NASDAQ:CDIO Cardio Diagnostics (CDIO) Stock Price, News & Analysis $1.96 -0.15 (-7.11%) Closing price 04:00 PM EasternExtended Trading$2.05 +0.09 (+4.39%) As of 07:39 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 Massive. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock About Cardio Diagnostics Stock (NASDAQ:CDIO) View Price History Chart DataSkip Price History Chart 1 Day 5 Days 30 Days 90 Days 1 Year Advanced 1 Day 1 Day 5 Days 30 Days 90 Days 1 Year Advanced Show volume Show extended hours Get Cardio Diagnostics alerts:Sign Up Key Stats Today's Range$1.89▼$2.1450-Day Range$1.37▼$2.3552-Week Range$0.97▼$7.91Volume64,763 shsAverage Volume72,812 shsMarket Capitalization$5.80 millionP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingSell Company Overview Cardio Diagnostics Holdings, Inc. develops and commercializes epigenetics-based clinical tests for cardiovascular disease. It offers Epi+Gen CHD, a three-year symptomatic coronary heart disease (CHD) risk assessment test targeting CHD events, including heart attacks; and PrecisionCHD, an integrated epigenetic-genetic blood test for the early detection of coronary heart disease. Cardio Diagnostics Holdings, Inc. was founded in 2017 and is headquartered in Chicago, Illinois. Read More Cardio Diagnostics Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks10th Percentile Overall ScoreCDIO MarketRank™: Cardio Diagnostics scored higher than 10% of companies evaluated by MarketBeat. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion0.5 / 5Analyst RatingSell Consensus RatingCardio Diagnostics has received a consensus rating of Sell. The company's average rating score is 1.00, and is based on no strong buy ratings, no buy ratings, no hold ratings, and 1 sell rating.Amount of Analyst CoverageCardio Diagnostics has received no research coverage in the past 90 days.Read more about Cardio Diagnostics' stock forecast and price target. Earnings and Valuation0.6 / 5Proj. Earnings GrowthN/A Price to Earnings Ratio vs. the MarketThe P/E ratio of Cardio Diagnostics is -0.58, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Earnings Ratio vs. SectorThe P/E ratio of Cardio Diagnostics is -0.58, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Book Value per Share RatioCardio Diagnostics has a P/B Ratio of 0.51. P/B Ratios below 1 indicate that a company could be undervalued with respect to its assets and liabilities.Read more about Cardio Diagnostics' valuation and earnings. Short Interest5.0 / 5Short Interest LevelHealthy Percentage of Shares Shorted0.74% of the float of Cardio Diagnostics has been sold short.Short Interest Ratio / Days to CoverCardio Diagnostics has a short interest ratio ("days to cover") of 0.22, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in Cardio Diagnostics has recently decreased by 59.41%, indicating that investor sentiment is improving significantly. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldCardio Diagnostics does not currently pay a dividend.Dividend GrowthCardio Diagnostics does not have a long track record of dividend growth. News and Social Media0.0 / 5News SentimentN/A Search InterestOnly 1 people have searched for CDIO on MarketBeat in the last 30 days. This is a decrease of -50% compared to the previous 30 days. Company Ownership0.6 / 5Insider TradingN/A Insider Buying vs. Insider SellingIn the past three months, Cardio Diagnostics insiders have not sold or bought any company stock.Percentage Held by Insiders13.30% of the stock of Cardio Diagnostics is held by insiders. A high percentage of insider ownership can be a sign of company health.Percentage Held by Institutions8.06% of the stock of Cardio Diagnostics is held by institutions.Read more about Cardio Diagnostics' insider trading history. Receive CDIO Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Cardio Diagnostics and its competitors with MarketBeat's FREE daily newsletter. Submit 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. 