PDS Biotechnology (PDSB) Short Interest Ratio & Short Volume $1.26 +0.01 (+0.80%) Closing price 04:00 PM EasternExtended Trading$1.29 +0.03 (+2.70%) As of 07:50 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock PDS Biotechnology Short Interest DataPDS Biotechnology (PDSB) has a short interest of 3.86 million shares, representing 11.40% of the float (the number of shares available for trading by the public). This marks a -17.34% decrease in short interest from the previous month. The short interest ratio (days to cover) is 6.3, indicating that it would take 6.3 days of the average trading volume of 529,994 shares to cover all short positions.Current Short Interest3,860,000 sharesPrevious Short Interest4,670,000 sharesChange Vs. Previous Month-17.34%Dollar Volume Sold Short$4.75 millionShort Interest Ratio6.3 Days to CoverLast Record DateMarch 15, 2025Outstanding Shares38,193,000 sharesShort Percent of Float11.40%Today's Trading Volume221,897 sharesAverage Trading Volume529,994 sharesToday's Volume Vs. Average42% Short Selling PDS Biotechnology? Sign up to receive the latest short interest report for PDS Biotechnology and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartPDSB Short Interest Over TimePDSB Days to Cover Over TimePDSB Percentage of Float Shorted Over Time Remove Ads PDS Biotechnology Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 3/15/20253,860,000 shares $4.75 million -17.3%11.4%6.3 $1.23 2/28/20254,670,000 shares $6.21 million +20.7%13.8%7.4 $1.33 2/15/20253,870,000 shares $6.04 million -3.5%11.4%9.8 $1.56 1/31/20254,010,000 shares $6.58 million -2.4%N/A10.6 $1.64 1/15/20254,110,000 shares $5.96 million +1.2%N/A10.3 $1.45 12/31/20244,060,000 shares $6.62 million -4.0%N/A10.1 $1.63 12/15/20244,230,000 shares $7.78 million +9.0%N/A9.5 $1.84 11/30/20243,880,000 shares $8.50 million +0.3%N/A9.2 $2.19 11/15/20243,870,000 shares $7.78 million -13.4%N/A9.9 $2.01 10/31/20244,470,000 shares $14.26 million -6.9%N/A14.3 $3.19 Get the Latest News and Ratings for PDSB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for PDS Biotechnology and its competitors with MarketBeat's FREE daily newsletter. 10/15/20244,800,000 shares $15.50 million +0.2%N/A16.1 $3.23 9/30/20244,790,000 shares $18.30 million +3.9%N/A14.2 $3.82 9/15/20244,610,000 shares $13.83 million -3.2%N/A11.2 $3.00 8/31/20244,760,000 shares $15.23 million -5.4%N/A10.7 $3.20 8/15/20245,030,000 shares $16.25 million -0.8%N/A10.4 $3.23 7/31/20245,070,000 shares $18.05 million -11.1%N/A8.8 $3.56 7/15/20245,700,000 shares $24.08 million -18.6%N/A9.1 $4.23 6/30/20247,000,000 shares $20.51 million +3.7%N/A10.4 $2.93 6/15/20246,750,000 shares $18.80 million +0.6%N/A8.7 $2.79 5/31/20246,710,000 shares $20.00 million -2.0%N/A8.2 $2.98 5/15/20246,850,000 shares $23.98 million -0.2%N/A7.3 $3.50 4/30/20246,860,000 shares $22.98 million -3.9%N/A7.6 $3.35 4/15/20247,140,000 shares $20.13 million +16.1%N/A7.7 $2.82 3/31/20246,150,000 shares $24.35 million +11.6%N/A6.7 $3.96 3/15/20245,510,000 shares $27.00 million +9.5%N/A7 $4.90 2/29/20245,030,000 shares $33.15 million +0.4%N/A7.1 $6.59 2/15/20245,010,000 shares $27.35 million -5.1%N/A8.4 $5.46 1/31/20245,280,000 shares $28.25 million +1.9%N/A8.6 $5.35 1/15/20245,180,000 shares $22.38 million +5.5%N/A9.2 $4.32 12/31/20234,910,000 shares $24.40 million +4.7%N/A9.8 $4.97 12/15/20234,690,000 shares $23.92 million -3.5%N/A9 $5.10 11/30/20234,860,000 shares $25.56 million -7.4%N/A9.9 $5.26 11/15/20235,250,000 shares $33.18 million -4.9%N/A11.3 $6.32 10/31/20235,520,000 shares $23.02 million -6.3%N/A12 $4.17 10/15/20235,890,000 shares $26.56 million +11.8%N/A12.3 $4.51 9/30/20235,270,000 shares $26.61 million +15.3%N/A9.9 $5.05 9/15/20234,570,000 shares $24.40 million +6.5%N/A7.9 $5.34 8/31/20234,290,000 shares $25.18 million +7.8%N/A6.4 $5.87 8/15/20233,980,000 shares $23.40 million +0.5%N/A3.9 $5.88 7/31/20233,960,000 shares $22.63 million -5.5%N/A4.3 $5.72Warning: “DOGE Collapse” imminent (Ad)Elon Strikes Back You may already sense that the tide is turning against Elon Musk and DOGE. 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Go here to learn about my Top Four picks for the coming bull mania. 