Tandem Diabetes Care (TNDM) Short Interest Ratio & Short Volume $35.15 -2.38 (-6.34%) As of 01/17/2025 04:00 PM Eastern Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrends Tandem Diabetes Care Short Interest DataTandem Diabetes Care (TNDM) has a short interest of 7.09 million shares. This marks a 17.38% increase in short interest from the previous month. The short interest ratio (days to cover) is 5.2, indicating that it would take 5.2 days of the average trading volume of 962,739 shares to cover all short positions.Current Short Interest7,090,000 sharesPrevious Short Interest6,040,000 sharesChange Vs. Previous Month+17.38%Dollar Volume Sold Short$255.38 millionShort Interest Ratio5.2 Days to CoverLast Record DateDecember 31, 2024Outstanding Shares65,680,000 sharesPercentage of Shares Shorted10.79%Today's Trading Volume1,917,785 sharesAverage Trading Volume962,739 sharesToday's Volume Vs. Average199% Short Selling Tandem Diabetes Care? Sign up to receive the latest short interest report for Tandem Diabetes Care and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartTNDM Short Interest Over TimeTNDM Days to Cover Over TimeTNDM Percentage of Float Shorted Over Time Tandem Diabetes Care Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 12/31/20247,090,000 shares $255.38 million +17.4%N/A5.2 $36.02 12/15/20246,040,000 shares $197.27 million -12.7%N/A4.3 $32.66 11/30/20246,920,000 shares $211.96 million -6.2%N/A5 $30.63 11/15/20247,380,000 shares $201.77 million -12.0%N/A5.5 $27.34 10/31/20248,390,000 shares $263.19 million -7.7%N/A6.6 $31.37 10/15/20249,090,000 shares $341.87 million -9.7%N/A6.3 $37.61 9/30/202410,070,000 shares $427.07 million -3.4%N/A7.3 $42.41 9/15/202410,420,000 shares $458.17 million -0.6%N/A6.6 $43.97 8/31/202410,480,000 shares $455.88 million -0.4%N/A6.7 $43.50 8/15/202410,520,000 shares $460.99 million +3.3%N/A6.5 $43.82 Get the Latest News and Ratings for TNDM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Tandem Diabetes Care and its competitors with MarketBeat's FREE daily newsletter. 7/31/202410,180,000 shares $376.46 million -7.2%N/A5.9 $36.98 7/15/202410,970,000 shares $518.88 million +15.0%N/A6.9 $47.30 6/30/20249,540,000 shares $384.37 million +8.4%N/A6 $40.29 6/15/20248,800,000 shares $398.90 million -3.6%N/A5.9 $45.33 5/31/20249,130,000 shares $467.73 million +0.9%N/A5.8 $51.23 5/15/20249,050,000 shares $428.70 million +12.8%N/A4.8 $47.37 4/30/20248,020,000 shares $294.25 million -13.2%N/A4.3 $36.69 4/15/20249,240,000 shares $294.39 million -0.8%N/A5.3 $31.86 3/31/20249,310,000 shares $329.67 million +15.2%N/A5.1 $35.41 3/15/20248,080,000 shares $231.25 million +64.9%N/A4.5 $28.62 2/29/20244,900,000 shares $130.49 million -12.0%N/A2.7 $26.63 2/15/20245,570,000 shares $135.30 million +2.6%N/A3.5 $24.29 1/31/20245,430,000 shares $123.80 million +0.6%N/A3.6 $22.80 1/15/20245,400,000 shares $138.56 million -5.6%N/A3.1 $25.66 12/31/20235,720,000 shares $169.20 million -34.2%N/A3.3 $29.58 12/15/20238,690,000 shares $248.79 million +3.7%N/A5.1 $28.63 11/30/20238,380,000 shares $169.61 million +4.9%N/A5 $20.24 11/15/20237,990,000 shares $145.46 million -8.2%N/A4.9 $18.21 10/31/20238,700,000 shares $150.51 million -0.9%N/A5.6 $17.30 10/15/20238,780,000 