Portage Biotech (PRTG) Short Interest Ratio & Short Volume $7.84 +1.09 (+16.15%) Closing price 04/17/2025 04:00 PM EasternExtended Trading$7.97 +0.13 (+1.71%) As of 04/17/2025 06:23 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 AnalysisChartCompetitorsEarningsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Portage Biotech Short Interest DataPortage Biotech (PRTG) has a short interest of 308,400 shares, representing 50.72% of the float (the number of shares available for trading by the public). This marks a 2,134.78% increase in short interest from the previous month. The short interest ratio (days to cover) is 0.5, indicating that it would take 0.5 days of the average trading volume of 908,492 shares to cover all short positions.Current Short Interest308,400 sharesPrevious Short Interest13,800 sharesChange Vs. Previous Month+2,134.78%Dollar Volume Sold Short$2.85 millionShort Interest Ratio0.5 Days to CoverLast Record DateMarch 31, 2025Outstanding Shares1,049,000 sharesShort Percent of Float50.72%Today's Trading Volume751,640 sharesAverage Trading Volume908,492 sharesToday's Volume Vs. Average83% Short Selling Portage Biotech? Sign up to receive the latest short interest report for Portage 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 ChartPRTG Short Interest Over TimePRTG Days to Cover Over TimePRTG Percentage of Float Shorted Over Time Portage 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 3/31/2025308,400 shares $2.85 million +2,134.8%50.7%0.5 $9.25 3/15/202513,800 shares $58,098.00 -20.7%8.4%0.2 $4.21 2/28/202517,400 shares $78,474.00 +33.9%10.6%0 $4.51 2/15/202513,000 shares $59,930.00 -43.0%8.0%0 $4.61 1/31/202522,800 shares $100,548.00 +15.2%5.2%0 $4.41 1/15/202519,800 shares $78,606.00 -25.0%4.5%0 $3.97 12/31/202426,400 shares $136,488.00 +175.0%6.0%0 $5.17 12/15/20249,600 shares $28,800.00 +2.1%2.2%0 $3.00 11/30/20249,400 shares $39,339.00 -6.9%2.2%0 $4.19 11/15/202410,100 shares $41,309.00 -30.3%2.4%0 $4.09 Get the Latest News and Ratings for PRTG and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Portage Biotech and its competitors with MarketBeat's FREE daily newsletter. 10/31/202414,500 shares $82,360.00 -22.9%3.4%0 $5.68 10/15/202418,800 shares $117,688.00 +6.8%4.4%0 $6.26 9/30/202417,600 shares $117,040.00 +87.2%4.2%0 $6.65 9/15/20249,400 shares $33,464.00 -80.2%2.2%0 $3.56 8/31/202447,400 shares $163,530.00 +558.3%11.2%0.1 $3.45 8/15/20247,200 shares $25,200.00 -88.1%0.1%0 $3.50 7/31/202460,600 shares $10,671.66 -75.0%0.7%0.1 $0.18 7/15/2024242,000 shares $43,560.00 +1,628.6%2.8%0.3 $0.18 6/30/202414,000 shares $2,970.80 -74.5%0.2%0 $0.21 6/15/202454,900 shares $13,725.00 -9.3%0.6%0.2 $0.25 5/31/202460,500 shares $28,973.45 +2.2%0.7%0.2 $0.48 5/15/202459,200 shares $15,134.42 +2,473.9%0.7%0.3 $0.26 4/30/20242,300 shares $559.13 -72.6%0.0%0 $0.24 4/15/20248,400 shares $2,856.00 +29.2%0.1%0.1 $0.34 3/31/20246,500 shares $3,661.45 -57.8%0.1%0.1 $0.56 3/15/202415,400 shares $8,470.00 -84.6%0.2%0.2 $0.55 2/29/2024100,200 shares $59,118.00 +902.0%1.2%1.8 $0.59 2/15/202410,000 shares $6,005.00 -9.1%0.1%0.2 $0.60 1/31/202411,000 shares $9,571.10 +44.7%0.1%0.3 $0.87 1/15/20247,600 shares $8,208.00 +16.9%0.1%0.2 $1.08 12/31/20236,500 shares $11,830.00 -63.1%0.1%0.2 $1.82 12/15/202317,600 shares $22,352.00 -25.4%0.2%0.5 $1.27 11/30/202323,600 shares $31,034.00 -56.4%0.3%0.8 $1.32 11/15/202354,100 shares $78,445.00 +4.4%0.7%2 $1.45 10/31/202351,800 shares $102,823.00 -8.3%0.6%2.3 $1.99 10/15/202356,500 shares $119,780.00 +4.2%0.7%2.5 $2.12 9/30/202354,200 shares $113,278.00 +32.2%0.7%2.9 $2.09 9/15/202341,000 shares $118,490.00 +494.2%0.5%2.9 $2.89 8/31/20236,900 shares $17,664.00 -27.4%0.1%0.5 $2.56 8/15/20239,500 shares $22,800.00 +30.1%0.1%0.7 $2.40The first casualty of the 2025 trade war (Ad)The headlines scream tariffs and export bans — but the real damage is happening in retirement portfolios. Tim Plaehn reveals how the 2025 trade war is quietly eroding dividend income — and which U.S.