Inovio Pharmaceuticals (INO) Short Interest Ratio & Short Volume $1.35 +0.02 (+1.50%) Closing price 05/22/2026 04:00 PM EasternExtended Trading$1.34 -0.01 (-0.81%) As of 05/22/2026 07:49 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 Massive. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Inovio Pharmaceuticals Short Interest OverviewAs of April 30, 2026, Inovio Pharmaceuticals (INO) had a short interest of 14.24 million shares sold short, representing 20.86% of the public float. This marks a 11.49% increase in short interest since the prior report. The short interest ratio (days to cover) is 9.8, meaning it would take 9.8 days of the average trading volume of 3.93 million shares to cover all short positions.Current Short Interest14,235,596 sharesPrevious Short Interest12,768,874 sharesChange Vs. Previous Month11.49%Dollar Volume Sold Short$15.94 millionShort Interest Ratio9.8 Days to CoverLast Record DateApril 30, 2026Outstanding Shares82,270,000 sharesShort Percent of Float20.86%Today's Trading Volume3,270,511 sharesAverage Trading Volume3,929,012 sharesToday's Volume Vs. Average83% Short Selling Inovio Pharmaceuticals? Sign up to receive the latest short interest report for Inovio Pharmaceuticals and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartINO Short Interest Over TimeINO Days to Cover Over TimeINO Percentage of Float Shorted Over Time Inovio Pharmaceuticals Tesla Short Interest History & Recent Changes ExportReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/202614,235,596 shares $15.94 million +11.5%20.9%9.8 $1.12 4/15/202612,768,874 shares $15.19 million +29.2%18.7%2.71 $1.19 3/31/20269,884,839 shares $17.20 million -8.1%14.6%12.04 $1.74 3/13/202610,757,832 shares $17.86 million -1.9%15.9%14.79 $1.66 2/27/202610,960,650 shares $19.84 million -4.0%16.8%14.39 $1.81 2/13/202611,418,437 shares $18.38 million -8.3%17.5%10.09 $1.61 1/30/202612,450,335 shares $20.29 million +6.5%19.1%12.53 $1.63 1/15/202611,694,010 shares $18.48 million +18.5%17.9%5.85 $1.58 12/31/20259,867,930 shares $17.17 million +4.5%15.1%4.36 $1.74 12/15/20259,445,637 shares $21.35 million +9.5%14.5%7.74 $2.26 Get the Latest News and Ratings for INO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Inovio Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 11/28/20258,629,046 shares $17.86 million +4.5%13.2%8.63 $2.07 11/14/20258,259,257 shares $16.93 million +0.6%15.9%4.89 $2.05 10/31/20258,209,858 shares $19.29 million +8.3%15.8%8 $2.35 10/15/20257,580,000 shares $19.25 million -0.7%14.4%4.9 $2.54 9/30/20257,630,000 shares $17.85 million +1.9%14.5%4.4 $2.34 9/15/20257,490,000 shares $17.08 million +13.7%14.2%3.2 $2.28 8/31/20256,590,000 shares $15.62 million +17.1%12.5%2.9 $2.37 8/15/20255,630,000 shares $10.47 million +10.4%10.7%2.9 $1.86 7/31/20255,100,000 shares $7.24 million -14.9%10.1%3.2 $1.42 7/15/20255,990,000 shares $7.85 million +8.9%11.9%4 $1.31 6/30/20255,500,000 shares $11.22 million -14.9%10.9%4.3 $2.04 6/15/20256,460,000 shares $12.92 million -1.7%17.8%10.1 $2.00 5/31/20256,570,000 shares $13.34 million -6.3%18.1%10 $2.03 5/15/20257,010,000 shares $13.67 million +8.5%19.3%11.2 $1.95 4/30/20256,460,000 shares $12.53 million -3.3%17.7%9.7 $1.94 4/15/20256,680,000 shares $11.76 million +4.4%18.3%9.4 $1.76 3/31/20256,400,000 shares $10.43 million +19.6%17.6%7.5 $1.63 3/15/20255,350,000 shares $10.86 million -3.1%14.7%6 $2.03 2/28/20255,520,000 shares $10.93 million +2.6%15.4%5.2 $1.98 2/15/20255,380,000 shares $11.57 million +7.4%15.0%5.2 $2.15 1/31/20255,010,000 shares $10.47 million +2.5%14.0%5.1 $2.09 1/15/20254,890,000 shares $9.10 million +12.7%13.7%5.3 $1.86 12/31/20244,340,000 shares $7.94 million -3.1%12.2%5.1 $1.83 12/15/20244,480,000 shares $10.39 