shares $154.00 million +5.8%N/A6.2 $17.54 9/30/20238,300,000 shares $172.39 million +0.7%N/A5.6 $20.77 9/15/20238,240,000 shares $179.22 million +11.7%N/A5.8 $21.75 8/31/20237,380,000 shares $201.92 million -11.3%N/A5.3 $27.36 8/15/20238,320,000 shares $240.28 million +10.2%N/A6.1 $28.88 7/31/20237,550,000 shares $263.65 million +0.3%N/A5.3 $34.92 7/15/20237,530,000 shares $226.88 million +4.6%N/A5.5 $30.13 6/30/20237,200,000 shares $176.69 million +11.5%N/A5.8 $24.54 6/15/20236,460,000 shares $175.78 million +7.7%N/A5.5 $27.21 5/31/20236,000,000 shares $155.94 million -4.3%N/A4.5 $25.99 5/15/20236,270,000 shares $201.46 million +0.5%N/A4.6 $32.13Must-See: 5-Second Trump Prediction (Ad)President Trump's prediction is about to become a reality... Opening a rare window of opportunity for you to accelerate your retirement during the first 100 days of his administration.Click here now to get the details because you must act before January 20th. 4/30/20236,240,000 shares $246.98 million -15.0%N/A4.8 $39.58 4/15/20237,340,000 shares $304.54 million -3.7%N/A6.2 $41.49 3/31/20237,620,000 shares $309.45 million +12.2%N/A6.2 $40.61 3/15/20236,790,000 shares $286.13 million +8.0%N/A5.6 $42.14 2/28/20236,290,000 shares $225.56 million +7.2%N/A6.2 $35.86 2/15/20235,870,000 shares $253.06 million +8.7%N/A5.9 $43.11 1/31/20235,400,000 shares $220.00 million +3.7%N/A5.4 $40.74 1/15/20235,210,000 shares $214.91 million -2.1%N/A4.5 $41.25 12/30/20225,320,000 shares $239.13 million +4.1%N/A4.6 $44.95 12/15/20225,110,000 shares $206.55 million -5.9%N/A4.4 $40.42 11/30/20225,430,000 shares $228.33 million -3.4%N/A4.1 $42.05 11/15/20225,620,000 shares $237.56 million -6.0%N/A4.4 $42.27 10/31/20225,980,000 shares $335.78 million +7.0%N/A4.6 $56.15 10/15/20225,590,000 shares $286.10 million +5.3%N/A4.9 $51.18 9/30/20225,310,000 shares $254.08 million +17.5%N/A4.7 $47.85 9/15/20224,520,000 shares $265.10 million +7.1%N/A4.2 $58.65 8/31/20224,220,000 shares $193.02 million +6.0%N/A4.2 $45.74 8/15/20223,980,000 shares $219.90 million -10.6%N/A3.9 $55.25 7/31/20224,450,000 shares $294.63 million -1.1%N/A4.5 $66.21 7/15/20224,500,000 shares $243.14 million +12.5%8.6%4.8 $54.03 6/30/20224,000,000 shares $236.76 million +2.6%7.7%4.5 $59.19 6/15/20223,900,000 shares $222.96 million +18.2%7.5%4.7 $57.17 5/31/20223,300,000 shares $224.96 million +5.1%N/A4.3 $68.17 5/15/20223,140,000 shares $231.89 million -11.1%N/A4.9 $73.85 4/30/20223,530,000 shares $340.57 million +0.6%N/A6 $96.48 4/15/20223,510,000 shares $404.77 million +4.5%N/A6.3 $115.32 3/31/20223,360,000 shares $390.73 million -8.2%N/A5.5 $116.29 3/15/20223,660,000 shares $375.00 million +0.8%N/A5.9 $102.46 2/28/20223,630,000 shares $408.85 million -5.2%N/A5.3 $112.63 2/15/20223,830,000 shares $450.98 million +0.3%N/A5.5 $117.75 1/31/20223,820,000 shares $451.18 million -3.3%N/A6.1 $118.11 1/15/20223,950,000 shares $477.00 million -5.1%N/A6.4 $120.76 12/31/20214,160,000 shares $626.16 million +1.7%N/A7.1 $150.52 12/15/20214,090,000 shares $590.35 million -5.5%N/A6.8 $144.34 11/30/20214,330,000 shares $556.49 million +1.2%N/A6 $128.52 11/15/20214,280,000 shares $588.33 million -0.9%N/A5.9 $137.46 10/29/20214,320,000 shares $588.95 million -12.7%N/A5.9 $136.33 10/15/20214,950,000 