OptiNose (OPTN) Short Interest Ratio & Short Volume $9.40 +0.01 (+0.11%) Closing price 05/2/2025 04:00 PM EasternExtended Trading$9.40 0.00 (0.00%) As of 05/2/2025 04:05 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock OptiNose Short Interest DataOptiNose (OPTN) has a short interest of 142,200 shares, representing 1.80% of the float (the number of shares available for trading by the public). This marks a -25.82% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.5, indicating that it would take 1.5 days of the average trading volume of 60,954 shares to cover all short positions.Current Short Interest142,200 sharesPrevious Short Interest191,700 sharesChange Vs. Previous Month-25.82%Dollar Volume Sold Short$1.31 millionShort Interest Ratio1.5 Days to CoverLast Record DateApril 15, 2025Outstanding Shares10,127,000 sharesFloat Size7,910,000 sharesShort Percent of Float1.80%Today's Trading Volume21,187 sharesAverage Trading Volume60,954 sharesToday's Volume Vs. Average35% 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 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 4/15/2025142,200 shares $1.31 million -25.8%1.8%1.5 $9.19 3/31/2025191,700 shares $1.76 million -29.5%2.4%2.1 $9.17 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 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. 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 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 $1.19Shocking AI play that’s beats Nvidia by a country mile (Ad)You’ve seen the headlines about Nvidia. Now Tim Sykes is sounding the alarm — because what CEO Jensen Huang is about to announce could change the AI market once again. Experts already predict the total addressable market could climb past $20 trillion. But Sykes believes most investors have missed what’s coming next. He’s tracking a new shift — and says the biggest gains are still ahead.Click to find out what Nvidia’s CEO might reveal… and how Sykes is preparing to ride the wave. 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 $1.21 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 $2.84Shocking AI play that’s beats Nvidia by a country mile (Ad)You’ve seen the headlines about Nvidia. Now Tim Sykes is sounding the alarm — because what CEO Jensen Huang is about to announce could change the AI market once again. Experts already predict the total addressable market could climb past $20 trillion. But Sykes believes most investors have missed what’s coming next. He’s tracking a new shift — and says the biggest gains are still ahead.Click to find out what Nvidia’s CEO might reveal… and how Sykes is preparing to ride the wave. 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 $3.11 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 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 April 15th, traders have sold 142,200 shares of OPTN short. 1.80% 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 2.0. 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. 1.80% of OptiNose's floating shares are currently sold short. Is OptiNose's short interest increasing or decreasing? OptiNose saw a decline in short interest in the month of April. As of April 15th, there was short interest totaling 142,200 shares, a decline of 25.8% from the previous total of 191,700 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 10,127,000 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 7,910,000 shares. How does OptiNose's short interest compare to its competitors? 1.80% 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: Tectonic Therapeutic (14.30%), Taysha Gene Therapies, Inc. (11.61%), ORIC Pharmaceuticals, Inc. (19.77%), COMPASS Pathways plc (7.39%), Alpha Teknova, Inc. (26.65%), Heron Therapeutics, Inc. (23.00%), Autolus Therapeutics plc (5.79%), Arcturus Therapeutics Holdings Inc. (20.80%), Checkpoint Therapeutics, Inc. (7.24%), Allogene Therapeutics, Inc. (20.67%), 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 ($21.71 billion), iShares 20+ Year Treasury Bond ETF ($9.48 billion), Strategy Incorporated ($8.92 billion), Charter Communications, Inc. ($3.86 billion), Apollo Global Management, Inc. ($3.86 billion), Capital One Financial Co. ($3.72 billion), Super Micro Computer, Inc. ($3.47 billion), AppLovin Co. ($2.64 billion), VanEck Semiconductor ETF ($2.46 billion), and The Kroger Co. ($2.33 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 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 OptiNose? A short squeeze for OptiNose occurs when it has a large amount of short interest and its stock increases 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 April, 15 2025. More Short Interest Resources from MarketBeat Related Companies Tectonic Therapeutic Short Interest Taysha Gene Therapies Short Interest ORIC Pharmaceuticals Short Interest COMPASS Pathways Short Interest Alpha Teknova Short Interest Heron Therapeutics Short Interest Autolus Therapeutics Short Interest Arcturus Therapeutics Short Interest Checkpoint Therapeutics Short Interest Allogene Therapeutics 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 5/4/2025 by MarketBeat.com Staff From Our PartnersAltucher: Turn $900 into $108,000 in just 12 months?We are entering the final Trump Bump of our lives. 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