PureTech Health (PTCHF) Short Interest Ratio & Short Volume $1.57 -0.08 (-4.85%) As of 04/17/2025 11:26 AM Eastern Add Compare Share Share Short Interest Stock AnalysisChartSEC FilingsShort InterestBuy This Stock PureTech Health Short Interest DataPureTech Health (PTCHF) has a short interest of 91,700 shares. This marks a 0.00% change in short interest from the previous month. The short interest ratio (days to cover) is 43.7, indicating that it would take 43.7 days of the average trading volume of 7,414 shares to cover all short positions.Current Short Interest91,700 sharesPrevious Short Interest91,700 sharesChange Vs. Previous MonthNo ChangeDollar Volume Sold Short$160,475.00Short Interest Ratio43.7 Days to CoverLast Record DateMarch 31, 2025Today's Trading Volume8,040 sharesAverage Trading Volume7,414 sharesToday's Volume Vs. Average108% Short Selling PureTech Health? 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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 3/31/202591,700 shares $160,475.00 No ChangeN/A43.7 $1.75 3/15/202591,700 shares $162,309.00 No ChangeN/A76.4 $1.77 2/28/202591,700 shares $159,558.00 +93.5%N/A61.1 $1.74 2/15/202547,400 shares $82,286.40 +1,723.1%N/A33.9 $1.74 1/31/20252,600 shares $4,732.00 No ChangeN/A0.3 $1.82 1/15/20252,600 shares $4,342.00 -56.7%N/A0.7 $1.67 12/31/20246,000 shares $12,000.00 -60.3%N/A1.8 $2.00 12/15/202415,100 shares $32,465.00 -19.7%N/A2.6 $2.15 11/30/202418,800 shares $39,856.00 -65.2%N/A8.2 $2.12 11/15/202454,000 shares $114,264.00 +730.8%N/A2.1 $2.12 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. 10/31/20246,500 shares $12,938.25 -33.7%N/A0.6 $1.99 10/15/20249,800 shares $18,620.00 +308.3%N/A1 $1.90 9/30/20242,400 shares $5,040.00 -53.9%N/A1.3 $2.10 9/15/20245,200 shares $9,870.12 -69.1%N/A1 $1.90 8/31/202416,800 shares $35,112.00 -32.0%N/A5.1 $2.09 8/15/202424,700 shares $52,611.00 -17.1%N/A1.3 $2.13 7/31/202429,800 shares $64,070.00 -3.3%N/A0.8 $2.15 7/15/202430,800 shares $67,144.00 +48.8%N/A0.3 $2.18 6/30/202420,700 shares $48,620.16 +122.6%N/A4.1 $2.35 6/15/20249,300 shares $25,742.40 +8.1%N/A5.8 $2.77 5/31/20248,600 shares $24,940.00 -63.1%N/A0.1 $2.90 5/15/202423,300 shares $65,240.00 +2.2%N/A0.4 $2.80 4/30/202422,800 shares $61,560.00 -53.0%N/A0.9 $2.70 4/15/202448,500 shares $134,830.00 -29.1%N/A7.3 $2.78 3/31/202468,400 shares $192,888.00 +38.7%N/A1.2 $2.82 3/15/202449,300 shares $125,715.00 +35.1%N/A1.3 $2.55 2/29/202436,500 shares $90,191.50 -0.3%N/A0.2 $2.47 2/15/202436,600 shares $84,180.00 -28.0%N/A1.8 $2.30 1/15/202456,600 shares $131,312.00 -40.9%N/A1.7 $2.32 12/31/202395,700 shares $227,766.00 -0.5%N/A6.8 $2.38 12/15/202396,200 shares $182,683.80 -8.7%N/A0.1 $1.90 11/30/2023105,400 shares $201,314.00 -7.2%N/A0.6 $1.91 11/15/2023113,600 shares $261,280.00 +38.7%N/A34.4 $2.30 10/31/202381,900 shares $165,438.00 +62.5%N/A7.2 $2.02 10/15/202350,400 shares $106,344.00 -6.5%N/A33.6 $2.11 9/30/202353,900 shares $119,658.00 -11.9%N/A4 $2.22 9/15/202361,200 shares $163,404.00 -1.3%N/A8.2 $2.67 8/31/202362,000 shares $163,432.00 -4.8%N/A30.9 $2.64 8/15/202365,100 shares $152,985.00 -13.7%N/A108.5 $2.35 7/31/202375,400 shares $209,612.00 +14.8%N/A12.8 $2.78Now I look stupid. Real stupid... (Ad)I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we are, a quarter of a century later, almost to the exact day, and it’s happening again. Here’s the full story for you. 7/15/202365,700 shares $196,443.00 +11.4%N/A17.8 $2.99 6/30/202359,000 shares $159,300.00 +6.7%N/A147.5 $2.70 6/15/202355,300 shares $165,485.25 +26.0%N/A9.9 $2.99 5/31/202343,900 shares $121,168.39 +3.1%N/A1 $2.76 5/15/202342,600 shares $108,630.00 +96.3%N/A6.4 $2.55 4/30/202321,700 shares $55,552.00 No ChangeN/A3 $2.56 4/15/202321,700 shares $58,590.00 No ChangeN/A16.7 $2.70 3/31/202321,700 shares $60,760.00 -2.7%N/A1.4 $2.80 3/15/202322,300 shares $58,091.50 -7.5%N/A74.3 $2.61 2/28/202324,100 shares $61,216.41 -19.4%N/A12.1 $2.54 2/15/202329,900 shares $85,364.50 -16.5%N/A6.8 $2.86 1/31/202335,800 shares $112,412.00 -21.5%N/A7.8 $3.14 1/15/202345,600 