Portage Biotech (PRTG) Short Interest Ratio & Short Volume $7.02 +1.15 (+19.59%) Closing price 08/5/2025 03:59 PM EasternExtended Trading$6.90 -0.11 (-1.64%) As of 05:58 AM 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 AnalysisChartCompetitorsEarningsFDA EventsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Portage Biotech Short Interest DataPortage Biotech (PRTG) has a short interest of 51,000 shares, representing 9.12% of the float (the number of shares available for trading by the public). This marks a -45.57% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.2, indicating that it would take 0.2 days of the average trading volume of 19,741 shares to cover all short positions.Current Short Interest51,000 sharesPrevious Short Interest93,700 sharesChange Vs. Previous Month-45.57%Dollar Volume Sold Short$291.72 thousandShort Interest Ratio0.2 Days to CoverLast Record DateJuly 15, 2025Outstanding Shares1,050,000 sharesFloat Size559,100 sharesShort Percent of Float9.12%Today's Trading Volume153,563 sharesAverage Trading Volume19,741 sharesToday's Volume Vs. Average778% 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 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 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 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. 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 $1.32Trump set to Boost Social Security Checks by 400%? 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No wonder the financial times called this new initiative...Click here to see the details because the stakes couldn't be any higher. 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 $20.40Trump set to Boost Social Security Checks by 400%? (Ad)If you're collecting or planning to collect social security... You should see this presentation about President Trump's Executive Order #14196. Legendary investor Louis Navellier believes it could soon not only save Social Security from collapse... But BOOST benefits for millions of retirees by up to 400%. No wonder the financial times called this new initiative...Click here to see the details because the stakes couldn't be any higher. 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 covered or closed out. As of July 15th, traders have sold 51,000 shares of PRTG short. 9.12% 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. 9.12% of Portage Biotech's floating shares are currently sold short. Is Portage Biotech's short interest increasing or decreasing? Portage Biotech saw a drop in short interest during the month of July. As of July 15th, there was short interest totaling 51,000 shares, a drop of 45.6% from the previous total of 93,700 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 559,100 shares. How does Portage Biotech's short interest compare to its competitors? 9.12% 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: SCYNEXIS, Inc. (1.53%), Tempest Therapeutics, Inc. (4.93%), MIRA Pharmaceuticals, Inc. (9.30%), NanoViricides, Inc. (0.66%), Biodexa Pharmaceuticals PLC Unsponsored ADR (9.99%), Tenax Therapeutics, Inc. (9.27%), Lisata Therapeutics, Inc. (0.44%), Q32 Bio Inc. (12.54%), Longeveron Inc. (5.20%), CASI Pharmaceuticals Inc. (0.70%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Coinbase Global, Inc. ($5.11 billion), Charter Communications, Inc. ($4.76 billion), Reddit Inc. ($2.84 billion), SoFi Technologies, Inc. ($2.79 billion), Seagate Technology Holdings PLC ($2.79 billion), Live Nation Entertainment, Inc. ($2.67 billion), Rocket Lab Corporation ($2.49 billion), AST SpaceMobile, Inc. ($2.12 billion), Moderna, Inc. ($2.09 billion), and Omnicom Group Inc. ($2.04 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 $1.15 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 appreciates 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 July, 15 2025. More Short Interest Resources from MarketBeat Related Companies SCYX Short Squeeze TPST Short Squeeze MIRA Short Squeeze NNVC Short Squeeze BDRX Short Squeeze TENX Short Squeeze LSTA Short Squeeze QTTB Short Squeeze LGVN Short Squeeze CASI 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 8/6/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | Sponsored[Warning] Buffett Indicator hits new All-Time-HighWarren Buffett has leaned on one key indicator for decades—and it just hit an all-time high. That’s not bullis...Golden Portfolio | SponsoredAltucher: $900 to $108,000? 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