PureTech Health (PTCHF) Short Interest Ratio & Short Volume $1.76 0.00 (0.00%) As of 07/11/2025 Add Compare Share Share Short Interest Stock AnalysisChartSEC FilingsShort InterestBuy This Stock PureTech Health Short Interest DataPureTech Health (PTCHF) has a short interest of 106,500 shares. This marks a 3.20% increase in short interest from the previous month. The short interest ratio (days to cover) is 31.3, indicating that it would take 31.3 days of the average trading volume of 6,252 shares to cover all short positions.Current Short Interest106,500 sharesPrevious Short Interest103,200 sharesChange Vs. Previous Month+3.20%Dollar Volume Sold Short$175.94 thousandShort Interest Ratio31.3 Days to CoverLast Record DateJune 30, 2025Today's Trading Volume0 sharesAverage Trading Volume6,252 sharesToday's Volume Vs. Average0% Short Selling PureTech Health? Sign up to receive the latest short interest report for PureTech Health and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartPTCHF Short Interest Over TimePTCHF Days to Cover Over TimePTCHF Percentage of Float Shorted Over Time PureTech Health Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/30/2025106,500 shares $175.94 thousand +3.2%N/A31.3 $1.65 6/15/2025103,200 shares $173.38 thousand +4.8%N/A13.1 $1.68 5/31/202598,500 shares $165.48 thousand +2.7%N/A0 $1.68 5/15/202595,900 shares $161.11 thousand +2.6%N/A959 $1.68 4/30/202593,500 shares $154.28 thousand -1.0%N/A42.5 $1.65 4/15/202594,400 shares $155.76 thousand +2.9%N/A14.1 $1.65 3/31/202591,700 shares $160.48 thousand No ChangeN/A43.7 $1.75 3/15/202591,700 shares $162.31 thousand No ChangeN/A76.4 $1.77 2/28/202591,700 shares $159.56 thousand +93.5%N/A61.1 $1.74 2/15/202547,400 shares $82.29 thousand +1,723.1%N/A33.9 $1.74 Get the Latest News and Ratings for PTCHF and Related StocksEnter your email address below to receive the latest news and analysts' ratings for PureTech Health and its competitors with MarketBeat's FREE daily newsletter. 1/31/20252,600 shares $4.73 thousand No ChangeN/A0.3 $1.82 1/15/20252,600 shares $4.34 thousand -56.7%N/A0.7 $1.67 12/31/20246,000 shares $12 thousand -60.3%N/A1.8 $2.00 12/15/202415,100 shares $32.47 thousand -19.7%N/A2.6 $2.15 11/30/202418,800 shares $39.86 thousand -65.2%N/A8.2 $2.12 11/15/202454,000 shares $114.26 thousand +730.8%N/A2.1 $2.12 10/31/20246,500 shares $12.94 thousand -33.7%N/A0.6 $1.99 10/15/20249,800 shares $18.62 thousand +308.3%N/A1 $1.90 9/30/20242,400 shares $5.04 thousand -53.9%N/A1.3 $2.10 9/15/20245,200 shares $9.87 thousand -69.1%N/A1 $1.90 8/31/202416,800 shares $35.11 thousand -32.0%N/A5.1 $2.09 8/15/202424,700 shares $52.61 thousand -17.1%N/A1.3 $2.13 7/31/202429,800 shares $64.07 thousand -3.3%N/A0.8 $2.15 7/15/202430,800 shares $67.14 thousand +48.8%N/A0.3 $2.18 6/30/202420,700 shares $48.62 thousand +122.6%N/A4.1 $2.35 6/15/20249,300 shares $25.74 thousand +8.1%N/A5.8 $2.77 5/31/20248,600 shares $24.94 thousand -63.1%N/A0.1 $2.90 5/15/202423,300 shares $65.24 thousand +2.2%N/A0.4 $2.80 4/30/202422,800 shares $61.56 thousand -53.0%N/A0.9 $2.70 4/15/202448,500 shares $134.83 thousand -29.1%N/A7.3 $2.78 3/31/202468,400 shares $192.89 thousand +38.7%N/A1.2 $2.82 3/15/202449,300 shares $125.72 thousand +35.1%N/A1.3 $2.55 2/29/202436,500 shares $90.19 thousand -0.3%N/A0.2 $2.47 2/15/202436,600 shares $84.18 thousand -28.0%N/A1.8 $2.30 1/15/202456,600 shares $131.31 thousand -40.9%N/A1.7 $2.32 12/31/202395,700 shares $227.77 thousand -0.5%N/A6.8 $2.38 12/15/202396,200 shares $182.68 thousand -8.7%N/A0.1 $1.90 11/30/2023105,400 shares $201.31 thousand -7.2%N/A0.6 $1.91 11/15/2023113,600 shares $261.28 thousand +38.7%N/A34.4 $2.30 10/31/202381,900 shares $165.44 thousand +62.5%N/A7.2 $2.02Banks aren’t ready for this altcoin—are you? 