Cardio Diagnostics (CDIO) Short Interest Ratio & Short Volume $3.88 -0.26 (-6.28%) Closing price 08/1/2025 03:59 PM EasternExtended Trading$4.00 +0.13 (+3.22%) As of 08/1/2025 07:32 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Cardio Diagnostics Short Interest DataCardio Diagnostics (CDIO) has a short interest of 13,500 shares, representing 0.78% of the float (the number of shares available for trading by the public). This marks a -70.26% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.2, indicating that it would take 0.2 days of the average trading volume of 36,848 shares to cover all short positions.Current Short Interest13,500 sharesPrevious Short Interest45,400 sharesChange Vs. Previous Month-70.26%Dollar Volume Sold Short$60.21 thousandShort Interest Ratio0.2 Days to CoverLast Record DateJuly 15, 2025Outstanding Shares1,739,000 sharesFloat Size1,740,000 sharesShort Percent of Float0.78%Today's Trading Volume44,385 sharesAverage Trading Volume36,848 sharesToday's Volume Vs. Average120% Short Selling Cardio Diagnostics? Sign up to receive the latest short interest report for Cardio 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 ChartCDIO Short Interest Over TimeCDIO Days to Cover Over TimeCDIO Percentage of Float Shorted Over Time Cardio 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 7/15/202513,500 shares $60.21 thousand -70.3%0.8%0.2 $4.46 6/30/202545,400 shares $163.44 thousand -21.3%2.6%0.8 $3.60 6/15/202557,700 shares $234.26 thousand -32.8%3.3%1 $4.06 5/31/202585,900 shares $351.33 thousand +53.1%5.3%1.6 $4.09 5/15/202556,100 shares $224.40 thousand -95.7%3.5%1.1 $4.00 4/30/20251,310,000 shares $16.69 million -29.2%2.7%1 $12.74 4/15/20251,850,000 shares $737.78 thousand +19.4%3.8%1.3 $0.40 3/31/20251,550,000 shares $511.50 thousand +24.0%3.2%0.7 $0.33 3/15/20251,250,000 shares $530.38 thousand -36.9%2.6%0.5 $0.42 2/28/20251,980,000 shares $889.61 thousand -21.4%4.2%0.3 $0.45 Get the Latest News and Ratings for CDIO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Cardio Diagnostics and its competitors with MarketBeat's FREE daily newsletter. 2/15/20252,520,000 shares $1.69 million +43.2%6.9%0.4 $0.67 1/31/20251,760,000 shares $772.99 thousand +439.6%4.8%0.3 $0.44 1/15/2025326,200 shares $192.46 thousand -78.7%0.9%0 $0.59 12/31/20241,530,000 shares $1.40 million -56.0%4.2%0.2 $0.92 12/15/20243,480,000 shares $4.38 million +124.5%9.5%0.5 $1.26 11/30/20241,550,000 shares $471.20 thousand +261.3%4.5%0.3 $0.30 11/15/2024429,000 shares $109.40 thousand -74.5%2.0%0.1 $0.26 10/31/20241,680,000 shares $470.40 thousand +64.7%7.7%0.7 $0.28 10/15/20241,020,000 shares $218.48 thousand -63.6%4.7%0.8 $0.21 9/30/20242,800,000 shares $624.40 thousand +1,100.2%12.8%3 $0.22 9/15/2024233,300 shares $69.66 thousand -41.7%1.2%0.9 $0.30 8/31/2024400,200 shares $150.08 thousand +28.9%2.0%1.7 $0.38 8/15/2024310,500 shares $131.34 thousand +14.1%1.6%1.5 $0.42 7/31/2024272,100 shares $122.45 thousand -7.9%1.4%0.6 $0.45 7/15/2024295,400 shares $149.47 thousand -34.2%1.6%0.6 $0.51 6/30/2024448,900 shares $246.90 thousand +3.3%2.4%1 $0.55 6/15/2024434,400 shares $259.77 thousand -17.9%2.3%0.9 $0.60 5/31/2024529,300 shares $366.65 thousand -59.3%2.8%1 $0.69 5/15/20241,300,000 shares $1.10 million +286.3%7.0%2.2 $0.85 4/30/2024336,500 shares $230.50 thousand -34.1%1.9%0.9 $0.69 4/15/2024510,400 shares $509.12 thousand +14.8%2.9%1 $1.00 3/31/2024444,600 shares $631.33 thousand -2.6%2.5%0.6 $1.42 3/15/2024456,300 shares $574.94 thousand -7.7%2.7%0.4 $1.26 2/29/2024494,300 shares $800.77 thousand -32.6%3.0%0.3 $1.62 2/15/2024733,200 shares $1.31 million -3.2%4.4%0.3 $1.78 1/31/2024757,500 shares $1.65 million -10.6%4.5%0.1 $2.18 1/15/2024847,000 shares $2.22 million +78.6%5.1%0.1 $2.62 12/31/2023474,200 shares $1.18 million -38.3%2.8%0 $2.49 12/15/2023768,000 shares $1.80 million -28.2%4.6%0.1 $2.34 11/30/20231,070,000 shares $2.18 million -58.2%7.7%0.1 $2.04The $7 company helping Nvidia build the world’s first trillion-dollar robot … (Ad)Michael Robinson has been at the forefront of the technology market for over 40 years. 