Petros Pharmaceuticals (PTPI) Short Interest Ratio & Short Volume $0.0061 0.00 (-4.69%) As of 05/22/2026 02:02 PM Eastern Add Compare Share Share Short Interest Stock AnalysisChartCompetitorsSEC FilingsTrendsBuy This Stock Petros Pharmaceuticals Short Interest OverviewAs of October 15, 2025, Petros Pharmaceuticals (PTPI) had a short interest of 344,900 shares sold short, representing 3.47% of the public float. This marks a -7.36% decrease in short interest since the prior report. The short interest ratio (days to cover) is 0.6, meaning it would take 0.6 days of the average trading volume of 109,033 shares to cover all short positions.Current Short Interest344,900 sharesPrevious Short Interest372,300 sharesChange Vs. Previous Month-7.36%Dollar Volume Sold Short$7.90 thousandShort Interest Ratio0.6 Days to CoverLast Record DateOctober 15, 2025Outstanding Shares31,160,000 sharesShort Percent of Float3.47%Today's Trading Volume93,186 sharesAverage Trading Volume109,033 sharesToday's Volume Vs. Average85% Short Selling Petros Pharmaceuticals? Sign up to receive the latest short interest report for Petros Pharmaceuticals and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By 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. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartPTPI Short Interest Over TimePTPI Days to Cover Over TimePTPI Percentage of Float Shorted Over Time Petros Pharmaceuticals Tesla Short Interest History & Recent Changes ExportReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 10/15/2025344,900 shares $7.90 thousand -7.4%3.5%0.6 $0.02 9/30/2025372,300 shares $8.94 thousand -0.4%N/A0.5 $0.02 9/15/2025373,600 shares $10.46 thousand +1.0%N/A0.5 $0.03 8/31/2025369,800 shares $10.72 thousand No Change3.7%0.7 $0.03 8/15/2025369,800 shares $11.32 thousand -8.0%N/A0.4 $0.03 7/31/2025401,900 shares $12.14 thousand +3.3%4.0%0.5 $0.03 7/15/2025389,100 shares $11.40 thousand +4.8%N/A0.4 $0.03 6/30/2025371,300 shares $12.44 thousand -7.9%3.7%0.3 $0.03 6/15/2025403,300 shares $12.50 thousand -11.7%4.1%0.3 $0.03 5/31/2025456,800 shares $15.12 thousand +91.9%4.6%0 $0.03 Get the Latest News and Ratings for PTPI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Petros Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 5/15/2025238,100 shares $38.10 thousand -51.8%2.4%0 $0.16 4/30/2025493,800 shares $148.14 thousand -83.5%28.2%0.1 $0.30 4/15/20253,000,000 shares $138 thousand +102.7%30.2%0.1 $0.05 3/31/20251,480,000 shares $102.27 thousand +98.6%14.9%0 $0.07 3/15/2025745,300 shares $62.90 thousand +113.1%7.5%0.1 $0.08 2/28/2025349,800 shares $34.21 thousand -83.3%3.5%0.1 $0.10 2/15/20252,100,000 shares $615.30 thousand +187.3%21.1%0.4 $0.29 1/31/2025731,000 shares $204.46 thousand +15.7%N/A0.4 $0.28 1/15/2025631,800 shares $189.54 thousand -2.2%6.9%0.3 $0.30 12/31/2024646,200 shares $254.54 thousand +139.6%7.1%0.3 $0.39 12/15/2024269,700 shares $88.95 thousand +48.9%3.0%0.2 $0.33 11/30/2024181,100 shares $49.69 thousand -9.7%2.0%0.9 $0.27 11/15/2024200,600 shares $51.96 thousand +0.7%2.2%1.1 $0.26 10/31/2024199,200 shares $73.70 thousand -27.2%2.2%1.2 $0.37 10/15/2024273,600 shares $83.39 thousand -7.2%3.1%1.4 $0.30 9/30/2024294,900 shares $105.28 thousand +25.4%3.4%1.3 $0.36 9/15/2024235,100 shares $85.65 thousand -20.6%2.7%0.8 $0.36 8/31/2024295,900 shares $98.45 thousand +13.5%3.5%0.8 $0.33 8/15/2024260,700 shares $86.97 thousand -40.0%3.1%0.6 $0.33 7/31/2024434,200 shares $176.29 thousand +69.9%7.1%1 $0.41 7/15/2024255,500 shares $116.00 thousand -28.5%4.2%0.6 $0.45 6/30/2024357,200 shares $163.42 thousand -23.7%5.8%1 $0.46 6/15/2024468,300 shares $194.58 thousand +202.3%7.7%1 $0.42 5/31/2024154,900 shares $95.14 thousand +82.9%2.5%0.3 $0.61 5/15/202484,700 shares $43.67 thousand -37.0%1.4%0.1 $0.52 4/30/2024134,500 shares $88.30 thousand +92.7%3.3%0.2 $0.66 4/15/202469,800 shares $54.66 thousand -52.3%1.7%0.1 $0.78 3/31/2024146,200 shares $216.38 thousand +65.4%3.6%0.1 $1.48 3/15/202488,400 shares $134.37 thousand -72.1%6.8%0.1 $1.52 2/29/2024317,200 shares $545.58 thousand +12.3%24.2%0.3 $1.72One algorithm, 17 years, nearly 2,000% total returns (Ad)A physicist in Dublin claims his AI algorithm has beaten the market for 17 consecutive years - with nearly 2,000% total returns and only one losing year across two decades of crises. 