6/15/20211,220,000 shares $11.22 million +20.8%5.6%0.7 $9.20 5/28/20211,010,000 shares $12.32 million +18.8%5.7%0.5 $12.20 5/14/2021850,500 shares $3.81 million +27.8%N/A0.4 $4.48 4/30/2021665,600 shares $3.80 million -29.0%N/A0.4 $5.71 4/15/2021937,100 shares $4.92 million +207.3%N/A0.6 $5.25 3/31/2021305,000 shares $1.30 million -62.6%N/A0.2 $4.25 3/15/2021816,300 shares $4.61 million +73.6%N/A0.5 $5.65 2/26/2021470,300 shares $2.09 million +38.8%N/A0.5 $4.45 2/12/2021338,900 shares $1.90 million -26.2%N/A0.4 $5.61 1/29/2021458,900 shares $1.18 million +19.2%N/A0.6 $2.57 1/15/2021385,100 shares $1.06 million -40.7%N/A0.8 $2.76 12/31/2020648,900 shares $1.45 million +39.4%N/A1.4 $2.23 12/15/2020465,400 shares $981,994.00 +8.1%N/A1 $2.11 11/30/2020430,400 shares $912,448.00 +10.5%N/A0.9 $2.12 11/15/2020389,600 shares $798,680.00 +10.9%N/A1 $2.05 10/30/2020351,300 shares $751,782.00 +66.8%N/A0.6 $2.14 10/15/2020210,600 shares $494,910.00 -32.1%N/A0.3 $2.35 9/30/2020310,000 shares $722,300.00 -42.8%N/A0.3 $2.33 9/15/2020542,000 shares $1.36 million -22.9%N/A0.3 $2.51 8/31/2020702,900 shares $1.71 million +0.8%N/A0.4 $2.43 8/14/2020697,200 shares $1.95 million -1.5%N/A0.4 $2.79 7/31/2020708,100 shares $2.59 million +4.9%N/A0.4 $3.66 7/15/2020675,200 shares $1.38 million +279.8%N/A0.4 $2.04 6/30/2020177,800 shares $357,378.00 +389.8%N/A0.1 $2.01 6/15/202036,300 shares $47,190.00 +32.0%N/A0 $1.30 5/29/202027,500 shares $34,375.00 +17.0%N/A0 $1.25 5/15/202023,500 shares $20,846.85 -56.4%N/A0 $0.89 4/30/202053,900 shares $51,205.00 +257.0%N/A0.1 $0.95 4/15/202015,100 shares $12,620.58 -66.4%N/A0 $0.84 3/31/202044,900 shares $42,655.00 -38.0%N/A0.3 $0.95 PDSB Short Interest - Frequently Asked Questions What is PDS Biotechnology's current short interest? Short interest is the volume of PDS Biotechnology shares that have been sold short but have not yet been closed out or covered. As of March 15th, investors have sold 3,860,000 shares of PDSB short. 11.40% of PDS Biotechnology's shares are currently sold short. Learn More on PDS Biotechnology's current short interest. What is a good short interest ratio for PDS Biotechnology? 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. PDSB shares currently have a short interest ratio of 6.0. Learn More on PDS Biotechnology's short interest ratio. Which institutional investors are shorting PDS Biotechnology? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of PDS Biotechnology: Citadel Advisors LLC, and 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 PDS Biotechnology? 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. 11.40% of PDS Biotechnology's floating shares are currently sold short. Is PDS Biotechnology's short interest increasing or decreasing? PDS Biotechnology saw a decrease in short interest during the month of March. As of March 15th, there was short interest totaling 3,860,000 shares, a decrease of 17.3% from the previous total of 4,670,000 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 PDS Biotechnology's short interest compare to its competitors? 11.40% of PDS Biotechnology's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to PDS Biotechnology: SOPHiA GENETICS SA (0.09%), Neurogene Inc. (12.59%), Contineum Therapeutics, Inc. (5.87%), Checkpoint Therapeutics, Inc. (14.22%), LifeVantage Co. (15.90%), Neumora Therapeutics, Inc. (23.02%), CARGO Therapeutics, Inc. (18.87%), Amarin Co. plc (2.69%), Tango Therapeutics, Inc. (15.41%), Ocugen, Inc. (24.21%), 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 PDS Biotechnology stock? Short selling PDSB is an investing strategy that aims to generate trading profit from PDS Biotechnology as its price is falling. PDSB 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 PDS Biotechnology? A short squeeze for PDS Biotechnology 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 PDSB, which in turn drives the price of the stock up even further. How often is PDS Biotechnology'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 PDSB, twice per month. The most recent reporting period available is March, 15 2025. More Short Interest Resources from MarketBeat Related Companies SOPHiA GENETICS Short Squeeze Neurogene Short Squeeze Contineum Therapeutics Short Squeeze Checkpoint Therapeutics Short Squeeze LifeVantage Short Squeeze Neumora Therapeutics Short Squeeze CARGO Therapeutics Short Squeeze Amarin Short Squeeze Tango Therapeutics Short Squeeze Ocugen 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:PDSB) was last updated on 3/28/2025 by MarketBeat.com Staff From Our PartnersElon 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 | SponsoredNew “Trump” currency proposed in DCAccording to one of the most connected men in Washington… A surprising new bill was just introduced in Wash...Paradigm Press | SponsoredTrump Makes Major Crypto AnnouncementTrump Ends the “War on Crypto” I expect it to pump the market, which is why I'm recommending ONE coin to al...Crypto 101 Media | SponsoredA market crash is coming—here’s whenThe stock market cycle I've used to identify the most likely day of the next market crash is the exact same in...Chaikin Analytics | SponsoredYour Wealth is Under AttackPlease don't wait—this is your moment to take action. 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