Oncolytics Biotech (ONCY) Short Interest Ratio & Short Volume $0.56 -0.01 (-1.23%) Closing price 04/17/2025 04:00 PM EasternExtended Trading$0.56 0.00 (-0.36%) As of 04/17/2025 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 ForecastsChartCompetitorsEarningsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Oncolytics Biotech Short Interest DataOncolytics Biotech (ONCY) has a short interest of 2.73 million shares, representing 3.20% of the float (the number of shares available for trading by the public). This marks a -9.00% decrease in short interest from the previous month. The short interest ratio (days to cover) is 2.7, indicating that it would take 2.7 days of the average trading volume of 523,360 shares to cover all short positions.Current Short Interest2,730,000 sharesPrevious Short Interest3,000,000 sharesChange Vs. Previous Month-9.00%Dollar Volume Sold Short$1.50 millionShort Interest Ratio2.7 Days to CoverLast Record DateMarch 31, 2025Outstanding Shares86,422,000 sharesShort Percent of Float3.20%Today's Trading Volume214,464 sharesAverage Trading Volume523,360 sharesToday's Volume Vs. Average41% Short Selling Oncolytics Biotech? Sign up to receive the latest short interest report for Oncolytics Biotech and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartONCY Short Interest Over TimeONCY Days to Cover Over TimeONCY Percentage of Float Shorted Over Time Oncolytics Biotech Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 3/31/20252,730,000 shares $1.50 million -9.0%3.2%2.7 $0.55 3/15/20253,000,000 shares $1.88 million +1.0%3.5%2.7 $0.63 2/28/20252,970,000 shares $1.96 million -2.6%3.5%2.6 $0.66 2/15/20253,050,000 shares $2.34 million -14.1%3.6%2.7 $0.77 1/31/20253,550,000 shares $2.59 million +35.0%N/A3 $0.73 1/15/20252,630,000 shares $2.16 million +1.2%N/A2.4 $0.82 12/31/20242,600,000 shares $2.38 million +5.3%N/A4.9 $0.91 12/15/20242,470,000 shares $2.01 million +7.9%N/A4.3 $0.81 11/30/20242,290,000 shares $2.13 million -11.9%N/A4.8 $0.93 11/15/20242,600,000 shares $2.55 million -7.5%N/A5.8 $0.98 Get the Latest News and Ratings for ONCY and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Oncolytics Biotech and its competitors with MarketBeat's FREE daily newsletter. 10/31/20242,810,000 shares $3.23 million +6.0%N/A6.5 $1.15 10/15/20242,650,000 shares $3.29 million +159.8%N/A6.5 $1.24 9/30/20241,020,000 shares $888,420.00 +48.2%N/A3.2 $0.87 9/15/2024688,200 shares $657,919.20 +0.4%N/A3.9 $0.96 8/31/2024685,400 shares $657,298.60 +8.6%N/A3.8 $0.96 8/15/2024631,200 shares $612,327.12 -2.2%N/A3.4 $0.97 7/31/2024645,100 shares $670,904.00 -0.4%N/A3.4 $1.04 7/15/2024647,400 shares $699,192.00 -2.7%N/A3.6 $1.08 6/30/2024665,300 shares $658,647.00 -1.5%N/A3.4 $0.99 6/15/2024675,600 shares $689,112.00 +2.5%N/A3.1 $1.02 5/31/2024659,000 shares $705,130.00 -23.9%N/A3 $1.07 5/15/2024866,100 shares $1.00 million +0.6%N/A2.9 $1.16 4/30/2024861,200 shares $955,932.00 -7.2%N/A2.5 $1.11 4/15/2024928,100 shares $983,786.00 -0.3%N/A2.5 $1.06 3/31/2024930,700 shares $986,542.00 +1.2%N/A2.3 $1.06 3/15/2024919,700 shares $909,491.33 -11.6%N/A2.2 $0.99 2/29/20241,040,000 shares $1.19 million +12.6%N/A2.3 $1.14 2/15/2024923,400 shares $1.07 million +38.7%N/A2.2 $1.16 1/31/2024666,000 shares $792,540.00 -40.0%N/A1.5 $1.19 1/15/20241,110,000 shares $1.35 million +0.9%N/A2.6 $1.22 12/31/20231,100,000 shares $1.49 million -7.6%N/A2.5 $1.35 12/15/20231,190,000 shares $1.61 million -16.8%N/A2.9 $1.35 11/30/20231,430,000 shares $2.07 million -4.0%N/A3.6 $1.45 11/15/20231,490,000 shares $2.21 million -6.9%N/A3.4 $1.48 10/31/20231,600,000 shares $2.66 million +12.7%N/A3.2 $1.66 10/15/20231,420,000 shares $2.64 million -2.1%N/A2.3 $1.86 9/30/20231,450,000 shares $3.16 million -8.8%N/A2.2 $2.18 9/15/20231,590,000 shares $3.42 million -2.5%N/A1.9 $2.15 8/31/20231,630,000 shares $3.73 million +38.1%N/A1.4 $2.29 8/15/20231,180,000 shares $2.43 million -38.9%N/A1 $2.06Trump’s Secret Weapon (Ad)Have you looked at the stock market recently? Millions of investors are scrambling trying to figure out what's coming next. But here's the truth… This is just the beginning. Trump has made it clear his tariffs are coming, and that the market will get worse before it gets better. Luckily, our FREE Presidential Transition Guide details exactly what will happen in the next 100 days, and how to protect your hard-earned savings during these times. Don't wait for the next crash to wipe you out. Act now.Get Your FREE Presidential Transition Guide Today 7/31/20231,930,000 shares $4.86 million +39.9%N/A1.9 $2.52 7/15/20231,380,000 shares $4.07 million +12.2%N/A1.6 $2.95 6/30/20231,230,000 shares $3.20 million +256.3%N/A1.6 $2.60 6/15/2023345,200 shares $673,140.00 +6.0%N/A0.6 $1.95 5/31/2023325,600 shares $527,472.00 +104.3%N/A1.4 $1.62 5/15/2023159,400 shares $261,416.00 +133.7%N/A0.9 $1.64 4/30/202368,200 shares $99,565.18 -8.2%N/A0.4 $1.46 4/15/202374,300 shares $85,445.00 -35.8%N/A0.4 $1.15 3/31/2023115,800 shares $138,960.00 -45.8%N/A0.6 $1.20 3/15/2023213,700 shares $284,221.00 +15.1%N/A1 $1.33 2/28/2023185,700 shares $284,121.00 +4.6%N/A0.7 $1.53 2/15/2023177,500 shares $296,425.00 +29.5%N/A0.6 $1.67 1/31/2023137,100 shares $244,038.00 +45.9%N/A0.4 $1.78 1/15/202394,000 shares $155,100.00 +57.5%N/A0.3 $1.65 12/30/202259,700 shares $97,311.00 -54.8%N/A0.2 $1.63 12/15/2022132,200 shares $241,926.00 +91.9%N/A0.5 $1.83 11/30/202268,900 shares $121,264.00 -38.0%N/A0.4 $1.76 11/15/2022111,200 shares $173,472.00 -3.1%N/A1 $1.56 10/31/2022114,700 shares $144,522.00 -29.9%N/A1.2 $1.26 10/15/2022163,500 shares $199,470.00 +1.5%N/A1.9 $1.22 9/30/2022161,100 shares $198,153.00 -19.2%N/A1.9 $1.23 9/15/2022199,300 shares $259,090.00 -23.1%N/A1.9 $1.30 8/31/2022259,000 shares $371,846.30 +9.5%N/A2.2 $1.44 8/15/2022236,600 shares $313,495.00 +10.1%N/A1.9 $1.33 7/31/2022215,000 shares $246,648.00 -5.0%N/A1.8 $1.15 7/15/2022226,400 shares $223,004.00 -36.8%N/A2.1 $0.99 6/30/2022358,000 shares $361,580.00 +102.8%N/A2.6 $1.01 6/15/2022176,500 shares $158,850.00 -17.2%N/A1.4 $0.90 5/31/2022213,100 shares $249,327.00 +22.3%N/A1.6 $1.17 5/15/2022174,300 shares $200,445.00 -35.3%N/A1.1 $1.15 4/30/2022269,400 shares $355,608.00 +15.4%N/A1.4 $1.32 4/15/2022233,400 shares $350,100.00 +53.7%N/A0.9 $1.50 3/31/2022151,900 shares $240,002.00 +25.4%N/A0.4 $1.58 3/15/2022121,100 shares $184,072.00 -36.6%N/A0.3 $1.52 2/28/2022191,100 shares $324,870.00 +1.4%N/A0.5 $1.70 2/15/2022188,400 shares $359,844.00 -35.9%0.4%0.5 $1.91 1/31/2022293,900 shares $558,410.00 +124.9%0.5%0.7 $1.90 1/15/2022130,700 shares $211,734.00 -12.4%0.2%0.3 $1.62 12/31/2021149,200 shares $207,388.00 -45.6%0.3%0.6 $1.39 12/15/2021274,000 shares $424,700.00 +9.3%0.5%1.1 $1.55 11/30/2021250,700 shares $423,683.00 +11.3%0.5%1.1 $1.69 11/15/2021225,200 shares $427,880.00 -30.4%0.4%1.1 $1.90 10/29/2021323,600 shares $660,144.00 +19.8%0.6%1.7 $2.04 10/15/2021270,200 shares $599,844.00 +64.5%0.5%1.5 $2.22 9/30/2021164,300 shares $343,387.00 -12.9%0.3%0.9 $2.09 9/15/2021188,600 shares $380,972.00 -37.3%0.4%0.9 $2.02 8/31/2021300,900 shares $695,079.00 -27.1%0.6%1.4 $2.31 8/13/2021412,600 shares $862,334.00 -15.4%0.8%1.4 $2.09 7/30/2021487,700 shares $1.13 million -3.6%0.9%1.4 $2.32 7/15/2021505,700 shares $1.12 million +11.7%0.9%1.2 $2.22Trump’s Secret Weapon (Ad)Have you looked at the stock market recently? Millions of investors are scrambling trying to figure out what's coming next. But here's the truth… This is just the beginning. Trump has made it clear his tariffs are coming, and that the market will get worse before it gets better. Luckily, our FREE Presidential Transition Guide details exactly what will happen in the next 100 days, and how to protect your hard-earned savings during these times. Don't wait for the next crash to wipe you out. Act now.Get Your FREE Presidential Transition Guide Today 6/30/2021452,900 shares $1.25 million -15.4%0.8%0.8 $2.77 6/15/2021535,600 shares $1.51 million -33.2%1.0%0.5 $2.82 5/28/2021802,200 shares $2.45 million -21.4%1.5%0.7 $3.05 5/14/20211,020,000 shares $2.65 million +10.3%1.9%0.7 $2.60 4/30/2021924,700 shares $2.83 million -7.5%1.8%0.5 $3.06 4/15/20211,000,000 shares $3.07 million -32.4%1.9%0.5 $3.07 3/31/20211,480,000 shares $5.40 million -15.4%2.9%0.7 $3.65 3/15/20211,750,000 shares $5.23 million +96.4%3.4%1 $2.99 2/26/2021891,000 shares $3.09 million +7.5%2.0%0.5 $3.47 2/12/2021828,800 shares $2.24 million -65.2%1.8%0.4 $2.70 1/29/20212,380,000 shares $5.95 million +21.4%5.6%1.7 $2.50 1/15/20211,960,000 shares $5.63 million -1.0%4.6%1.5 $2.87 12/31/20201,980,000 shares $4.79 million +14.5%4.7%1.7 $2.42 12/15/20201,730,000 shares $4.38 million +3.0%4.1%1.6 $2.53 11/30/20201,680,000 shares $4.65 million -12.0%3.9%1.9 $2.77 11/15/20201,910,000 shares $3.84 million +9.8%4.5%3.3 $2.01 10/30/20201,740,000 shares $3.57 million -0.6%4.2%4 $2.05 10/15/20201,750,000 shares $3.70 million -10.3%4.3%3.9 $2.12 9/30/20201,950,000 shares $3.30 million -3.5%4.8%4.2 $1.69 9/15/20202,020,000 shares $3.47 million -7.3%4.9%4.2 $1.72 8/31/20202,180,000 shares $3.84 million +3.8%5.3%4.3 $1.76 8/14/20202,100,000 shares $3.51 million +1.9%5.1%3.3 $1.67 7/31/20202,060,000 shares $4.16 million +6.2%5.0%2.2 $2.02 7/15/20201,940,000 shares $3.84 million -0.5%7.5%2 $1.98 6/30/20201,950,000 shares $3.67 million +1.6%7.5%2.2 $1.88 6/15/20201,920,000 shares $3.69 million +7.9%7.4%2 $1.92 5/29/20201,780,000 shares $4.34 million +18.7%6.9%1.8 $2.44 5/15/20201,500,000 shares $3.03 million +19.1%5.8%1.5 $2.02 4/30/20201,260,000 shares $2.08 million +5.9%4.9%1.7 $1.65 ONCY Short Interest - Frequently Asked Questions What is Oncolytics Biotech's current short interest? Short interest is the volume of Oncolytics Biotech shares that have been sold short but have not yet been covered or closed out. As of March 31st, investors have sold 2,730,000 shares of ONCY short. 