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Discover the protocol that crypto whales are secretly accumulating... 10/15/202350,400 shares $106.34 thousand -6.5%N/A33.6 $2.11 9/30/202353,900 shares $119.66 thousand -11.9%N/A4 $2.22 9/15/202361,200 shares $163.40 thousand -1.3%N/A8.2 $2.67 8/31/202362,000 shares $163.43 thousand -4.8%N/A30.9 $2.64 8/15/202365,100 shares $152.99 thousand -13.7%N/A108.5 $2.35 7/31/202375,400 shares $209.61 thousand +14.8%N/A12.8 $2.78 7/15/202365,700 shares $196.44 thousand +11.4%N/A17.8 $2.99 6/30/202359,000 shares $159.30 thousand +6.7%N/A147.5 $2.70 6/15/202355,300 shares $165.49 thousand +26.0%N/A9.9 $2.99 5/31/202343,900 shares $121.17 thousand +3.1%N/A1 $2.76 5/15/202342,600 shares $108.63 thousand +96.3%N/A6.4 $2.55 4/30/202321,700 shares $55.55 thousand No ChangeN/A3 $2.56 4/15/202321,700 shares $58.59 thousand No ChangeN/A16.7 $2.70 3/31/202321,700 shares $60.76 thousand -2.7%N/A1.4 $2.80 3/15/202322,300 shares $58.09 thousand -7.5%N/A74.3 $2.61 2/28/202324,100 shares $61.22 thousand -19.4%N/A12.1 $2.54 2/15/202329,900 shares $85.36 thousand -16.5%N/A6.8 $2.86 1/31/202335,800 shares $112.41 thousand -21.5%N/A7.8 $3.14 1/15/202345,600 shares $142.50 thousand -49.6%N/A13 $3.13 12/30/202290,400 shares $277.53 thousand +4.6%N/A9.7 $3.07 12/15/202286,400 shares $288.49 thousand -45.7%N/A10.4 $3.34 11/30/2022159,100 shares $516.68 thousand +26.3%N/A15.4 $3.25 11/15/2022126,000 shares $337.24 thousand +19.4%N/A10.6 $2.68 10/31/2022105,500 shares $263.76 thousand +5.7%N/A10.2 $2.50 10/15/202299,800 shares $263.47 thousand +266.9%N/A18.1 $2.64 9/30/202227,200 shares $74.80 thousand +142.9%N/A4 $2.75 9/15/202211,200 shares $33.60 thousand -22.8%N/A4.3 $3.00 8/31/202214,500 shares $42.05 thousand -16.7%N/A24.2 $2.90 8/15/202217,400 shares $49.24 thousand +176.2%N/A2.3 $2.83 7/31/20226,300 shares $14.99 thousand -1.6%N/A2.1 $2.38 7/15/20226,400 shares $14.24 thousand +56.1%N/A3 $2.23 6/30/20224,100 shares $8.82 thousand +51.9%N/A1 $2.15 6/15/20222,700 shares $5.20 thousand +2,600.0%N/A0.2 $1.93 5/31/2022100 shares $232.00 -66.7%N/A0 $2.32 5/15/2022300 shares $657.00 -90.6%N/A0.2 $2.19 4/30/20223,200 shares $7.10 thousand +77.8%N/A0.2 $2.22 4/15/20221,800 shares $4.61 thousand -33.3%N/A0.3 $2.56 3/31/20222,700 shares $7.21 thousand +50.0%N/A1.1 $2.67 3/15/20221,800 shares $4.64 thousand -52.6%N/A1.3 $2.58 2/28/20223,800 shares $10.83 thousand -7.3%N/A0.1 $2.85 2/15/20224,100 shares $14.76 thousand -60.6%N/A0.1 $3.60 1/31/202210,400 shares $37.13 thousand +50.7%N/A0.9 $3.57 1/15/20226,900 shares $26.81 thousand -97.2%N/A2.1 $3.89 12/31/2021247,000 shares $980.59 thousand +371.4%N/A17.6 $3.97 12/15/202152,400 shares $200.17 thousand +11.7%N/A8.2 $3.82 11/30/202146,900 shares $181.50 thousand -11.8%N/A4 $3.87 11/15/202153,200 shares $240.20 thousand +1.5%N/A0.7 $4.52 10/29/202152,400 shares $251.52 thousand +54.1%N/A17.5 $4.80 10/15/202134,000 shares $168.30 thousand +86.8%N/A10.3 $4.95 9/30/202118,200 shares $89.18 thousand +116.7%N/A0.4 $4.90Banks aren’t ready for this altcoin—are you? 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Discover the protocol that crypto whales are secretly accumulating... 