shares $620.48 million +8.8%8.0%6.7 $125.35 9/30/20214,550,000 shares $543.18 million +23.0%7.4%6.2 $119.38 9/15/20213,700,000 shares $456.43 million -2.1%6.0%5.1 $123.36 8/31/20213,780,000 shares $424.00 million -2.8%6.1%6.9 $112.17 8/13/20213,890,000 shares $417.16 million -0.3%6.3%7.9 $107.24 7/30/20213,900,000 shares $423.81 million +15.0%6.4%7.1 $108.67 7/15/20213,390,000 shares $320.39 million -3.7%5.6%6 $94.51 6/30/20213,520,000 shares $342.85 million -0.6%5.8%6.2 $97.40 6/15/20213,540,000 shares $322.95 million -4.8%5.8%5.4 $91.23 5/28/20213,720,000 shares $317.65 million -4.6%6.1%5.3 $85.39 5/14/20213,900,000 shares $300.30 million +11.4%N/A4.8 $77.00 4/30/20213,500,000 shares $328.93 million -7.2%N/A4.4 $93.98 4/15/20213,770,000 shares $325.43 million +7.4%N/A4.9 $86.32Must-See: 5-Second Trump Prediction (Ad)President Trump's prediction is about to become a reality... Opening a rare window of opportunity for you to accelerate your retirement during the first 100 days of his administration.Click here now to get the details because you must act before January 20th. 3/31/20213,510,000 shares $298.28 million +5.4%N/A4.5 $84.98 3/15/20213,330,000 shares $294.17 million -12.4%N/A4.3 $88.34 2/26/20213,800,000 shares $360.96 million -1.6%N/A4.8 $94.99 2/12/20213,860,000 shares $397.46 million +3.8%N/A5.1 $102.97 1/29/20213,720,000 shares $345.48 million -6.8%N/A4.4 $92.87 1/15/20213,990,000 shares $364.49 million -2.0%N/A4.7 $91.35 12/31/20204,070,000 shares $388.36 million -6.7%N/A4.8 $95.42 12/15/20204,360,000 shares $405.74 million +38.9%N/A5.4 $93.06 11/30/20203,140,000 shares $284.96 million -3.7%N/A4.1 $90.75 11/15/20203,260,000 shares $324.17 million +15.6%N/A4.5 $99.44 10/30/20202,820,000 shares $316.97 million -2.8%N/A4.1 $112.40 10/15/20202,900,000 shares $352.29 million -12.4%N/A4.1 $121.48 9/30/20203,310,000 shares $375.69 million -1.8%N/A4.6 $113.50 9/15/20203,370,000 shares $370.36 million -2.9%N/A3.5 $109.90 8/31/20203,470,000 shares $391.14 million +4.5%N/A3.2 $112.72 8/14/20203,320,000 shares $320.58 million -3.8%N/A3 $96.56 7/31/20203,450,000 shares $360.39 million -2.0%N/A2.9 $104.46 7/15/20203,520,000 shares $350.13 million -7.4%6.1%2.8 $99.47 6/30/20203,800,000 shares $333.68 million -5.2%6.6%3 $87.81 6/15/20204,010,000 shares $329.86 million +2.0%7.0%3.5 $82.26 5/29/20203,930,000 shares $327.05 million -3.9%6.9%3.2 $83.22 5/15/20204,090,000 shares $360.74 million -4.7%7.1%3.1 $88.20 4/30/20204,290,000 shares $342.26 million -1.8%7.5%3 $79.78 4/15/20204,370,000 shares $294.45 million -2.0%7.7%3 $67.38 3/31/20204,460,000 shares $331.38 million +3.4%7.9%2.9 $74.30 3/13/20204,312,200 shares $292.63 million +9.2%7.6%3.6 $67.86 2/28/20203,950,000 shares $207.61 million -8.6%7.0%2.5 $52.56 2/14/20204,320,000 shares $308.40 million -24.2%7.7%2.8 $71.39 1/31/20205,700,000 shares $436.22 million -15.6%10.4%3.7 $76.53 TNDM Short Interest - Frequently Asked Questions What is Tandem Diabetes Care's current short interest? Short interest is the volume of Tandem Diabetes Care shares that have been sold short but have not yet been closed out or covered. As of December 31st, investors have sold 7,090,000 shares of TNDM short. Learn More on Tandem Diabetes Care's current short interest. What is a good short interest ratio for Tandem Diabetes Care? 