Lucid Diagnostics (LUCD) Short Interest Ratio & Short Volume $1.16 +0.03 (+2.19%) As of 10:19 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Lucid Diagnostics Short Interest DataLucid Diagnostics (LUCD) has a short interest of 4.85 million shares, representing 12.02% of the float (the number of shares available for trading by the public). This marks a 192.17% increase in short interest from the previous month. The short interest ratio (days to cover) is 3.5, indicating that it would take 3.5 days of the average trading volume of 704,392 shares to cover all short positions.Current Short Interest4,850,000 sharesPrevious Short Interest1,660,000 sharesChange Vs. Previous Month+192.17%Dollar Volume Sold Short$5.58 millionShort Interest Ratio3.5 Days to CoverLast Record DateJune 30, 2025Outstanding Shares108,190,000 sharesFloat Size40,340,000 sharesShort Percent of Float12.02%Today's Trading Volume93,805 sharesAverage Trading Volume704,392 sharesToday's Volume Vs. Average13% Short Selling Lucid Diagnostics? Sign up to receive the latest short interest report for Lucid Diagnostics and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartLUCD Short Interest Over TimeLUCD Days to Cover Over TimeLUCD Percentage of Float Shorted Over Time Lucid Diagnostics Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/30/20254,850,000 shares $5.58 million +192.2%12.0%3.5 $1.15 6/15/20251,660,000 shares $2.14 million +53.7%4.1%1.4 $1.29 5/31/20251,080,000 shares $1.51 million -39.3%2.7%0.9 $1.40 5/15/20251,780,000 shares $2.19 million +32.8%4.4%1.6 $1.23 4/30/20251,340,000 shares $1.68 million -16.3%3.4%1.2 $1.25 4/15/20251,600,000 shares $1.81 million +16.8%4.0%1.6 $1.13 3/31/20251,370,000 shares $2.04 million +12.3%4.2%1.9 $1.49 3/15/20251,220,000 shares $1.70 million -31.8%3.8%2 $1.39 2/28/20251,790,000 shares $2.65 million +72.1%5.6%3.1 $1.48 2/15/20251,040,000 shares $1.52 million +95.2%4.3%2 $1.46 Get the Latest News and Ratings for LUCD and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Lucid Diagnostics and its competitors with MarketBeat's FREE daily newsletter. 1/31/2025532,700 shares $510.27 thousand -1.7%2.2%1.1 $0.96 1/15/2025542,000 shares $449.81 thousand +24.9%2.2%1.2 $0.83 12/31/2024433,800 shares $355.15 thousand +30.4%1.8%0.9 $0.82 12/15/2024332,700 shares $261.30 thousand -21.1%1.4%0.8 $0.79 11/30/2024421,800 shares $421.55 thousand +43.9%2.0%1.1 $1.00 11/15/2024293,100 shares $289.23 thousand -30.6%1.5%0.9 $0.99 10/31/2024422,400 shares $409.31 thousand -61.3%2.2%1.7 $0.97 10/15/20241,090,000 shares $861.10 thousand +35.5%5.7%5.6 $0.79 9/30/2024804,500 shares $655.67 thousand +121.4%4.2%4.6 $0.82 9/15/2024363,300 shares $307.42 thousand -28.3%1.9%2.1 $0.85 8/31/2024506,800 shares $405.64 thousand -12.2%2.7%3 $0.80 8/15/2024577,200 shares $481.96 thousand +1.6%3.1%3.5 $0.84 7/31/2024568,100 shares $453.06 thousand -18.9%3.2%3.8 $0.80 7/15/2024700,500 shares $616.58 thousand -7.2%4.0%3.8 $0.88 6/30/2024754,600 shares $618.77 thousand +27.0%4.3%4 $0.82 6/15/2024594,300 shares $444.54 thousand +79.5%3.4%2.7 $0.75 5/31/2024331,100 shares $294.84 thousand +16.1%1.9%1.5 $0.89 5/15/2024285,300 shares $256.46 thousand -37.5%2.0%1.3 $0.90 4/30/2024456,800 shares $411.58 thousand +26.4%3.1%2.1 $0.90 4/15/2024361,400 shares $292.73 thousand -18.1%2.5%2.2 $0.81 3/31/2024441,000 shares $357.17 thousand +91.1%3.8%3.1 $0.81 3/15/2024230,800 shares $256.19 thousand +13.9%2.3%2.2 $1.11 2/29/2024202,600 shares $249.20 thousand +9.6%2.0%2.8 $1.23 2/15/2024184,900 shares $253.31 thousand +46.1%1.8%3 $1.37 1/31/2024126,600 shares $178.51 thousand +16.4%1.8%2.8 $1.41 1/15/2024108,800 shares $165.38 thousand -8.5%1.0%2.7 $1.52 12/31/2023118,900 shares $167.65 thousand -25.4%1.1%3.1 $1.41 12/15/2023159,300 shares $208.68 thousand +32.8%1.5%3.5 $1.31 11/30/2023120,000 shares $177.60 thousand +0.8%1.2%2.8 $1.48 11/15/2023119,100 shares $158.40 thousand +9.6%1.2%2.7 $1.33Missed the Run So Far? 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Join The Crypto Code Workshop + get $10 in Bitcoin for attending 10/31/2023108,700 shares $140.22 thousand +12.4%1.1%2.4 $1.29 10/15/202396,700 shares $117.97 thousand -2.8%1.0%2.2 $1.22 9/30/202399,500 shares $116.42 thousand +0.4%1.0%2.1 $1.17 9/15/202399,100 shares $150.63 thousand +14.6%1.0%2.3 $1.52 8/31/202386,500 shares $133.21 thousand -15.4%0.9%1.7 $1.54 8/15/2023102,300 shares $152.43 thousand -12.9%1.0%1.9 $1.49 7/31/2023117,400 shares $164.36 thousand -1.1%1.2%2.2 $1.40 7/15/2023118,700 shares $157.87 thousand -20.8%1.2%2.2 $1.33 6/30/2023149,900 shares $208.36 thousand +5.6%1.5%2.6 $1.39 6/15/2023141,900 shares $227.04 thousand +21.8%1.4%2.2 $1.60 5/31/2023116,500 shares $185.24 thousand +12.0%1.2%1.6 $1.59 5/15/2023104,000 shares $154.96 thousand -35.4%1.1%1.2 $1.49 4/30/2023160,900 shares $236.52 thousand +32.2%1.4%1.7 $1.47 4/15/2023121,700 shares $165.51 thousand -35.4%1.1%1.2 $1.36 3/31/2023188,300 shares $263.62 thousand +41.1%2.3%1.7 $1.40 3/15/2023133,500 shares $236.30 thousand -19.0%1.7%1.3 $1.77 2/28/2023164,800 shares $224.13 thousand +13.1%2.2%1.8 $1.36 2/15/2023145,700 shares $190.87 thousand -30.0%2.0%1.8 $1.31 1/31/2023208,100 shares $272.61 thousand -4.3%2.8%2.9 $1.31 1/15/2023217,400 shares $282.62 thousand -0.4%3.0%3.1 $1.30 12/30/2022218,200 shares $296.75 thousand +32.6%3.0%3.8 $1.36 12/15/2022164,500 shares $268.14 thousand -33.2%2.2%2.7 $1.63 11/30/2022246,100 shares $457.75 thousand +17.0%3.6%3.9 $1.86 11/15/2022210,300 shares $420.60 thousand +33.9%2.9%3.2 $2.00 10/31/2022157,100 shares $301.63 thousand -4.4%2.2%2 $1.92 10/15/2022164,300 shares $280.95 thousand -23.2%2.4%1.8 $1.71 9/30/2022213,800 shares $327.11 thousand +20.7%3.1%2.3 $1.53 9/15/2022177,200 shares $363.26 thousand -8.9%2.5%1.8 $2.05 8/31/2022194,500 shares $422.07 thousand -11.6%2.9%1.9 $2.17 8/15/2022220,000 shares $737 thousand -25.2%3.3%2.1 $3.35 7/31/2022294,200 shares $862.01 thousand +3.0%4.5%2.7 $2.93 7/15/2022285,700 shares $751.39 thousand -38.3%4.4%2.5 $2.63 6/30/2022462,900 shares $1.05 million -0.1%7.3%3.1 $2.26 6/15/2022463,200 shares $833.76 thousand -12.0%7.3%2.9 $1.80 5/31/2022526,600 shares $1.11 million -17.4%8.3%3.2 $2.10 5/15/2022637,500 shares $1.31 million -13.5%10.7%3.8 $2.06 4/30/2022736,600 shares $1.55 million +37.4%13.6%4.5 $2.11 4/15/2022536,300 shares $1.32 million +6.7%9.9%3.1 $2.46 3/31/2022502,700 shares $1.69 million +29.5%9.3%3.1 $3.36 3/15/2022388,200 shares $1.19 million +2.5%6.8%1.8 $3.06 2/28/2022378,700 shares $1.42 million -4.4%6.6%1.7 $3.74 2/15/2022396,200 shares $1.55 million -6.4%6.9%1.7 $3.90 1/31/2022423,300 shares $1.36 million +12.2%7.4%1.6 $3.22 1/15/2022377,200 shares $1.61 million -20.7%6.6%1.5 $4.27 12/31/2021475,800 shares $2.56 million No Change8.1%1.3 $5.37 LUCD Short Interest - Frequently Asked Questions What is Lucid Diagnostics' current short interest? Short interest is the volume of Lucid Diagnostics shares that have been sold short but have not yet been covered or closed out. As of June 30th, traders have sold 4,850,000 shares of LUCD short. 