9/15/20218,400 shares $40.07 thousand +300.0%N/A0.2 $4.77 8/31/20212,100 shares $10.53 thousand -95.8%N/A0.4 $5.01 8/13/202149,400 shares $234.16 thousand +89.3%N/A0.5 $4.74 7/30/202126,100 shares $122.41 thousand -34.9%N/A0.3 $4.69 7/15/202140,100 shares $180.05 thousand +3.4%N/A0.8 $4.49 6/30/202138,800 shares $185.66 thousand +29.8%N/A1.1 $4.79 6/15/202129,900 shares $152.49 thousand +9,866.7%N/A1.7 $5.10 5/28/2021300 shares $1.75 thousand -86.4%N/A0.2 $5.82 5/14/20212,200 shares $11.62 thousand +29.4%N/A1.1 $5.28 4/30/20211,700 shares $9.64 thousand -34.6%N/A1.4 $5.67 4/15/20212,600 shares $14.65 thousand +44.4%N/A0.3 $5.64 3/31/20211,800 shares $9.99 thousand -37.9%N/A0.9 $5.55 3/15/20212,900 shares $16.41 thousand -77.3%N/A0.3 $5.66 2/26/202112,800 shares $75.26 thousand +12,700.0%N/A1 $5.88 2/12/2021100 shares $0.00 -75.0%N/A0 $0.00 1/29/2021400 shares $0.00 -73.3%N/A0.1 $0.00 1/15/20214,200 shares $0.00 +50.0%N/A1.3 $0.00 12/31/20203,500 shares $0.00 -16.7%N/A0.4 $0.00 PTCHF Short Interest - Frequently Asked Questions What is PureTech Health's current short interest? Short interest is the volume of PureTech Health shares that have been sold short but have not yet been covered or closed out. As of June 30th, traders have sold 106,500 shares of PTCHF short. Learn More on PureTech Health's current short interest. What is a good short interest ratio for PureTech Health? 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. PTCHF shares currently have a short interest ratio of 31.0. Learn More on PureTech Health's short interest ratio. Is PureTech Health's short interest increasing or decreasing? PureTech Health saw a increase in short interest in the month of June. As of June 30th, there was short interest totaling 106,500 shares, an increase of 3.2% from the previous total of 103,200 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 PureTech Health's short interest compare to its competitors? Here is how the short interest of companies in the industry of "pharmaceutical products" compare to PureTech Health: Ampio Pharmaceuticals, Inc. (0.01%), 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 ($72.10 billion), Invesco QQQ ($26.89 billion), iShares Russell 2000 ETF ($19.61 billion), MicroStrategy Incorporated ($9.52 billion), iShares 20+ Year Treasury Bond ETF ($8.70 billion), WD-40 Company ($7.66 billion), Technology Select Sector SPDR Fund ($6.10 billion), Invesco S&P 500 Equal Weight ETF ($5.80 billion), Invesco S&P 500 Top 50 ETF ($5.53 billion), and Vanguard Large-Cap ETF ($5.35 billion). View all of the most shorted stocks. What does it mean to sell short PureTech Health stock? Short selling PTCHF is an investing strategy that aims to generate trading profit from PureTech Health 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 PureTech Health? A short squeeze for PureTech Health 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 PTCHF, which in turn drives the price of the stock up even further. How often is PureTech Health'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 PTCHF, twice per month. The most recent reporting period available is June, 30 2025. More Short Interest Resources from MarketBeat Related Companies FFNTF Short Squeeze AGNPF Short Squeeze ALST Short Squeeze ALVOW Short Squeeze ABMC Short Squeeze AOBI Short Squeeze AMPE Short Squeeze ANTH Short Squeeze AZNCF Short Squeeze AVVH Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (OTCMKTS:PTCHF) was last updated on 7/13/2025 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 | SponsoredThis Signal Only Flashes Once Every 4 Years – And It Just TriggeredThis same signal has appeared twice before in the past 8 years — both times, it kicked off major moves in cryp...Crypto Swap Profits | SponsoredMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredPresidential Bombshell: $150T Resource to Be Released as soon as this Summer?Something extraordinary is happening in Washington. 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