Portage Biotech (PRTG) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisChartCompetitorsEarningsFDA EventsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Portage Biotech Short Interest DataPortage Biotech (PRTG) has a short interest of 36,200 shares, representing 4.28% of the float (the number of shares available for trading by the public). This marks a -3.21% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.4, indicating that it would take 0.4 days of the average trading volume of 56,380 shares to cover all short positions.Current Short Interest36,200 sharesPrevious Short Interest37,400 sharesChange Vs. Previous Month-3.21%Dollar Volume Sold Short$314.22 thousandShort Interest Ratio0.4 Days to CoverLast Record DateAugust 15, 2025Outstanding Shares1,050,000 sharesFloat Size845,000 sharesShort Percent of Float4.28%Today's Trading Volume377,941 sharesAverage Trading Volume56,380 sharesToday's Volume Vs. Average670% 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 Get Report View SMS TermsBy 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. 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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 8/15/202536,200 shares $314.22 thousand -3.2%4.3%0.4 $8.68 7/31/202537,400 shares $222.90 thousand -26.7%4.4%0.4 $5.96 7/15/202551,000 shares $291.72 thousand -45.6%9.1%0.2 $5.72 6/30/202593,700 shares $517.22 thousand +964.8%16.8%0.1 $5.52 6/15/20258,800 shares $52.71 thousand -45.7%3.2%0 $5.99 5/31/202516,200 shares $127.49 thousand -67.3%5.9%0 $7.87 5/15/202549,600 shares $374.48 thousand -56.6%30.3%0 $7.55 4/30/2025114,400 shares $1.36 million -13.3%70.0%0.1 $11.85 4/15/2025131,900 shares $1.05 million -57.2%80.7%0.1 $7.99 3/31/2025308,400 shares $2.85 million +2,134.8%50.7%0.5 $9.25 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. 3/15/202513,800 shares $58.10 thousand -20.7%8.4%0.2 $4.21 2/28/202517,400 shares $78.47 thousand +33.9%10.6%0 $4.51 2/15/202513,000 shares $59.93 thousand -43.0%8.0%0 $4.61 1/31/202522,800 shares $100.55 thousand +15.2%5.2%0 $4.41 1/15/202519,800 shares $78.61 thousand -25.0%4.5%0 $3.97 12/31/202426,400 shares $136.49 thousand +175.0%6.0%0 $5.17 12/15/20249,600 shares $28.80 thousand +2.1%2.2%0 $3.00 11/30/20249,400 shares $39.34 thousand -6.9%2.2%0 $4.19 11/15/202410,100 shares $41.31 thousand -30.3%2.4%0 $4.09 10/31/202414,500 shares $82.36 thousand -22.9%3.4%0 $5.68 10/15/202418,800 shares $117.69 thousand +6.8%4.4%0 $6.26 9/30/202417,600 shares $117.04 thousand +87.2%4.2%0 $6.65 9/15/20249,400 shares $33.46 thousand -80.2%2.2%0 $3.56 8/31/202447,400 shares $163.53 thousand +558.3%11.2%0.1 $3.45 8/15/20247,200 shares $25.20 thousand -88.1%0.1%0 $3.50 7/31/202460,600 shares $10.67 thousand -75.0%0.7%0.1 $0.18 7/15/2024242,000 shares $43.56 thousand +1,628.6%2.8%0.3 $0.18 6/30/202414,000 shares $2.97 thousand -74.5%0.2%0 $0.21 6/15/202454,900 shares $13.73 thousand -9.3%0.6%0.2 $0.25 5/31/202460,500 shares $28.97 thousand +2.2%0.7%0.2 $0.48 5/15/202459,200 shares $15.13 thousand +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 $2.86 thousand +29.2%0.1%0.1 $0.34 3/31/20246,500 shares $3.66 thousand -57.8%0.1%0.1 $0.56 3/15/202415,400 shares $8.47 thousand -84.6%0.2%0.2 $0.55 2/29/2024100,200 shares $59.12 thousand +902.0%1.2%1.8 $0.59 2/15/202410,000 shares $6.01 thousand -9.1%0.1%0.2 $0.60 1/31/202411,000 shares $9.57 thousand +44.7%0.1%0.3 $0.87 1/15/20247,600 shares $8.21 thousand +16.9%0.1%0.2 $1.08 12/31/20236,500 shares $11.83 thousand -63.1%0.1%0.2 $1.82 12/15/202317,600 shares $22.35 thousand -25.4%0.2%0.5 $1.27 11/30/202323,600 shares $31.03 thousand -56.4%0.3%0.8 $1.32 11/15/202354,100 shares $78.45 thousand +4.4%0.7%2 $1.45 10/31/202351,800 shares $102.82 thousand -8.3%0.6%2.3 $1.99 10/15/202356,500 shares $119.78 thousand +4.2%0.7%2.5 $2.12 9/30/202354,200 shares $113.28 thousand +32.2%0.7%2.9 $2.09 9/15/202341,000 shares $118.49 thousand +494.2%0.5%2.9 $2.89 8/31/20236,900 shares $17.66 thousand -27.4%0.1%0.5 $2.56 8/15/20239,500 shares $22.80 thousand +30.1%0.1%0.7 $2.40 7/31/20237,300 shares $23.51 thousand +1.4%0.1%0.5 $3.22 7/15/20237,200 shares $24.41 thousand +22.0%0.1%0.5 $3.39 6/30/20235,900 shares $20.59 thousand -24.4%0.1%0.4 $3.49 6/15/20237,800 shares $28.86 thousand -1.3%0.1%0.4 $3.70 5/31/20237,900 shares $27.49 thousand -75.8%0.1%0.3 $3.48 5/15/202332,600 shares $104.65 thousand -10.4%0.4%1.3 $3.21 4/30/202336,400 shares $121.58 thousand -34.8%0.5%1.3 $3.34 4/15/202355,800 shares $175.77 thousand +5.5%0.7%1.7 $3.15 3/31/202352,900 shares $163.46 thousand +32.6%0.7%1.5 $3.09 3/15/202339,900 shares $119.70 thousand -6.8%0.5%1.1 $3.00 2/28/202342,800 shares $163.50 thousand -9.1%0.5%1.1 $3.82 2/15/202347,100 shares $198.76 thousand -3.1%0.4%1.3 $4.22 1/31/202348,600 shares $250.29 thousand +7.5%0.4%1.4 $5.15 1/15/202345,200 shares $246.15 thousand -11.2%0.3%1.7 $5.45 12/30/202250,900 shares $269.26 thousand +7.4%0.4%2.1 $5.29 12/15/202247,400 shares $237 thousand -0.8%0.4%2.3 $5.00 11/30/202247,800 shares $281.06 thousand +2.6%0.4%2.6 $5.88 11/15/202246,600 shares $280.07 thousand +2.4%0.4%3.2 $6.01 10/31/202245,500 shares $298.94 thousand -23.1%0.3%3.2 $6.57 10/15/202259,200 shares $400.19 thousand +11.1%0.9%3.9 $6.76 9/30/202253,300 shares $363.51 thousand +1.0%0.8%3.3 $6.82 9/15/202252,800 shares $414.48 thousand -23.6%0.8%2 $7.85 8/31/202269,100 shares $532.76 thousand +0.4%1.4%2.3 $7.71 8/15/202268,800 shares $580.67 thousand -12.1%1.4%1.9 $8.44 7/31/202278,300 shares $792.40 thousand +9.2%1.5%1.8 $10.12 7/15/202271,700 shares $646.02 thousand -6.0%1.4%1.6 $9.01 6/30/202276,300 shares $532.57 thousand -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 August 15th, investors have sold 36,200 shares of PRTG short. 4.28% of Portage Biotech's shares are currently sold short. Learn More on Portage Biotech's current short interest. 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. 4.28% of Portage Biotech's floating shares are currently sold short. Is Portage Biotech's short interest increasing or decreasing? Portage Biotech saw a decrease in short interest in August. As of August 15th, there was short interest totaling 36,200 shares, a decrease of 3.2% from the previous total of 37,400 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 Portage Biotech's float size? Portage Biotech currently has issued a total of 1,050,000 shares. Some of Portage Biotech'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. Portage Biotech currently has a public float of 845,000 shares. How does Portage Biotech's short interest compare to its competitors? 4.28% 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: Iterum Therapeutics PLC (3.59%), CASI Pharmaceuticals Inc. (8.18%), Kezar Life Sciences, Inc. (11.77%), Promis Neurosciences (0.43%), Dare Bioscience, Inc. (1.97%), Tenax Therapeutics, Inc. (7.90%), Clearside Biomedical, Inc. (2.29%), BioAtla, Inc. (7.56%), MIRA Pharmaceuticals, Inc. (1.84%), FibroBiologics Inc. (3.67%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Lucid Group, Inc. ($8.00 billion), Spotify Technology ($5.48 billion), AppLovin Corporation ($5.11 billion), Reddit Inc. ($5.02 billion), Coinbase Global, Inc. ($3.99 billion), Charter Communications, Inc. ($3.89 billion), Live Nation Entertainment, Inc. ($3.18 billion), Seagate Technology Holdings PLC ($2.59 billion), ResMed Inc. ($2.55 billion), and Rocket Lab Corporation ($2.52 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. 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 August, 15 2025. More Short Interest Resources from MarketBeat Related Companies ITRM Short Squeeze CASI Short Squeeze KZR Short Squeeze PMN Short Squeeze DARE Short Squeeze TENX Short Squeeze CLSD Short Squeeze BCAB Short Squeeze MIRA Short Squeeze FBLG 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:PRTG) was last updated on 9/7/2025 by MarketBeat.com Staff From Our PartnersWhy Trump’s “Smart Dollar” could rewrite the rulesMUST SEE: Donald Trump's Radical Overhaul of the U.S. Dollar Congress just approved President Trump's lates...Stansberry Research | SponsoredYour Bank Account Is No Longer SafeWhat If Washington Declared That: YOUR Money ISN'T Actually Yours? Sounds insane, but that's exactly what ...Priority Gold | SponsoredTrump's Law S.1582: $21T Dollar Revolution ComingDo you have money in any of these banks? Chase. Bank of America. Citigroup. Wells Fargo. 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