12.02% of Lucid Diagnostics' shares are currently sold short. Learn More on Lucid Diagnostics' current short interest. What is a good short interest ratio for Lucid Diagnostics? 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. LUCD shares currently have a short interest ratio of 4.0. Learn More on Lucid Diagnostics's short interest ratio. What is a good short interest percentage for Lucid Diagnostics? 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. 12.02% of Lucid Diagnostics' floating shares are currently sold short. Is Lucid Diagnostics' short interest increasing or decreasing? Lucid Diagnostics saw a increase in short interest in the month of June. As of June 30th, there was short interest totaling 4,850,000 shares, an increase of 192.2% from the previous total of 1,660,000 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. What is Lucid Diagnostics' float size? Lucid Diagnostics currently has issued a total of 108,190,000 shares. Some of Lucid Diagnostics' outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Lucid Diagnostics currently has a public float of 40,340,000 shares. How does Lucid Diagnostics' short interest compare to its competitors? 12.02% of Lucid Diagnostics' shares are currently sold short. Here is how the short interest of companies in the industry of "medical equipment" compare to Lucid Diagnostics: Butterfly Network, Inc. (13.54%), Delcath Systems, Inc. (5.53%), Treace Medical Concepts, Inc. (6.07%), Outset Medical, Inc. (13.52%), ClearPoint Neuro, Inc. (8.41%), RxSight, Inc. (15.33%), NeuroPace, Inc. (3.45%), Nano-X Imaging Ltd. (12.70%), Perspective Therapeutics, Inc. (11.53%), Alpha Tau Medical Ltd. (0.18%), 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 Lucid Diagnostics stock? Short selling LUCD is an investing strategy that aims to generate trading profit from Lucid Diagnostics as its price is falling. LUCD shares are trading up $0.05 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 Lucid Diagnostics? A short squeeze for Lucid Diagnostics 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 LUCD, which in turn drives the price of the stock up even further. How often is Lucid Diagnostics' 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 LUCD, twice per month. The most recent reporting period available is June, 30 2025. More Short Interest Resources from MarketBeat Related Companies BFLY Short Squeeze DCTH Short Squeeze TMCI Short Squeeze OM Short Squeeze CLPT Short Squeeze RXST Short Squeeze NPCE Short Squeeze NNOX Short Squeeze CATX Short Squeeze DRTS 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:LUCD) was last updated on 7/18/2025 by MarketBeat.com Staff From Our PartnersElon’s Secret Social Security BombshellTo All Americans Born Before April 16th, 1963: Did Trump Just Give The Green Light To Radically RE-DO Social S...Banyan Hill Publishing | SponsoredThis Could Be the Most Profitable Season of Your LifeInstitutional money is pouring in. Bitcoin ETFs are live. Altcoin adoption is accelerating. This is the sam...Crypto Swap Profits | SponsoredNew crypto laws coming. 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