shares $142,500.00 -49.6%N/A13 $3.13 12/30/202290,400 shares $277,528.00 +4.6%N/A9.7 $3.07 12/15/202286,400 shares $288,489.60 -45.7%N/A10.4 $3.34 11/30/2022159,100 shares $516,677.25 +26.3%N/A15.4 $3.25 11/15/2022126,000 shares $337,239.00 +19.4%N/A10.6 $2.68 10/31/2022105,500 shares $263,760.55 +5.7%N/A10.2 $2.50 10/15/202299,800 shares $263,472.00 +266.9%N/A18.1 $2.64 9/30/202227,200 shares $74,800.00 +142.9%N/A4 $2.75 9/15/202211,200 shares $33,600.00 -22.8%N/A4.3 $3.00 8/31/202214,500 shares $42,050.00 -16.7%N/A24.2 $2.90 8/15/202217,400 shares $49,243.74 +176.2%N/A2.3 $2.83 7/31/20226,300 shares $14,994.00 -1.6%N/A2.1 $2.38 7/15/20226,400 shares $14,240.00 +56.1%N/A3 $2.23 6/30/20224,100 shares $8,815.00 +51.9%N/A1 $2.15 6/15/20222,700 shares $5,204.25 +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 $7,104.00 +77.8%N/A0.2 $2.22 4/15/20221,800 shares $4,608.00 -33.3%N/A0.3 $2.56 3/31/20222,700 shares $7,209.00 +50.0%N/A1.1 $2.67 3/15/20221,800 shares $4,644.00 -52.6%N/A1.3 $2.58 2/28/20223,800 shares $10,830.00 -7.3%N/A0.1 $2.85 2/15/20224,100 shares $14,760.00 -60.6%N/A0.1 $3.60 1/31/202210,400 shares $37,128.00 +50.7%N/A0.9 $3.57 1/15/20226,900 shares $26,806.50 -97.2%N/A2.1 $3.89 12/31/2021247,000 shares $980,590.00 +371.4%N/A17.6 $3.97 12/15/202152,400 shares $200,168.00 +11.7%N/A8.2 $3.82 11/30/202146,900 shares $181,503.00 -11.8%N/A4 $3.87 11/15/202153,200 shares $240,198.00 +1.5%N/A0.7 $4.52 10/29/202152,400 shares $251,520.00 +54.1%N/A17.5 $4.80 10/15/202134,000 shares $168,300.00 +86.8%N/A10.3 $4.95 9/30/202118,200 shares $89,180.00 +116.7%N/A0.4 $4.90 9/15/20218,400 shares $40,068.00 +300.0%N/A0.2 $4.77 8/31/20212,100 shares $10,526.25 -95.8%N/A0.4 $5.01 8/13/202149,400 shares $234,156.00 +89.3%N/A0.5 $4.74 7/30/202126,100 shares $122,409.00 -34.9%N/A0.3 $4.69 7/15/202140,100 shares $180,049.00 +3.4%N/A0.8 $4.49 6/30/202138,800 shares $185,658.00 +29.8%N/A1.1 $4.79Now I look stupid. Real stupid... (Ad)I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we are, a quarter of a century later, almost to the exact day, and it’s happening again. Here’s the full story for you. 6/15/202129,900 shares $152,490.00 +9,866.7%N/A1.7 $5.10 5/28/2021300 shares $1,746.00 -86.4%N/A0.2 $5.82 5/14/20212,200 shares $11,616.00 +29.4%N/A1.1 $5.28 4/30/20211,700 shares $9,640.70 -34.6%N/A1.4 $5.67 4/15/20212,600 shares $14,651.00 +44.4%N/A0.3 $5.64 3/31/20211,800 shares $9,990.00 -37.9%N/A0.9 $5.55 3/15/20212,900 shares $16,414.00 -77.3%N/A0.3 $5.66 2/26/202112,800 shares $75,264.00 +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 March 31st, investors have sold 91,700 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 44.0. Learn More on PureTech Health's short interest ratio. 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 PureTech Health stock? Short selling PTCHF is an investing strategy that aims to generate trading profit from PureTech Health as its price is falling. PTCHF shares are trading down $0.08 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 PureTech Health? A short squeeze for PureTech Health 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 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 March, 31 2025. More Short Interest Resources from MarketBeat Related Companies FFNTF Short Squeeze AGTX Short Squeeze AGNPF Short Squeeze ALVOW Short Squeeze ANTH Short Squeeze AZNCF Short Squeeze AVVH Short Squeeze AXIM Short Squeeze BSPK Short Squeeze BCTXW 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 4/20/2025 by MarketBeat.com Staff From Our PartnersClaim Your FREE Protection GuideIn the final days of his first term, Trump quietly left open an "off the books" wealth-protection loophole hid...American Alternative | SponsoredElon Reveals Why There Soon Won’t Be Any Money For Social SecurityElon Musk's Near-Death Experience Sparks Dire Warning for Americans After cheating death twice—once in a te...Colonial Metals | SponsoredTrump’s Top Secret $9 Trillion AI SuperweaponJeff Brown spotted Nvidia at $1. 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