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CDIO Stock News HeadlinesCardio Diagnostics Holdings (NASDAQ: CDIO) Showcases AI-Powered Cardiovascular Risk Solutions at Four National Benefits ConferencesMay 28, 2026 | markets.businessinsider.comCardio Diagnostics Holdings (CDIO) Showcases AI-Powered Cardiovascular Risk Solutions at Four National Benefits ConferencesMay 28, 2026 | finance.yahoo.comTrump's gold order: the announcement they won't put on the front pageOn August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no debate, no vote, one executive order. Gold tripled within three years and climbed 20x over the following decade. Trump holds that same executive authority today, and his advisors are openly saying a reversal is on the table. There are two ways this plays out - both move gold in the same direction. A free briefing breaks down exactly what Nixon did, why Trump is positioned to act, and how to move your 401k into gold before any announcement - tax free.June 5 at 1:00 AM | Reagan Gold Group (Ad)Cardio Diagnostics Holdings, Inc. to Showcase Precision Cardiovascular Solutions at Four National Benefits Conferences in JuneMay 27, 2026 | businesswire.comCardio Diagnostics Holdings (CDIO) CEO Highlights Growth Strategy, India Expansion on BioMedWire PodcastMay 20, 2026 | finance.yahoo.comIBN Announces Latest Episode of The BioMedWire Podcast Featuring Dr. Meesha Dogan, CEO of Cardio Diagnostics Holdings Inc.May 20, 2026 | globenewswire.comCardio Diagnostics Holdings (NASDAQ: CDIO) Focused on Vision for Personalized Heart CareMay 19, 2026 | markets.businessinsider.comCardio Diagnostics Holdings (CDIO) Offers Broad Suite of AI-Powered Solutions for Cardiovascular Disease PreventionMay 19, 2026 | finance.yahoo.comSee More Headlines CDIO Stock Analysis - Frequently Asked Questions How have CDIO shares performed this year? Cardio Diagnostics' stock was trading at $2.71 at the start of the year. Since then, CDIO shares have decreased by 27.7% and is now trading at $1.96. How were Cardio Diagnostics' earnings last quarter? Cardio Diagnostics Holdings, Inc. (NASDAQ:CDIO) posted its earnings results on Friday, May, 15th. The company reported ($0.63) EPS for the quarter. Cardio Diagnostics had a negative net margin of 36,950.00% and a negative trailing twelve-month return on equity of 78.82%. When did Cardio Diagnostics' stock split? Cardio Diagnostics shares reverse split on Tuesday, May 13th 2025.The 1-30 reverse split was announced on Thursday, May 8th 2025. The number of shares owned by shareholders was adjusted after the market closes on Monday, May 12th 2025. An investor that had 100 shares of stock prior to the reverse split would have 3 shares after the split. Who are Cardio Diagnostics' major shareholders? Top institutional shareholders of Cardio Diagnostics include Renaissance Technologies LLC (0.52%). Insiders that own company stock include Robert Philibert and Meeshanthini Dogan. View institutional ownership trends. How do I buy shares of Cardio Diagnostics? Shares of CDIO stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. What other stocks do shareholders of Cardio Diagnostics own? Based on aggregate information from My MarketBeat watchlists, some other companies that Cardio Diagnostics investors own include Sangamo Therapeutics (SGMO), NVIDIA (NVDA), MSP Recovery (LIFW), NuCana (NCNA), Recursion Pharmaceuticals (RXRX), SoundHound AI (SOUN) and Caribou Biosciences (CRBU). Company Calendar Last Earnings5/15/2026Today6/05/2026Next Earnings (Estimated)8/13/2026Fiscal Year End12/31/2026Get Stock Alerts Health Indicator TradeSmith's Health IndicatorA long-term volatility-based measure designed for securities held 12 months or longer.Green: Strong and healthy uptrend with normal pullbacks.Yellow: Significant pullback but still within expected volatility.Red: Dropped beyond expected volatility; considered unhealthy. Yellow Zone (2m+) 1-Year History Jun 25 Sep 25 Dec 25 Mar 26 Jun 26 CDIO's financial health is in the Yellow zone, according to TradeSmith. CDIO has been in this zone for over 2 months. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry MED - BIOMED/GENE Sub-IndustryPharmaceutical Products Current SymbolNASDAQ:CDIO CIK1870144 Webcardiodiagnosticsinc.com Phone302-281-2147FaxN/AEmployees1Year FoundedN/AProfitability EPS (Trailing Twelve Months)($3.38) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$6.50 million Net Margins-36,950.00% Pretax Margin-36,950.00% Return on Equity-78.82% Return on Assets-72.87% Debt Debt-to-Equity RatioN/A Current Ratio15.77 Quick Ratio15.77 Sales & Book Value Annual Sales$10 thousand Price / Sales580.16 Cash FlowN/A Price / Cash FlowN/A Book Value$3.82 per share Price / Book0.51Miscellaneous Outstanding Shares2,960,000Free Float2,566,000Market Cap$5.80 million OptionableNot Optionable Beta2.24 7 Stocks to Buy And Hold ForeverClick the link to see MarketBeat's list of seven stocks and why their long-term outlooks are very promising. Get This Free Report This page (NASDAQ:CDIO) was last updated on 6/5/2026 by MarketBeat.com Staff. 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