million +18.5%12.6%6.8 $2.32 11/30/20243,780,000 shares $16.33 million +0.8%14.7%10.5 $4.32 11/15/20243,750,000 shares $15.99 million +7.1%14.5%11.2 $4.27 10/31/20243,500,000 shares $18.48 million +0.6%13.6%12 $5.28 10/15/20243,480,000 shares $19.42 million +4.2%13.5%11.5 $5.58 9/30/20243,340,000 shares $19.31 million +9.5%13.0%10.1 $5.78 9/15/20243,050,000 shares $20.77 million +1.7%11.9%8.3 $6.81Read now. Do not delete. You’ve been warned. (Ad)Three Nobel Prize Winners expose this once-in-a-generation wealth shift: “Don’t Say I Didn’t Warn You” Porter Stansberry exposes how the convergence of three immense forces is about to rewrite everything about the American way of life: how you work, save, invest… it’s all about to change.Don’t be left behind. Click here now. 8/31/20243,000,000 shares $21.66 million +2.7%11.7%8.3 $7.22 8/15/20242,920,000 shares $22.78 million +9.0%11.3%7.9 $7.80 7/31/20242,680,000 shares $28.57 million -4.3%10.4%7.1 $10.66 7/15/20242,800,000 shares $30.97 million +37.3%10.9%7.6 $11.06 6/30/20242,040,000 shares $16.48 million +9.1%7.9%5.6 $8.08 6/15/20241,870,000 shares $17.00 million No Change7.3%5.5 $9.09 5/31/20241,870,000 shares $18.94 million -12.6%7.3%4.9 $10.13 5/15/20242,140,000 shares $27.97 million +5.4%8.3%4.9 $13.07 4/30/20242,030,000 shares $23.24 million -10.2%7.9%4.4 $11.45 4/15/20242,260,000 shares $24.84 million +7.6%8.9%4.6 $10.99 3/31/20242,100,000 shares $29.15 million +1.9%9.1%3.9 $13.88 3/15/20242,060,000 shares $22.10 million +10.8%9.0%3.9 $10.73 2/29/20241,860,000 shares $16.48 million +6.9%8.1%3.9 $8.86 2/15/20241,740,000 shares $12.95 million +21.7%7.8%4.4 $7.44 1/31/20241,430,000 shares $7.71 million -23.9%6.4%4.2 $5.39 1/15/202422,510,000 shares $207.99 million -5.8%N/A6.3 $9.24 12/31/202323,890,000 shares $12.18 million -1.6%N/A5.5 $0.51 12/15/202324,270,000 shares $9.44 million -5.7%N/A7 $0.39 11/30/202325,730,000 shares $10.14 million -0.9%N/A7.5 $0.39 11/15/202325,950,000 shares $9.87 million +4.1%N/A7.6 $0.38 10/31/202324,940,000 shares $9.09 million -3.0%N/A7.3 $0.36 10/15/202325,710,000 shares $13.18 million +72.6%N/A7.4 $0.51 9/30/202314,900,000 shares $5.80 million -4.7%N/A4.7 $0.39 9/15/202315,630,000 shares $6.25 million -6.4%N/A3.6 $0.40 8/31/202316,700,000 shares $7.51 million -24.3%N/A2.5 $0.45 8/15/202322,060,000 shares $9.93 million +2.2%N/A2.8 $0.45 7/31/202321,580,000 shares $11.48 million +3.2%N/A2.5 $0.53 7/15/202320,920,000 shares $10.98 million -13.2%N/A2.3 $0.53 6/30/202324,110,000 shares $10.77 million -45.0%N/A2.5 $0.45 6/15/202343,830,000 shares $22.18 million +2.5%N/A4.7 $0.51 5/31/202342,780,000 shares $25.61 million +9.0%N/A6.4 $0.60 5/15/202339,250,000 shares $30.13 million -0.7%N/A6.8 $0.77 4/30/202339,510,000 shares $30.52 million -0.4%N/A7.7 $0.77 4/15/202339,650,000 shares $33.81 million +13.9%N/A7.5 $0.85 3/31/202334,820,000 shares $28.55 million -11.9%N/A7 $0.82 3/15/202339,520,000 shares $45.45 million -1.8%N/A8.8 $1.15 2/28/202340,260,000 shares $50.73 million -0.4%N/A8.5 $1.26 2/15/202340,410,000 shares $62.64 million -7.6%N/A8.3 $1.55 1/31/202343,740,000 shares $72.61 million -2.3%N/A7.9 $1.66 1/15/202344,790,000 shares $85.10 million +0.1%N/A7.9 $1.90 12/30/202244,760,000 shares $69.83 million -0.5%N/A7.9 $1.56 12/15/202244,990,000 shares $79.18 million +4.0%N/A7.9 $1.76 11/30/202243,270,000 shares $88.27 million -6.2%N/A7.4 $2.04 11/15/202246,150,000 shares $115.38 million +5.7%N/A7.9 $2.50 10/31/202243,670,000 shares $94.33 million -4.2%N/A7.6 $2.16 10/15/202245,570,000 shares $71.09 million +1.5%N/A8.1 $1.56 9/30/202244,920,000 shares $77.49 million -1.8%N/A7.9 $1.73 9/15/202245,730,000 shares $96.03 million +0.3%N/A7.7 $2.10 8/31/202245,590,000 shares $104.40 million +1.2%N/A7.3 $2.29 8/15/202245,060,000 shares $125.72 million +3.1%N/A7 $2.79SpaceX will mint billionaires. You won't be one of them. (Ad)By the time a company goes public, 95% of profits have already been made. Insiders bought SpaceX at $20 billion - you'd be buying at $1.75 trillion. But one small, publicly traded company sits directly in SpaceX's path, still priced like Wall Street hasn't noticed. It powers the infrastructure Musk's operation can't run without. Dylan Jovine is naming the ticker free - before the June S-1 closes the window.Get the ticker now before the June S-1 closes the window 7/31/202243,700,000 shares $86.53 million +0.5%N/A6.3 $1.98 7/15/202243,480,000 shares $85.66 million +7.7%N/A6.5 $1.97 6/30/202240,380,000 shares $69.86 million +12.5%N/A6.4 $1.73 6/15/202235,910,000 shares $54.58 million +4.4%N/A5.9 $1.52 5/31/202234,410,000 shares $64.35 million -20.6%N/A5.9 $1.87 5/15/202243,310,000 shares $86.19 million -4.1%N/A7.7 $1.99 4/30/202245,150,000 shares $123.26 million -0.5%N/A9.9 $2.73 4/15/202245,380,000 shares $145.22 million +1.7%N/A9.7 $3.20 3/31/202244,610,000 shares $160.15 million -3.5%N/A9.3 $3.59 3/15/202246,230,000 shares $145.16 million -7.1%N/A9.3 $3.14 2/28/202249,740,000 shares $161.16 million +5.8%24.1%10.7 $3.24 2/15/202247,000,000 shares $162.62 million -0.1%22.7%10 $3.46 1/31/202247,030,000 shares $194.70 million +5.1%22.7%9.9 $4.14 1/15/202244,740,000 shares $212.52 million -3.4%21.6%9.9 $4.75 12/31/202146,290,000 shares $230.99 million +5.7%22.4%10.9 $4.99 12/15/202143,790,000 shares $266.24 million -4.3%21.2%11 $6.08 11/30/202145,750,000 shares $331.23 million -0.4%22.1%12.2 $7.24 11/15/202145,930,000 shares $337.13 million -0.5%22.2%12.2 $7.34 10/29/202146,160,000 shares $329.58 million +0.4%22.3%11.2 $7.14 10/15/202146,000,000 shares $322.92 million +1.8%22.2%11.2 $7.02 9/30/202145,210,000 shares $323.70 million +1.7%21.9%10.4 $7.16 9/15/202144,450,000 shares $336.49 million +2.1%21.5%9.8 $7.57 8/31/202143,540,000 shares $376.19 million +2.3%21.1%9.3 $8.64 8/13/202142,570,000 shares $392.92 million -1.9%20.6%8.6 $9.23 7/30/202143,390,000 shares $364.48 million -4.6%21.2%8.3 $8.40 7/15/202145,500,000 shares $364 million +2.0%22.2%7 $8.00 6/30/202144,590,000 shares $413.35 million -4.6%21.8%5.7 $9.27 6/15/202146,740,000 shares $403.37 million -8.2%22.8%5.8 $8.63 5/28/202150,940,000 shares $384.60 million -9.1%24.9%5.9 $7.55 INO Short Interest - Frequently Asked Questions What is Inovio Pharmaceuticals' current short interest? Short interest is the volume of Inovio Pharmaceuticals shares that have been sold short but have not yet been closed out or covered. As of April 30th, investors have sold 14,235,596 shares of INO short. 20.86% of Inovio Pharmaceuticals' shares are currently sold short. Learn More on Inovio Pharmaceuticals' current short interest. What is a good short interest ratio for Inovio 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. INO shares currently have a short interest ratio of 9.8. Learn More on Inovio Pharmaceuticals's short interest ratio. What is a good short interest percentage for Inovio Pharmaceuticals? 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. 20.86% of Inovio Pharmaceuticals' floating shares are currently sold short. Is Inovio Pharmaceuticals' short interest increasing or decreasing? Inovio Pharmaceuticals saw a increase in short interest during the month of April. As of April 30th, there was short interest totaling 14,235,596 shares, an increase of 11.5% from the previous total of 12,768,874 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 Inovio Pharmaceuticals' short interest compare to its competitors? 