iRhythm Technologies (IRTC) Short Interest Ratio & Short Volume $116.36 -1.51 (-1.28%) As of 01:01 PM Eastern This is a fair market value price provided by Massive. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock iRhythm Technologies Short Interest OverviewAs of April 30, 2026, iRhythm Technologies (IRTC) had a short interest of 2.85 million shares sold short, representing 8.77% of the public float. This marks a -5.45% decrease in short interest since the prior report. The short interest ratio (days to cover) is 6.6, meaning it would take 6.6 days of the average trading volume of 615,107 shares to cover all short positions.Current Short Interest2,854,326 sharesPrevious Short Interest3,018,947 sharesChange Vs. Previous Month-5.45%Dollar Volume Sold Short$368.66 millionShort Interest Ratio6.6 Days to CoverLast Record DateApril 30, 2026Outstanding Shares32,860,000 sharesShort Percent of Float8.77%Today's Trading Volume242,364 sharesAverage Trading Volume615,107 sharesToday's Volume Vs. Average39% Short Selling iRhythm Technologies? Sign up to receive the latest short interest report for iRhythm Technologies 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 ChartIRTC Short Interest Over TimeIRTC Days to Cover Over TimeIRTC Percentage of Float Shorted Over Time iRhythm Technologies 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 4/30/20262,854,326 shares $368.66 million -5.5%8.8%6.63 $129.16 4/15/20263,018,947 shares $375.59 million +2.6%9.3%7.78 $124.41 3/31/20262,943,771 shares $347.42 million +1.9%9.2%5.22 $118.02 3/13/20262,890,311 shares $326.61 million -14.8%9.0%3.96 $113.00 2/27/20263,392,832 shares $453.79 million -0.3%10.6%4.98 $133.75 2/13/20263,401,218 shares $490.49 million +20.2%10.6%5.11 $144.21 1/30/20262,830,877 shares $437.40 million +2.9%8.8%4.65 $154.51 1/15/20262,750,064 shares $473.12 million +19.6%8.6%3.36 $172.04 12/31/20252,299,440 shares $408.01 million -5.8%7.2%5.91 $177.44 12/15/20252,440,143 shares $412.38 million -5.1%7.6%5.89 $169.00 Get the Latest News and Ratings for IRTC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for iRhythm Technologies and its competitors with MarketBeat's FREE daily newsletter. 11/28/20252,571,525 shares $483.02 million +1.2%8.0%4.86 $187.84 11/14/20252,540,995 shares $434.05 million +8.9%7.9%4.89 $170.82 10/31/20252,333,085 shares $436.99 million -9.9%7.3%5.37 $187.30 10/15/20252,590,000 shares $454.99 million +2.0%8.1%6.2 $175.67 9/30/20252,540,000 shares $436.85 million -4.5%N/A5.9 $171.99 9/15/20252,660,000 shares $468.59 million -4.3%N/A5.7 $176.16 8/31/20252,780,000 shares $472.54 million +4.9%8.7%6.1 $169.98 8/15/20252,650,000 shares $425.54 million +5.2%N/A5.5 $160.58 7/31/20252,520,000 shares $353.25 million +1.2%7.9%5.1 $140.18 7/15/20252,490,000 shares $333.46 million -5.7%N/A5 $133.92 6/30/20252,640,000 shares $406.45 million +2.3%8.4%5.2 $153.96 6/15/20252,580,000 shares $371.13 million +5.3%8.2%5.4 $143.85 5/31/20252,450,000 shares $346.36 million -8.9%7.9%5.1 $141.37 5/15/20252,690,000 shares $379.40 million -10.0%8.7%5.6 $141.04 4/30/20252,990,000 shares $319.60 million -4.2%N/A6.3 $106.89 4/15/20253,120,000 shares $314.34 million +6.5%10.0%7.5 $100.75 3/31/20252,930,000 shares $306.71 million +0.3%9.4%6.5 $104.68 3/15/20252,920,000 shares $293.96 million -1.0%9.4%6.9 $100.67 2/28/20252,950,000 shares $324.97 million +12.2%9.5%7 $110.16 2/15/20252,630,000 shares $294.85 million +8.7%8.5%6.4 $112.11 1/31/20252,420,000 shares $263.42 million +3.9%N/A6.3 $108.85 1/15/20252,330,000 shares $240.36 million +4.0%N/A4.8 $103.16 12/31/20242,240,000 shares $201.98 million +1.4%N/A4.6 $90.17 12/15/20242,210,000 shares $191.01 million +4.3%N/A4.2 $86.43 11/30/20242,120,000 shares $184.36 million -12.0%N/A3.9 $86.96 11/15/20242,410,000 shares $193.88 million -12.0%N/A4.1 $80.45 10/31/20242,740,000 shares $198.49 million +8.7%N/A4.6 $72.44 10/15/20242,520,000 shares $151.53 million -1.6%N/A4.2 $60.13 9/30/20242,560,000 shares $190.05 million -4.8%N/A5.1 $74.24 9/15/20242,690,000 shares $206.08 million +8.5%N/A5.7 $76.61One coin wired into Elon's vision (Ad)SpaceX just filed its IPO paperwork. And buried inside that filing was something that should change how every investor thinks about this opportunity. SpaceX holds $1.45 billion in Bitcoin. Bought at an average of $35,000 per coin. Never sold a single one… not through crashes, not through balance sheet pressure, not through anything. This is a company that made a deliberate, long-term bet on digital assets… and then took it public for the entire world to see.Here's our #1 play for the SpaceX IPO. 8/31/20242,480,000 shares $175.78 million -3.5%N/A5.2 $70.88 8/15/20242,570,000 shares $171.21 million -14.1%N/A5.8 $66.62 7/31/20242,990,000 shares $257.89 million +3.1%N/A7.3 $86.25 7/15/20242,900,000 shares $285.94 million +0.7%N/A7.8 $98.60 6/30/20242,880,000 shares $310.00 million -1.7%N/A7.6 $107.64 6/15/20242,930,000 shares $276.39 million +2.1%N/A7 $94.33 5/31/20242,870,000 shares $253.16 million -6.2%N/A6.8 $88.21 5/15/20243,060,000 shares $307.81 million +2.7%N/A6.3 $100.59 4/30/20242,980,000 shares $326.55 million +6.1%N/A6.3 $109.58 4/15/20242,810,000 shares $307.64 million +10.2%N/A6.4 $109.48 3/31/20242,550,000 shares $295.80 million +3.2%N/A5.6 $116.00 3/15/20242,470,000 shares $252.16 million +37.2%N/A6.1 $102.09 2/29/20241,800,000 shares $213.57 million +44.0%N/A4.4 $118.65 2/15/20241,250,000 shares $147.05 million -2.3%N/A3.6 $117.64 1/31/20241,280,000 shares $153.32 million +11.3%N/A3.8 $119.78 1/15/20241,150,000 shares $126.55 million -19.0%N/A3.1 $110.04 12/31/20231,420,000 shares $152.00 million -24.1%N/A3.9 $107.04 12/15/20231,870,000 shares $188.89 million -0.5%N/A4.8 $101.01 11/30/20231,880,000 shares $160.33 million +1.6%N/A4.9 $85.28 11/15/20231,850,000 shares $150.96 million -18.5%N/A4.9 $81.60 10/31/20232,270,000 shares $178.24 million -9.9%N/A6.4 $78.52 10/15/20232,520,000 shares $210.42 million -2.3%N/A7 $83.50 9/30/20232,580,000 shares $243.19 million +10.3%N/A7.1 $94.26 9/15/20232,340,000 shares $211.84 million +0.4%N/A6.9 $90.53 8/31/20232,330,000 shares $240.85 million -0.4%N/A6.6 $103.37 8/15/20232,340,000 shares $267.09 million +5.9%N/A5.8 $114.14 7/31/20232,210,000 shares $232.18 million -13.0%N/A5.5 $105.06 7/15/20232,540,000 shares $255.37 million No ChangeN/A6.7 $100.54 6/30/20232,540,000 shares $264.97 million +7.2%N/A6.9 $104.32 6/15/20232,370,000 shares $245.82 million +4.9%N/A6.5 $103.72 5/31/20232,260,000 shares $258.25 