OptiNose (OPTN) Short Interest Ratio & Short Volume $9.60 0.00 (0.00%) As of 05/21/2025 Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock OptiNose Short Interest DataOptiNose (OPTN) has a short interest of 132,700 shares, representing 1.68% of the float (the number of shares available for trading by the public). This marks a -6.68% 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 63,060 shares to cover all short positions.Current Short Interest132,700 sharesPrevious Short Interest142,200 sharesChange Vs. Previous Month-6.68%Dollar Volume Sold Short$1.24 millionShort Interest Ratio1.5 Days to CoverLast Record DateApril 30, 2025Outstanding Shares10,127,000 sharesFloat Size7,910,000 sharesShort Percent of Float1.68%Today's Trading Volume0 sharesAverage Trading Volume63,060 sharesToday's Volume Vs. Average0% 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 4/30/2025132,700 shares $1.24 million -6.7%1.7%1.5 $9.32 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 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. 11/30/20247,360,000 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 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 $1.37This document could hand you a shot at $915 every single weekend! 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An extra $1,111 sitting in the account (with a $5k starting stake).you can get the full story here 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 $1.21 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 $2.63Volatility Is Rising—But These 2 AI Stocks Could Thrive (Ad)2025 is off to a turbulent start—markets are swinging wildly, inflation pressures remain high, and recession fears are creeping back into headlines. 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These under-the-radar companies are positioned to ride the next wave of AI-driven demand—and they’re still flying below most investors’ radar.👉[Click here to access your FREE AI stocks report now.] 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 $3.11 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 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 closed out or covered. As of April 30th, traders have sold 132,700 shares of OPTN short. 1.68% 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. 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. 1.68% of OptiNose's floating shares are currently sold short. Is OptiNose's short interest increasing or decreasing? OptiNose saw a drop in short interest in the month of April. As of April 30th, there was short interest totaling 132,700 shares, a drop of 6.7% from the previous total of 142,200 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? 1.68% 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: Organogenesis Holdings Inc. (18.28%), Alpha Teknova, Inc. (28.06%), COMPASS Pathways plc (5.37%), Autolus Therapeutics plc (3.93%), Cryoport, Inc. (5.49%), Checkpoint Therapeutics, Inc. (5.89%), SNDL Inc. (1.43%), Entrada Therapeutics, Inc. (4.77%), Olema Pharmaceuticals, Inc. (7.94%), Arcturus Therapeutics Holdings Inc. (21.09%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Spotify Technology S.A. ($4.67 billion), Charter Communications, Inc. ($4.58 billion), Capital One Financial Co. ($4.47 billion), The Kroger Co. ($2.56 billion), Reddit, Inc. ($2.23 billion), Rivian Automotive, Inc. ($2.16 billion), Live Nation Entertainment, Inc. ($1.90 billion), SoFi Technologies, Inc. ($1.85 billion), Zscaler, Inc. ($1.75 billion), and Omnicom Group Inc. ($1.75 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. 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, 30 2025. More Short Interest Resources from MarketBeat Related Companies Organogenesis Short Interest Alpha Teknova Short Interest COMPASS Pathways Short Interest Autolus Therapeutics Short Interest Cryoport Short Interest Checkpoint Therapeutics Short Interest SNDL Short Interest Entrada Therapeutics Short Interest Olema Pharmaceuticals Short Interest Arcturus 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 5/25/2025 by MarketBeat.com Staff From Our PartnersGold Hits New Highs as Global Markets SpiralWhen Trump took office in 2017, gold was just $1,100 an ounce. By the time he left, it had soared to $1,839. ...Premier Gold Co | SponsoredWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... 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