3.20% of Oncolytics Biotech's shares are currently sold short. Learn More on Oncolytics Biotech's current short interest. What is a good short interest ratio for Oncolytics Biotech? 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. ONCY shares currently have a short interest ratio of 3.0. Learn More on Oncolytics Biotech's short interest ratio. What is a good short interest percentage for Oncolytics Biotech? 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. 3.20% of Oncolytics Biotech's floating shares are currently sold short. Is Oncolytics Biotech's short interest increasing or decreasing? Oncolytics Biotech saw a decrease in short interest in the month of March. As of March 31st, there was short interest totaling 2,730,000 shares, a decrease of 9.0% from the previous total of 3,000,000 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 Oncolytics Biotech's short interest compare to its competitors? 3.20% of Oncolytics Biotech's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Oncolytics Biotech: enGene Holdings Inc. (0.17%), Terns Pharmaceuticals, Inc. (8.84%), Foghorn Therapeutics Inc. (3.58%), Esperion Therapeutics, Inc. (14.42%), Ocugen, Inc. (23.60%), Amarin Co. plc (2.97%), biote Corp. (2.70%), SOPHiA GENETICS SA (0.10%), Cardiff Oncology, Inc. (31.41%), Gossamer Bio, Inc. (3.70%), 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 ($21.93 billion), iShares 20+ Year Treasury Bond ETF ($9.31 billion), Strategy Incorporated ($8.42 billion), Charter Communications, Inc. ($4.52 billion), Apollo Global Management, Inc. ($4.26 billion), Super Micro Computer, Inc. ($3.98 billion), Capital One Financial Co. ($3.79 billion), TC Energy Co. ($3.43 billion), AppLovin Co. ($2.91 billion), and Schlumberger Limited ($2.89 billion). View all of the most shorted stocks. What does it mean to sell short Oncolytics Biotech stock? Short selling ONCY is an investing strategy that aims to generate trading profit from Oncolytics Biotech as its price is falling. ONCY shares are trading down $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 Oncolytics Biotech? A short squeeze for Oncolytics Biotech 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 ONCY, which in turn drives the price of the stock up even further. How often is Oncolytics Biotech'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 ONCY, twice per month. The most recent reporting period available is March, 31 2025. More Short Interest Resources from MarketBeat Related Companies enGene Short Squeeze Terns Pharmaceuticals Short Squeeze Foghorn Therapeutics Short Squeeze Esperion Therapeutics Short Squeeze Ocugen Short Squeeze Amarin Short Squeeze biote Short Squeeze SOPHiA GENETICS Short Squeeze Cardiff Oncology Short Squeeze Gossamer Bio Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:ONCY) was last updated on 4/20/2025 by MarketBeat.com Staff From Our PartnersMy prediction is coming trueWe've developed a surprisingly effective way to see which stocks could double during massive shake-ups, by usi...InvestorPlace | SponsoredDOGE Social Security bombshell?Elon Musk just dropped another bombshell... 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