Alpha Tau Medical (DRTSW) Short Interest Ratio & Short Volume $2.28 +0.03 (+1.33%) As of 12:42 PM Eastern This is a fair market value price provided by Massive. Learn more. Add Compare Share Share Short Interest Stock AnalysisChartCompetitorsFinancialsHeadlinesSEC FilingsShort InterestTrendsBuy This Stock Alpha Tau Medical Short Interest OverviewAs of April 30, 2026, Alpha Tau Medical (DRTSW) had a short interest of 3,531 shares sold short. This marks a 4.78% increase in short interest since the prior report. The short interest ratio (days to cover) is 0.1, meaning it would take 0.1 days of the average trading volume of 55,737 shares to cover all short positions.Current Short Interest3,531 sharesPrevious Short Interest3,370 sharesChange Vs. Previous Month4.78%Dollar Volume Sold Short$4.31 thousandShort Interest Ratio0.1 Days to CoverLast Record DateApril 30, 2026Today's Trading Volume170,694 sharesAverage Trading Volume55,737 sharesToday's Volume Vs. Average306% Short Selling Alpha Tau Medical? Sign up to receive the latest short interest report for Alpha Tau Medical 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. 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. Text HELP for help/customer support. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartDRTSW Short Interest Over TimeDRTSW Days to Cover Over TimeDRTSW Percentage of Float Shorted Over Time Alpha Tau Medical 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 4/30/20263,531 shares $4.31 thousand +4.8%N/A0.08 $1.22 4/15/20263,370 shares $3.17 thousand -22.2%N/A0.06 $0.94 3/31/20264,334 shares $4.31 thousand +23.4%N/A0.38 $0.99 3/13/20263,511 shares $3.34 thousand -19.1%N/A0.16 $0.95 2/27/20264,337 shares $5.25 thousand -24.6%N/A0.2 $1.21 2/13/20265,748 shares $6.55 thousand +106.3%N/A0.18 $1.14 1/30/20262,786 shares $2.52 thousand -7.9%N/A0.04 $0.91 1/15/20263,024 shares $3.30 thousand -64.3%N/A0.03 $1.09 12/31/20258,463 shares $2.88 thousand -22.9%N/A1.18 $0.34 12/15/202510,980 shares $3.84 thousand -30.6%N/A1.14 $0.35 Get the Latest News and Ratings for DRTSW and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Alpha Tau Medical and its competitors with MarketBeat's FREE daily newsletter. 11/28/202515,827 shares $5.42 thousand +20.5%N/A2.77 $0.34 11/14/202513,135 shares $3.74 thousand -14.4%N/A1.98 $0.29 10/31/202515,338 shares $4.88 thousand -2.7%N/A5.06 $0.32 10/15/202515,800 shares $4.47 thousand +75.6%N/A2.4 $0.28 9/30/20259,000 shares $3.21 thousand -7.2%N/A1.4 $0.36 9/15/20259,700 shares $2.89 thousand -40.5%N/A1.8 $0.30 8/31/202516,300 shares $4.27 thousand No ChangeN/A2.9 $0.26 9/15/20241,900 shares $342.00 -50.0%N/A0.2 $0.18 8/31/20243,800 shares $836.00 No ChangeN/A0.3 $0.22 8/15/20243,800 shares $684.00 -15.6%N/A0.3 $0.18 7/31/20244,500 shares $699.75 -22.4%N/A0.3 $0.16 7/15/20245,800 shares $1.45 thousand No ChangeN/A0.7 $0.25 6/30/20245,800 shares $1.32 thousand +20.8%N/A0.7 $0.23 6/15/20244,800 shares $1.19 thousand -41.5%N/A0.5 $0.25 5/31/20248,200 shares $1.97 thousand -60.4%N/A1 $0.24 5/15/202420,700 shares $4.97 thousand +1,280.0%N/A2.7 $0.24 4/30/20241,500 shares $326.10 -6.3%N/A0.2 $0.22 4/15/20241,600 shares $336.00 -36.0%N/A0.3 $0.21 3/31/20242,500 shares $625.25 -16.7%N/A0.4 $0.25 3/15/20243,000 shares $771.00 -46.4%N/A0.4 $0.26 2/29/20245,600 shares $1.40 thousand +19.2%N/A0.4 $0.25 2/15/20244,700 shares $1.32 thousand +113.6%N/A0.4 $0.28 1/31/20242,200 shares $541.86 -15.4%N/A0.2 $0.25 1/15/20242,600 shares $712.40 -50.0%N/A0.2 $0.27 12/31/20235,200 shares $1.00 thousand +173.7%N/A0.3 $0.19 12/15/20231,900 shares $351.69 -32.1%N/A0.1 $0.19 11/30/20232,800 shares $755.72 -62.7%N/A0.3 $0.27 11/15/20237,500 shares $1.95 thousand -25.0%N/A0.8 $0.26 10/31/202310,000 shares $2.50 thousand +56.3%N/A1 $0.25 10/15/20236,400 shares $1.92 thousand +8.5%N/A0.7 $0.30The REAL Reason Trump is Invading Iran (Ad)For a moment… Forget about Trump’s ties to Israel. 