8.8%13.4 $2.65 10/15/20212,740,000 shares $8.22 million -10.2%8.5%11.5 $3.00 9/30/20213,050,000 shares $9.15 million -3.2%9.5%10.8 $3.00 9/15/20213,150,000 shares $8.79 million +5.7%9.8%8.1 $2.79 8/31/20212,980,000 shares $8.67 million -24.8%9.1%7.5 $2.91 8/13/20213,960,000 shares $10.41 million -7.5%12.1%10.1 $2.63 7/30/20214,280,000 shares $12.16 million +2.6%13.1%11.4 $2.84 7/15/20214,170,000 shares $12.51 million +2.2%13.6%11 $3.00 6/30/20214,080,000 shares $12.69 million -19.8%13.3%11.3 $3.11Elon Warns: Exec Order 14024 Targets Dollar (Ad)Executive Order 14024 is paving the way for irreversible damage to the dollar's value—threatening your wealth, your savings, and your retirement. When the dollar collapses, your savings could disappear overnight. With Trump threatening Russia with more sanctions, Russia is rushing to finalize their BRICS payment system aimed to destroy the U.S dollar.Go Here to Learn What's Happening and How to Prepare >> 6/15/20215,090,000 shares $19.09 million -2.3%16.6%17.9 $3.75 5/28/20215,210,000 shares $16.62 million +3.2%17.0%17.2 $3.19 5/14/20215,050,000 shares $15.76 million +5.4%16.4%13.5 $3.12 4/30/20214,790,000 shares $17.82 million +7.4%15.6%11.2 $3.72 4/15/20214,460,000 shares $15.92 million +4.2%15.1%10 $3.57 3/31/20214,280,000 shares $15.02 million -0.5%14.5%9.4 $3.51 3/15/20214,300,000 shares $16.51 million -10.0%14.8%8.5 $3.84 2/26/20214,780,000 shares $19.22 million +1.3%16.2%9.5 $4.02 2/12/20214,720,000 shares $21.95 million +33.3%16.3%9.9 $4.65 1/29/20213,540,000 shares $14.37 million -34.6%12.2%7.6 $4.06 1/15/20215,410,000 shares $22.94 million +1.1%18.0%11.8 $4.24 12/31/20205,350,000 shares $22.36 million -23.6%17.8%12.8 $4.18 12/15/20207,000,000 shares $30.38 million +2.8%23.2%16.7 $4.34 11/30/20206,810,000 shares $29.08 million +23.4%22.5%17.9 $4.27 11/15/20205,520,000 shares $21.97 million -19.1%18.2%14.6 $3.98 10/30/20206,820,000 shares $22.85 million +1.8%22.4%16.6 $3.35 10/15/20206,700,000 shares $25.73 million -3.3%22.1%15.9 $3.84 9/30/20206,930,000 shares $27.03 million -7.7%22.8%14.3 $3.90 9/15/20207,510,000 shares $34.02 million -1.7%24.7%10.7 $4.53 8/31/20207,640,000 shares $34.76 million +15.1%25.1%11.3 $4.55 8/14/20206,640,000 shares $35.19 million -11.5%27.3%10.2 $5.30 7/31/20207,500,000 shares $38.18 million +5.8%30.8%13.1 $5.09 7/15/20207,090,000 shares $32.61 million +7.3%29.1%12.3 $4.60 6/30/20206,610,000 shares $49.18 million +13.4%27.2%12.6 $7.44 6/15/20205,830,000 shares $33.87 million +4.5%24.0%18.4 $5.81 5/29/20205,580,000 shares $24.11 million -8.4%22.9%16.3 $4.32 5/15/20206,090,000 shares $23.78 million +0.5%25.0%17.8 $3.91 4/30/20206,060,000 shares $24.48 million -5.0%25.8%18.6 $4.04 4/15/20206,380,000 shares $24.50 million -6.9%27.2%23 $3.84 3/31/20206,850,000 shares $27.40 million -7.7%29.2%26.1 $4.00 OPTN Short Interest - Frequently Asked Questions What is OptiNose's current short interest? Short interest is the volume of OptiNose shares that have been sold short but have not yet been covered or closed out. As of March 15th, investors have sold 271,800 shares of OPTN short. 3.44% of OptiNose's shares are currently sold short. Learn More on OptiNose's current short interest. What is a good short interest ratio for OptiNose? 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. OPTN shares currently have a short interest ratio of 4.0. Learn More on OptiNose's short interest ratio. Which institutional investors are shorting OptiNose? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of OptiNose: Concourse Financial Group Securities Inc.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for OptiNose? Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 3.44% of OptiNose's floating shares are currently sold short. Is OptiNose's short interest increasing or decreasing? OptiNose saw a increase in short interest in March. As of March 15th, there was short interest totaling 271,800 shares, an increase of 11.8% from the previous total of 243,100 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. What is OptiNose's float size? OptiNose currently has issued a total of 10,060,000 shares. Some of OptiNose's outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. OptiNose currently has a public float of 7,900,000 shares. How does OptiNose's short interest compare to its competitors? 3.44% of OptiNose's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to OptiNose: Korro Bio, Inc. (15.08%), Nuvectis Pharma, Inc. (12.30%), AC Immune SA (2.20%), biote Corp. (2.38%), Eledon Pharmaceuticals, Inc. (2.60%), Y-mAbs Therapeutics, Inc. (12.89%), LifeVantage Co. (15.90%), SOPHiA GENETICS SA (0.09%), Voyager Therapeutics, Inc. (5.39%), Rezolute, Inc. (4.41%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($26.28 billion), iShares 20+ Year Treasury Bond ETF ($9.53 billion), MicroStrategy Incorporated ($8.50 billion), Apollo Global Management, Inc. ($4.86 billion), Super Micro Computer, Inc. ($4.85 billion), Charter Communications, Inc. ($4.28 billion), Capital One Financial Co. ($4.08 billion), AppLovin Co. ($3.82 billion), Canadian Natural Resources Limited ($3.78 billion), and Schlumberger Limited ($2.87 billion). View all of the most shorted stocks. What does it mean to sell short OptiNose stock? Short selling OPTN is an investing strategy that aims to generate trading profit from OptiNose as its price is falling. OPTN shares are trading down $0.03 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 OptiNose? A short squeeze for OptiNose 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 OPTN, which in turn drives the price of the stock up even further. How often is OptiNose's 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 OPTN, twice per month. The most recent reporting period available is March, 15 2025. More Short Interest Resources from MarketBeat Related Companies Korro Bio Short Interest Nuvectis Pharma Short Interest AC Immune Short Interest biote Short Interest Eledon Pharmaceuticals Short Interest Y-mAbs Therapeutics Short Interest LifeVantage Short Interest SOPHiA GENETICS Short Interest Voyager Therapeutics Short Interest Rezolute Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:OPTN) was last updated on 3/28/2025 by MarketBeat.com Staff From Our PartnersA $6.9 Trillion Cash Tsunami Is Coming – Move Your Money NOWExpert: "Prepare For the Mother of All Melt-Ups" In the wake of Wall Street volatility, stock-picking legen...Stansberry Research | SponsoredElon Warns: Exec Order 14024 Targets DollarExecutive Order 14024 is paving the way for irreversible damage to the dollar's value—threatening your wealth,...Priority Gold | SponsoredWarning: “DOGE Collapse” imminentElon Strikes Back You may already sense that the tide is turning against Elon Musk and DOGE. 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