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The result is a new investigative documentary called 'Investigating Project Prophet,' available to stream now at no cost.Stream 'Investigating Project Prophet' free and see what they found 2/15/2024282,400 shares $434.90 thousand +16.5%21.9%0.3 $1.54 1/31/2024242,400 shares $293.30 thousand +2,208.6%18.8%0.4 $1.21 1/15/202410,500 shares $13.81 thousand -74.8%0.8%0 $1.32 12/31/202341,700 shares $58.80 thousand -66.5%3.1%0.2 $1.41 12/15/2023124,300 shares $172.78 thousand +571.9%9.1%0.6 $1.39 11/30/202318,500 shares $29.60 thousand -28.3%1.4%0.2 $1.60 11/15/202325,800 shares $34.31 thousand -41.6%2.0%0.8 $1.33 10/31/202344,200 shares $63.21 thousand -27.9%3.5%1.3 $1.43 10/15/202361,300 shares $98.07 thousand +415.1%4.9%1.4 $1.60 9/30/202311,900 shares $20.59 thousand +213.2%0.9%0 $1.73 9/15/20233,800 shares $6.88 thousand -82.3%0.3%0 $1.81 8/31/202321,500 shares $54.83 thousand -62.7%1.7%0.1 $2.55 8/15/202357,700 shares $184.64 thousand -21.9%3.9%0.2 $3.20 7/31/202373,900 shares $296.34 thousand -79.4%5.0%0.2 $4.01 7/15/2023359,100 shares $1.14 million +1,330.7%24.3%0.5 $3.19 6/30/202325,100 shares $50.95 thousand -27.0%1.7%0 $2.03 6/15/202334,400 shares $89.78 thousand -10.7%2.3%0 $2.61 5/31/202338,500 shares $89.71 thousand -13.5%2.6%0 $2.33 5/15/202344,500 shares $186.90 thousand -88.5%3.0%0 $4.20 4/30/2023385,300 shares $1.66 million +1,029.9%27.3%0.2 $4.30 4/15/202334,100 shares $156.52 thousand -22.5%2.4%0 $4.59 3/31/202344,000 shares $61.38 thousand +14.9%3.1%3.1 $1.40 3/15/202338,300 shares $56.68 thousand +13.0%2.7%2.1 $1.48 2/28/202333,900 shares $71.19 thousand -6.6%2.4%1.6 $2.10 2/15/202336,300 shares $92.20 thousand +23.1%2.5%1.8 $2.54 1/31/202329,500 shares $76.70 thousand -24.4%2.1%1.5 $2.60 1/15/202339,000 shares $118.95 thousand +14.0%2.7%1.6 $3.05 12/30/202234,200 shares $79.69 thousand +14.8%2.4%1.4 $2.33 12/15/202229,800 shares $63.18 thousand +43.3%2.1%1.8 $2.12 11/30/202220,800 shares $8.55 thousand -92.2%1.4%1.5 $0.41 11/15/2022265,700 shares $130.19 thousand +78.6%N/A2.1 $0.49 10/31/2022148,800 shares $71.42 thousand +9.3%N/A1 $0.48 10/15/2022136,200 shares $58.53 thousand +77.3%N/A0.2 $0.43 9/30/202276,800 shares $39.17 thousand -36.1%N/A0.1 $0.51 9/15/2022120,200 shares $78.68 thousand -7.1%N/A0.1 $0.65 8/31/2022129,400 shares $84.82 thousand +45.4%N/A0.1 $0.66 8/15/202289,000 shares $71.63 thousand +420.5%N/A0.1 $0.80 7/31/202217,100 shares $13.57 thousand -22.3%N/A0 $0.79 7/15/202222,000 shares $18.10 thousand -56.2%N/A0.1 $0.82 6/30/202250,200 shares $42.16 thousand +46.8%N/A0 $0.84 6/15/202234,200 shares $26.74 thousand -81.0%N/A0 $0.78 5/31/2022179,500 shares $174.98 thousand +89.2%N/A0.1 $0.97 5/15/202294,900 shares $91.11 thousand -30.0%N/A0.1 $0.96 4/30/2022135,600 shares $153.23 thousand -26.0%N/A0.1 $1.13 4/15/2022183,300 shares $221.79 thousand -39.8%N/A0.1 $1.21 3/31/2022304,400 shares $474.86 thousand +15.1%N/A0.4 $1.56 3/15/2022264,500 shares $285.66 thousand -39.7%N/A0.1 $1.08 2/28/2022438,900 shares $605.68 thousand -38.5%N/A0.1 $1.38 2/15/2022714,000 shares $1.14 million -15.3%N/A0.1 $1.59 1/31/2022842,700 shares $1.46 million -54.9%N/A0.1 $1.73Read now. 