million +0.4%N/A6.2 $114.27 5/15/20232,250,000 shares $294.64 million +1.4%N/A6.7 $130.95 4/30/20232,220,000 shares $291.71 million -2.6%N/A6.4 $131.40 4/15/20232,280,000 shares $298.16 million +6.1%N/A6.8 $130.77 3/31/20232,150,000 shares $266.66 million -5.7%N/A6.2 $124.03 3/15/20232,280,000 shares $251.51 million +7.0%N/A6.7 $110.31 2/28/20232,130,000 shares $250.66 million +6.0%N/A6.5 $117.68 2/15/20232,010,000 shares $221.92 million +26.4%N/A6.5 $110.41 1/31/20231,590,000 shares $156.30 million -4.2%N/A4.9 $98.30 1/15/20231,660,000 shares $168.97 million +6.4%N/A4.4 $101.79 12/30/20221,560,000 shares $146.13 million +11.4%N/A4.2 $93.67 12/15/20221,400,000 shares $133.78 million +8.5%N/A3.6 $95.56 11/30/20221,290,000 shares $140.67 million -3.7%N/A3 $109.05 11/15/20221,340,000 shares $145.12 million -0.7%N/A3.2 $108.30 10/31/20221,350,000 shares $172.11 million No ChangeN/A3.4 $127.49 10/15/20221,350,000 shares $157.22 million -3.6%N/A3.7 $116.46 9/30/20221,400,000 shares $175.39 million -10.3%N/A3.7 $125.28 9/15/20221,560,000 shares $241.35 million -7.1%N/A3.8 $154.71 8/31/20221,680,000 shares $247.72 million -12.5%N/A4.1 $147.45 8/15/20221,920,000 shares $293.07 million -1.0%N/A4.8 $152.64One coin wired into Elon's vision (Ad)SpaceX just filed its IPO paperwork. And buried inside that filing was something that should change how every investor thinks about this opportunity. SpaceX holds $1.45 billion in Bitcoin. Bought at an average of $35,000 per coin. Never sold a single one… not through crashes, not through balance sheet pressure, not through anything. This is a company that made a deliberate, long-term bet on digital assets… and then took it public for the entire world to see.Here's our #1 play for the SpaceX IPO. 7/31/20221,940,000 shares $299.98 million +4.9%6.6%4.4 $154.63 7/15/20221,850,000 shares $266.07 million +13.5%6.3%4.3 $143.82 6/30/20221,630,000 shares $176.09 million No Change5.6%4 $108.03 6/15/20221,630,000 shares $187.87 million +10.9%5.6%4.4 $115.26 5/31/20221,470,000 shares $207.05 million -13.5%5.0%4 $140.85 5/15/20221,700,000 shares $236.37 million +8.3%N/A4.5 $139.04 4/30/20221,570,000 shares $193.69 million +3.3%5.4%4.5 $123.37 4/15/20221,520,000 shares $219.66 million +7.8%5.2%4.6 $144.51 3/31/20221,410,000 shares $222.03 million +15.6%N/A3.5 $157.47 3/15/20221,220,000 shares $138.92 million +8.9%4.3%3.1 $113.87 2/28/20221,120,000 shares $144.78 million -8.9%3.9%2.9 $129.27 2/15/20221,230,000 shares $158.68 million +7.9%4.3%3 $129.01 1/31/20221,140,000 shares $142.31 million -7.3%4.0%2.8 $124.83 1/15/20221,230,000 shares $173.55 million +35.1%N/A2.3 $141.10 12/31/2021910,200 shares $107.12 million -7.2%3.2%1.8 $117.69 12/15/2021980,800 shares $93.61 million +21.3%3.4%2.1 $95.44 11/30/2021808,300 shares $85.36 million -38.8%2.8%1.5 $105.60 11/15/20211,320,000 shares $139.80 million +10.9%4.6%2.5 $105.91 10/29/20211,190,000 shares $83.47 million -1.7%4.1%2.3 $70.14 10/15/20211,210,000 shares $87.47 million +17.5%4.2%3 $72.29 9/30/20211,030,000 shares $60.32 million -37.6%3.6%2.4 $58.56 9/15/20211,650,000 shares $102.45 million -3.5%5.7%3.7 $62.09 8/31/20211,710,000 shares $81.74 million +5.6%5.9%4.3 $47.80 8/13/20211,620,000 shares $73.86 million -16.1%5.6%3.2 $45.59 