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Because my research has led me to believe we’re risking World War 3 with Iran for a completely different reason.Click here to find out what it is. 9/30/20235,900 shares $1.57 thousand -43.3%N/A0.9 $0.27 9/15/202310,400 shares $2.91 thousand -8.0%N/A1.6 $0.28 8/31/202311,300 shares $2.81 thousand -36.9%N/A2.1 $0.25 8/15/202317,900 shares $4.65 thousand -21.5%N/A2.3 $0.26 7/31/202322,800 shares $7.06 thousand +3.2%N/A2.3 $0.31 7/15/202322,100 shares $8.60 thousand +12.8%N/A2.6 $0.39 6/30/202319,600 shares $7.74 thousand -0.5%N/A1.9 $0.40 6/15/202319,700 shares $7.88 thousand -27.6%N/A1.9 $0.40 5/31/202327,200 shares $8.16 thousand +57.2%N/A2.5 $0.30 5/15/202317,300 shares $6.36 thousand +80.2%N/A2 $0.37 4/30/20239,600 shares $2.11 thousand -17.2%N/A1.3 $0.22 4/15/202311,600 shares $2.90 thousand -8.7%N/A1.4 $0.25 3/31/202312,700 shares $4.15 thousand +2.4%N/A1.2 $0.33 3/15/202312,400 shares $4.34 thousand +1.6%N/A0.8 $0.35 2/28/202312,200 shares $4.88 thousand +1.7%N/A0.5 $0.40 2/15/202312,000 shares $4.80 thousand -10.5%N/A0.5 $0.40 1/31/202313,400 shares $5.96 thousand -57.9%N/A0.5 $0.45 1/15/202331,800 shares $13.67 thousand +10.8%N/A1 $0.43 12/30/202228,700 shares $7.18 thousand -24.1%N/A0.9 $0.25 12/15/202237,800 shares $8.85 thousand +28.6%N/A1.1 $0.23 11/30/202229,400 shares $8.67 thousand -4.2%N/A0.9 $0.30 11/15/202230,700 shares $8.28 thousand -26.2%N/A0.9 $0.27 10/31/202241,600 shares $13.31 thousand -15.5%N/A1.3 $0.32 10/15/202249,200 shares $17.98 thousand +0.4%N/A1.5 $0.37 9/30/202249,000 shares $21.82 thousand +242.7%N/A1.6 $0.45 9/15/202214,300 shares $7.01 thousand -16.4%N/A0.3 $0.49 8/31/202217,100 shares $9.24 thousand -30.5%N/A0.3 $0.54 8/15/202224,600 shares $14.76 thousand +20.6%N/A0.4 $0.60 7/31/202220,400 shares $12.85 thousand +18.6%N/A0.3 $0.63 7/15/202217,200 shares $13.57 thousand No ChangeN/A0.2 $0.79 DRTSW Short Interest - Frequently Asked Questions What is Alpha Tau Medical's current short interest? Short interest is the volume of Alpha Tau Medical shares that have been sold short but have not yet been closed out or covered. As of April 30th, investors have sold 3,531 shares of DRTSW short. Learn More on Alpha Tau Medical's current short interest. What is a good short interest ratio for Alpha Tau Medical? 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. DRTSW shares currently have a short interest ratio of 0.1. Learn More on Alpha Tau Medical's short interest ratio. Is Alpha Tau Medical's short interest increasing or decreasing? Alpha Tau Medical saw a increase in short interest during the month of April. As of April 30th, there was short interest totaling 3,531 shares, an increase of 4.8% from the previous total of 3,370 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 Alpha Tau Medical's short interest compare to its competitors? Here is how the short interest of companies in the industry of "medical equipment" compare to Alpha Tau Medical: Medline (1.40%), GE HealthCare Technologies Inc. (2.66%), Koninklijke Philips N.V. (0.19%), Zimmer Biomet Holdings, Inc. (5.23%), Smith & Nephew SNATS, Inc. (0.70%), Solventum Corporation (3.75%), Penumbra, Inc. (4.97%), Glaukos Corporation (5.28%), Bausch + Lomb Corporation (1.03%), Stevanato Group S.p.A. (0.29%), 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 ($86.09 billion), Invesco QQQ ($39.89 billion), iShares Russell 2000 ETF ($26.13 billion), Western Digital Corporation ($12.66 billion), Salesforce Inc. ($12.29 billion), Sandisk Corporation ($11.87 billion), SPDR S&P Biotech ETF ($9.82 billion), Lumentum Holdings Inc. ($8.51 billion), iShares 20+ Year Treasury Bond ETF ($7.76 billion), and Bloom Energy Corporation ($7.40 billion). View all of the most shorted stocks. What does it mean to sell short Alpha Tau Medical stock? Short selling DRTSW is an investing strategy that aims to generate trading profit from Alpha Tau Medical as its price is falling. DRTSW shares are trading up $0.10 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 Alpha Tau Medical? A short squeeze for Alpha Tau Medical 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 DRTSW, which in turn drives the price of the stock up even further. How often is Alpha Tau Medical'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 DRTSW, twice per month. The most recent reporting period available is April, 30 2026. What do DRTSW's short interest metrics mean? Understanding short interest metrics can help you assess how traders are positioning around a stock like DRTSW: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 HeartBeam Short Interest Innovative Eyewear Short Interest Inspira Technologies Oxy B.H.N. Short Interest NEXGEL Short Interest Nutriband Short Interest Sharps Technology Short Interest Spectral AI Short Interest Star Equity Short Interest TriSalus Life Sciences Short Interest Medline Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:DRTSW) was last updated on 5/19/2026 by MarketBeat.com Staff. 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