20.86% of Inovio Pharmaceuticals' shares are currently sold short. Here is how the short interest of companies compare to Inovio Pharmaceuticals: Moderna, Inc. (16.47%), Beta Bionics, Inc. (14.68%), Delcath Systems, Inc. (12.74%), ClearPoint Neuro, Inc. (17.71%), CapsoVision, Inc. (2.93%), Shoulder Innovations, Inc. (2.95%), Carlsmed, Inc. (2.47%), Sight Sciences, Inc. (2.42%), Profound Medical (6.49%), RxSight, Inc. (14.96%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($86.09 billion), Invesco QQQ ($39.89 billion), iShares Russell 2000 ETF ($26.13 billion), Western Digital Corporation ($12.66 billion), Salesforce Inc. ($12.29 billion), Sandisk Corporation ($11.87 billion), SPDR S&P Biotech ETF ($9.82 billion), Lumentum Holdings Inc. ($8.51 billion), iShares 20+ Year Treasury Bond ETF ($7.76 billion), and Bloom Energy Corporation ($7.40 billion). View all of the most shorted stocks. What does it mean to sell short Inovio Pharmaceuticals stock? Short selling INO is an investing strategy that aims to generate trading profit from Inovio Pharmaceuticals as its price is falling. INO shares are trading up $0.02 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 Inovio Pharmaceuticals? A short squeeze for Inovio Pharmaceuticals 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 INO, which in turn drives the price of the stock up even further. How often is Inovio 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 INO, twice per month. The most recent reporting period available is April, 30 2026. What do INO's short interest metrics mean? Understanding short interest metrics can help you assess how traders are positioning around a stock like INO:Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity. More Short Interest Resources from MarketBeat Related Companies MRNA Short Interest Data BBNX Short Interest Data DCTH Short Interest Data CLPT Short Interest Data CV Short Interest Data SI Short Interest Data CARL Short Interest Data SGHT Short Interest Data PROF Short Interest Data RXST 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 (NASDAQ:INO) was last updated on 5/24/2026 by MarketBeat.com Staff. From Our PartnersHey, it's Jon Najarian. The SpaceX IPO is right around the corner. But I discovered Elon may have something BIGGER planned. Check this out before June 9th...After being invited to the SpaceX launch headquarters in Cape Canaveral from one of Elon's top lobbyists… Hall...Banyan Hill Publishing | SponsoredFrom the man who predicted 2008 crash…Porter Stansberry, founder of one of the largest financial research firms in the world, says he's breaking the...Porter & Company | SponsoredYour book is insideThe "Sucker's Bet" Most New Options Traders Fall For Most people who try options lose money the same way. ...Profits Run | SponsoredPH: Do THESE 4 things to your bank account now …In a few short months, the US government could gain unprecedented powers over personal bank accounts - includi...Weiss Ratings | SponsoredYour computer is about to become a museum pieceFuturist George Gilder - who predicted the smartphone years before the iPhone launched - believes today's AI d...Eagle Publishing | SponsoredOne page of the SpaceX S-1 will move this stock overnightWhen SpaceX files its S-1 in June, the SEC will require full disclosure of operating expenses - including powe...Behind the Markets | SponsoredJune 12: Elon Musk’s “Day-One Retirement Plan.”SpaceX is expected to go public on June 12 - and for the first time, everyday investors may have a way in befo...Brownstone Research | 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 Inovio Pharmaceuticals, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Inovio 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 Email Me a Login Link 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.