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Click here now. 1/15/20221,870,000 shares $4.90 million -19.7%N/A0.1 $2.62 12/31/20212,330,000 shares $7.76 million -22.9%28.1%0.1 $3.33 12/15/20213,020,000 shares $8.67 million +41.1%35.7%0.2 $2.87 11/30/20212,140,000 shares $6.12 million +459.6%55.9%0.2 $2.86 11/15/2021382,400 shares $833.63 thousand +359.6%8.9%0.1 $2.18 10/29/202183,200 shares $144.77 thousand -22.2%2.6%0 $1.74 10/15/2021106,900 shares $175.32 thousand +20.0%1.8%1.2 $1.64 9/30/202189,100 shares $178.20 thousand -22.9%1.5%1.6 $2.00 9/15/2021115,600 shares $239.29 thousand -20.8%1.9%2.1 $2.07 8/31/2021145,900 shares $328.28 thousand -16.1%2.4%1.8 $2.25 8/13/2021173,900 shares $525.18 thousand -9.1%2.8%1.7 $3.02 7/30/2021191,200 shares $581.25 thousand +19.3%3.1%0.9 $3.04 7/15/2021160,300 shares $488.92 thousand +18.3%2.6%0.8 $3.05 6/30/2021135,500 shares $424.12 thousand +21.1%2.2%0.7 $3.13 6/15/2021111,900 shares $349.13 thousand +105.0%1.8%0.5 $3.12 5/28/202154,600 shares $165.44 thousand -1.1%0.9%0.3 $3.03 PTPI Short Interest - Frequently Asked Questions What is Petros Pharmaceuticals' current short interest? Short interest is the volume of Petros Pharmaceuticals shares that have been sold short but have not yet been closed out or covered. As of October 15th, investors have sold 344,900 shares of PTPI short. 3.47% of Petros Pharmaceuticals' shares are currently sold short. Learn More on Petros Pharmaceuticals' current short interest. What is a good short interest ratio for Petros Pharmaceuticals? 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. PTPI shares currently have a short interest ratio of 0.6. Learn More on Petros Pharmaceuticals's short interest ratio. What is a good short interest percentage for Petros Pharmaceuticals? 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. 3.47% of Petros Pharmaceuticals' floating shares are currently sold short. Is Petros Pharmaceuticals' short interest increasing or decreasing? Petros Pharmaceuticals saw a drop in short interest during the month of October. As of October 15th, there was short interest totaling 344,900 shares, a drop of 7.4% from the previous total of 372,300 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 Petros Pharmaceuticals' short interest compare to its competitors? 3.47% of Petros Pharmaceuticals' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Petros Pharmaceuticals: CNS Pharmaceuticals, Inc. (4.80%), PainReform Ltd. (27.91%), ProPhase Labs, Inc. (5.31%), Clearmind Medicine Inc. (29.14%), Onconetix, Inc. (79.94%), Aditxt, Inc. (27.05%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($65.09 billion), Invesco QQQ ($34.25 billion), iShares Russell 2000 ETF ($20.99 billion), iShares 20+ Year Treasury Bond ETF ($11.14 billion), AppLovin Corporation ($10.34 billion), Palo Alto Networks, Inc. ($9.62 billion), SPDR S&P Biotech ETF ($7.84 billion), Strategy Inc ($7.53 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($6.44 billion), and Robinhood Markets, Inc. ($5.90 billion). View all of the most shorted stocks. What does it mean to sell short Petros Pharmaceuticals stock? Short selling PTPI is an investing strategy that aims to generate trading profit from Petros Pharmaceuticals as its price is falling. PTPI shares are trading down $0.00 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 Petros Pharmaceuticals? A short squeeze for Petros Pharmaceuticals 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 PTPI, which in turn drives the price of the stock up even further. How often is Petros Pharmaceuticals' 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 PTPI, twice per month. The most recent reporting period available is October, 15 2025. What do PTPI's short interest metrics mean? Understanding short interest metrics can help you assess how traders are positioning around a stock like PTPI:Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity. More Short Interest Resources from MarketBeat Related Companies CNS Pharmaceuticals Short Squeeze PainReform Short Squeeze ProPhase Labs Short Squeeze Clearmind Medicine Short Squeeze Onconetix Short Squeeze Aditxt Short Squeeze Ainos Short Squeeze Alvotech Short Squeeze Biofrontera Short Squeeze Celularity 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:PTPI) was last updated on 5/24/2026 by MarketBeat.com Staff. From Our PartnersHey, it's Jon Najarian. The SpaceX IPO is right around the corner. But I discovered Elon may have something BIGGER planned. 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