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. TNDM shares currently have a short interest ratio of 5.0. Learn More on Tandem Diabetes Care's short interest ratio. Which institutional investors are shorting Tandem Diabetes Care? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Tandem Diabetes Care: Jane Street Group LLC, Wolverine Trading LLC, Walleye Trading LLC, and Walleye Capital LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Tandem Diabetes Care's short interest increasing or decreasing? Tandem Diabetes Care saw a increase in short interest in the month of December. As of December 31st, there was short interest totaling 7,090,000 shares, an increase of 17.4% from the previous total of 6,040,000 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 Tandem Diabetes Care's short interest compare to its competitors? Here is how the short interest of companies in the industry of "medical equipment" compare to Tandem Diabetes Care: Glaukos Co. (5.51%), Stevanato Group S.p.A. (7.54%), Bausch + Lomb Co. (3.49%), Inspire Medical Systems, Inc. (7.91%), Inari Medical, Inc. (6.56%), PROCEPT BioRobotics Co. (13.37%), Envista Holdings Co. (7.31%), iRhythm Technologies, Inc. (7.16%), NovoCure Limited (5.57%), LivaNova PLC (4.07%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: AppLovin Co. ($5.83 billion), Charter Communications, Inc. ($3.77 billion), Reddit, Inc. ($2.98 billion), The Kroger Co. ($2.97 billion), International Paper ($2.64 billion), SoFi Technologies, Inc. ($1.99 billion), Rivian Automotive, Inc. ($1.93 billion), Onsemi ($1.81 billion), SoundHound AI, Inc. ($1.59 billion), and Moderna, Inc. ($1.57 billion). View all of the most shorted stocks. What does it mean to sell short Tandem Diabetes Care stock? Short selling TNDM is an investing strategy that aims to generate trading profit from Tandem Diabetes Care as its price is falling. TNDM shares are trading down $2.38 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 Tandem Diabetes Care? A short squeeze for Tandem Diabetes Care 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 TNDM, which in turn drives the price of the stock up even further. How often is Tandem Diabetes Care'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 TNDM, twice per month. The most recent reporting period available is December, 31 2024. More Short Interest Resources from MarketBeat Related Companies Glaukos Short Interest Stevanato Group Short Interest Bausch + Lomb Short Interest Inspire Medical Systems Short Interest Inari Medical Short Interest PROCEPT BioRobotics Short Interest Envista Short Interest iRhythm Technologies Short Interest NovoCure Short Interest LivaNova 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:TNDM) was last updated on 1/20/2025 by MarketBeat.com Staff From Our PartnersLast time you’ll see this priced at $1.00When was the last time you bought something for a buck? I don’t even think you can buy anything at McDonalds f...StocksToTrade | SponsoredMedia Humiliated: Demo of Elon’s Tech Proves They’re WrongElon Musk believes his new AI product will be worth an incredible $9 trillion. 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