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Click here to find out more. 11/15/20232,560,000 shares $2.71 million +774.9%18.4%0.2 $1.06 10/31/2023292,600 shares $88.25 thousand +11.3%5.3%0 $0.30 10/15/2023263,000 shares $68.93 thousand +282.3%4.8%0.5 $0.26 9/30/202368,800 shares $23.39 thousand +53.2%1.3%0.4 $0.34 9/15/202344,900 shares $22.00 thousand +532.4%0.8%0.3 $0.49 8/31/20237,100 shares $3.90 thousand -49.3%0.1%0 $0.55 8/15/202314,000 shares $13.16 thousand -79.8%0.3%0.1 $0.94 7/31/202369,200 shares $83.73 thousand -39.7%1.3%0.4 $1.21 7/15/2023114,700 shares $122.73 thousand -7.5%2.2%0.6 $1.07 6/30/2023124,000 shares $147.56 thousand -3.1%2.4%0.6 $1.19 6/15/2023127,900 shares $172.67 thousand -44.1%2.4%0.7 $1.35 5/31/2023228,600 shares $340.61 thousand +99.5%4.4%1 $1.49 5/15/2023114,600 shares $207.21 thousand No Change2.2%0 $1.81 CDIO Short Interest - Frequently Asked Questions What is Cardio Diagnostics' current short interest? Short interest is the volume of Cardio Diagnostics shares that have been sold short but have not yet been closed out or covered. As of July 15th, traders have sold 13,500 shares of CDIO short. 0.78% of Cardio Diagnostics' shares are currently sold short. Learn More on Cardio Diagnostics' current short interest. What is a good short interest percentage for Cardio 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. 0.78% of Cardio Diagnostics' floating shares are currently sold short. Is Cardio Diagnostics' short interest increasing or decreasing? Cardio Diagnostics saw a drop in short interest during the month of July. As of July 15th, there was short interest totaling 13,500 shares, a drop of 70.3% from the previous total of 45,400 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 Cardio Diagnostics' float size? Cardio Diagnostics currently has issued a total of 1,739,000 shares. Some of Cardio 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. Cardio Diagnostics currently has a public float of 1,740,000 shares. How does Cardio Diagnostics' short interest compare to its competitors? 0.78% of Cardio Diagnostics' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Cardio Diagnostics: Clene Inc. (4.02%), FibroGen, Inc (4.00%), MIRA Pharmaceuticals, Inc. (9.30%), Tempest Therapeutics, Inc. (4.93%), SCYNEXIS, Inc. (1.53%), Cingulate Inc. (3.28%), ALX Oncology Holdings Inc. (11.93%), NeuroSense Therapeutics Ltd. (2.25%), NanoViricides, Inc. (0.66%), Q32 Bio Inc. (12.54%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Coinbase Global, Inc. ($5.11 billion), Charter Communications, Inc. ($4.76 billion), Reddit Inc. ($2.84 billion), SoFi Technologies, Inc. ($2.79 billion), Seagate Technology Holdings PLC ($2.79 billion), Live Nation Entertainment, Inc. ($2.67 billion), Rocket Lab Corporation ($2.49 billion), AST SpaceMobile, Inc. ($2.12 billion), Moderna, Inc. ($2.09 billion), and Omnicom Group Inc. ($2.04 billion). View all of the most shorted stocks. What does it mean to sell short Cardio Diagnostics stock? Short selling CDIO is an investing strategy that aims to generate trading profit from Cardio Diagnostics as its price is falling. CDIO shares are trading down $0.26 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 Cardio Diagnostics? A short squeeze for Cardio 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 CDIO, which in turn drives the price of the stock up even further. How often is Cardio 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 CDIO, twice per month. The most recent reporting period available is July, 15 2025. More Short Interest Resources from MarketBeat Related Companies Clene Short Squeeze FibroGen Short Squeeze MIRA Pharmaceuticals Short Squeeze Tempest Therapeutics Short Squeeze SCYNEXIS Short Squeeze Cingulate Short Squeeze ALX Oncology Short Squeeze NeuroSense Therapeutics Short Squeeze NanoViricides Short Squeeze Q32 Bio 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:CDIO) was last updated on 8/2/2025 by MarketBeat.com Staff From Our Partners379 passengers walked away from thisWhy Elon Musk Just Invested $51 Million Into Brand New “Miracle Metal” Developed by MIT ScientistsTrue Market Insiders | Sponsored$100 Trillion “AI Metal” Found in American Ghost TownJeff Brown recently traveled to a ghost town in the middle of an American desert… To investigate what could...Brownstone Research | SponsoredMarket Crash Warning: How to Protect Your Wealth Before August 12thChina tariffs hit August 12—and experts warn a market meltdown may follow. 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