7/30/20211,930,000 shares $98.66 million -10.2%6.7%3.5 $51.12 7/15/20212,150,000 shares $115.18 million -2.7%7.5%3.5 $53.57 6/30/20212,210,000 shares $146.63 million +22.1%7.7%2.8 $66.35 6/15/20211,810,000 shares $114.37 million -20.3%6.3%2.4 $63.19 5/28/20212,270,000 shares $171.29 million +0.9%7.9%3 $75.46 IRTC Short Interest - Frequently Asked Questions What is iRhythm Technologies' current short interest? Short interest is the volume of iRhythm Technologies shares that have been sold short but have not yet been covered or closed out. As of April 30th, traders have sold 2,854,326 shares of IRTC short. 8.77% of iRhythm Technologies' shares are currently sold short. Learn More on iRhythm Technologies' current short interest. What is a good short interest ratio for iRhythm Technologies? 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. IRTC shares currently have a short interest ratio of 6.6. Learn More on iRhythm Technologies's short interest ratio. What is a good short interest percentage for iRhythm Technologies? 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. 8.77% of iRhythm Technologies' floating shares are currently sold short. Is iRhythm Technologies' short interest increasing or decreasing? iRhythm Technologies saw a decrease in short interest during the month of April. As of April 30th, there was short interest totaling 2,854,326 shares, a decrease of 5.5% from the previous total of 3,018,947 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 iRhythm Technologies' short interest compare to its competitors? 8.77% of iRhythm Technologies' shares are currently sold short. Here is how the short interest of companies in the industry of "medical equipment" compare to iRhythm Technologies: Solventum Corporation (3.75%), Penumbra, Inc. (4.97%), Smith & Nephew SNATS, Inc. (0.70%), Glaukos Corporation (5.28%), Bausch + Lomb Corporation (1.03%), Stevanato Group S.p.A. (0.29%), Liquidia Corporation (15.04%), LivaNova PLC (6.18%), Envista Holdings Corporation (5.86%), Warby Parker Inc. (11.96%), 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 iRhythm Technologies stock? Short selling IRTC is an investing strategy that aims to generate trading profit from iRhythm Technologies as its price is falling. IRTC shares are trading up $0.87 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 iRhythm Technologies? A short squeeze for iRhythm Technologies 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 IRTC, which in turn drives the price of the stock up even further. How often is iRhythm Technologies' 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 IRTC, twice per month. The most recent reporting period available is April, 30 2026. What do IRTC's short interest metrics mean? Understanding short interest metrics can help you assess how traders are positioning around a stock like IRTC: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 SOLV Short Squeeze PEN Short Squeeze SNN Short Squeeze GKOS Short Squeeze BLCO Short Squeeze STVN Short Squeeze LQDA Short Squeeze LIVN Short Squeeze NVST Short Squeeze WRBY 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:IRTC) was last updated on 5/22/2026 by MarketBeat.com Staff. 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