-focused stocks are still raising payouts.Watch the 2025 Trade War dividend protection briefing now 7/31/20237,300 shares $23,506.00 +1.4%0.1%0.5 $3.22 7/15/20237,200 shares $24,408.00 +22.0%0.1%0.5 $3.39 6/30/20235,900 shares $20,591.00 -24.4%0.1%0.4 $3.49 6/15/20237,800 shares $28,860.00 -1.3%0.1%0.4 $3.70 5/31/20237,900 shares $27,492.00 -75.8%0.1%0.3 $3.48 5/15/202332,600 shares $104,646.00 -10.4%0.4%1.3 $3.21 4/30/202336,400 shares $121,576.00 -34.8%0.5%1.3 $3.34 4/15/202355,800 shares $175,770.00 +5.5%0.7%1.7 $3.15 3/31/202352,900 shares $163,461.00 +32.6%0.7%1.5 $3.09 3/15/202339,900 shares $119,700.00 -6.8%0.5%1.1 $3.00 2/28/202342,800 shares $163,496.00 -9.1%0.5%1.1 $3.82 2/15/202347,100 shares $198,762.00 -3.1%0.4%1.3 $4.22 1/31/202348,600 shares $250,290.00 +7.5%0.4%1.4 $5.15 1/15/202345,200 shares $246,150.16 -11.2%0.3%1.7 $5.45 12/30/202250,900 shares $269,261.00 +7.4%0.4%2.1 $5.29 12/15/202247,400 shares $237,000.00 -0.8%0.4%2.3 $5.00 11/30/202247,800 shares $281,064.00 +2.6%0.4%2.6 $5.88 11/15/202246,600 shares $280,066.00 +2.4%0.4%3.2 $6.01 10/31/202245,500 shares $298,935.00 -23.1%0.3%3.2 $6.57 10/15/202259,200 shares $400,192.00 +11.1%0.9%3.9 $6.76 9/30/202253,300 shares $363,506.00 +1.0%0.8%3.3 $6.82 9/15/202252,800 shares $414,480.00 -23.6%0.8%2 $7.85 8/31/202269,100 shares $532,761.00 +0.4%1.4%2.3 $7.71 8/15/202268,800 shares $580,672.00 -12.1%1.4%1.9 $8.44 7/31/202278,300 shares $792,396.00 +9.2%1.5%1.8 $10.12 7/15/202271,700 shares $646,017.00 -6.0%1.4%1.6 $9.01 6/30/202276,300 shares $532,574.00 -56.2%1.5%1.7 $6.98 6/15/2022174,100 shares $1.55 million -11.4%3.4%3.9 $8.93 5/31/2022196,500 shares $1.97 million -20.7%3.9%5.4 $10.00 5/15/2022247,900 shares $1.54 million +6.3%4.9%6.8 $6.20 4/30/2022233,200 shares $1.29 million +13.6%4.6%8.2 $5.54 4/15/2022205,300 shares $1.31 million +3.5%4.0%7.7 $6.39 3/31/2022198,400 shares $1.30 million +5.4%3.9%8.1 $6.57 3/15/2022188,200 shares $1.41 million +3.9%3.7%8.1 $7.51 2/28/2022181,100 shares $1.44 million +11.5%3.6%7.8 $7.95 2/15/2022162,400 shares $1.44 million +9.5%3.2%6.7 $8.84 1/31/2022148,300 shares $1.29 million +1.4%2.9%6 $8.68 1/15/2022146,200 shares $1.54 million +2.2%2.9%5.6 $10.54 12/31/2021143,100 shares $1.54 million +12.8%2.9%5.7 $10.73 12/15/2021126,900 shares $1.54 million +3.9%2.6%5.2 $12.13 11/30/2021122,200 shares $1.80 million -9.3%2.5%4.5 $14.73 11/15/2021134,700 shares $2.94 million -9.5%2.8%5.6 $21.86 10/29/2021148,800 shares $3.04 million +3.1%3.0%6.1 $20.40 10/15/2021144,400 shares $3.00 million -8.5%3.0%5.4 $20.79 9/30/2021157,800 shares $3.21 million +0.9%3.2%4.8 $20.32 9/15/2021156,400 shares $2.97 million -10.1%3.2%2.2 $18.97 8/31/2021174,000 shares $3.53 million -0.7%3.6%2.4 $20.31 8/13/2021175,200 shares $3.03 million No Change3.6%2.4 $17.32 PRTG Short Interest - Frequently Asked Questions What is Portage Biotech's current short interest? Short interest is the volume of Portage Biotech shares that have been sold short but have not yet been closed out or covered. As of March 31st, traders have sold 308,400 shares of PRTG short. 50.72% of Portage Biotech's shares are currently sold short. Learn More on Portage Biotech's current short interest. Which institutional investors are shorting Portage Biotech? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Portage Biotech: 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 Portage 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. 50.72% of Portage Biotech's floating shares are currently sold short. Is Portage Biotech's short interest increasing or decreasing? Portage Biotech saw a increase in short interest during the month of March. As of March 31st, there was short interest totaling 308,400 shares, an increase of 2,134.8% from the previous total of 13,800 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 Portage Biotech's short interest compare to its competitors? 50.72% of Portage Biotech's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Portage Biotech: Passage Bio, Inc. (3.35%), Cara Therapeutics, Inc. (1.74%), Cognition Therapeutics, Inc. (3.07%), Ovid Therapeutics Inc. (2.14%), Longeveron Inc. (5.13%), Pulmatrix, Inc. (1.01%), Reviva Pharmaceuticals Holdings, Inc. (11.99%), Mural Oncology plc (3.88%), Natural Alternatives International, Inc. (0.08%), Enlivex Therapeutics Ltd. (0.56%), 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 Portage Biotech stock? Short selling PRTG is an investing strategy that aims to generate trading profit from Portage Biotech as its price is falling. PRTG shares are trading up $1.09 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 Portage Biotech? A short squeeze for Portage 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 PRTG, which in turn drives the price of the stock up even further. How often is Portage 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 PRTG, twice per month. The most recent reporting period available is March, 31 2025. 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