NASDAQ:CDIO Cardio Diagnostics (CDIO) Stock Price, News & Analysis $1.61 0.00 (0.00%) Closing price 05/22/2026 04:00 PM EasternExtended Trading$1.60 -0.02 (-0.93%) As of 05/22/2026 07:50 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$1.55▼$1.6750-Day Range$1.37▼$4.5652-Week Range$0.97▼$7.91Volume46,817 shsAverage Volume72,324 shsMarket Capitalization$4.77 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™ Stocks25th Percentile Overall ScoreCDIO MarketRank™: Cardio Diagnostics scored higher than 25% 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 -0.48, 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 -0.48, 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 0.53. 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 Shorted1.82% 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 1.2, 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 12.92%, 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 Media3.5 / 5News Sentiment0.62 News SentimentCardio Diagnostics has a news sentiment score of 0.62. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a higher news sentiment than the 0.45 average news sentiment score of Medical companies.News Coverage This WeekMarketBeat has tracked 6 news articles for Cardio Diagnostics this week, compared to 2 articles on an average week.Search Interest2 people have searched for CDIO on MarketBeat in the last 30 days. This is an increase of 100% 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. 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Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. CDIO Stock News HeadlinesCardio 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.comLouis Navellier: My #1 AI stock for 2026 (name & ticker inside)Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top S&P 500 stock for 12 years running—and today, he's giving away his #1 AI stock pick for 2026, free. This company's sales are up 28% year over year, it holds over 30,000 patents in wireless and video technology, and it just earned an A-rating in his proprietary Stock Grader system that has cost him $9 million to build and maintain.May 25 at 1:00 AM | InvestorPlace (Ad)Cardio 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.comCardio Diagnostics Holdings (CDIO) Focused on Vision for Personalized Heart CareMay 19, 2026 | finance.yahoo.comCardio Diagnostics Holdings (NASDAQ: CDIO) Offers Broad Suite of AI-Powered Solutions for Cardiovascular Disease PreventionMay 18, 2026 | markets.businessinsider.comCardio Diagnostics Holdings (NASDAQ: CDIO) Targets Earlier, More Precise Cardiac InsightsMay 7, 2026 | theglobeandmail.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 beginning of the year. Since then, CDIO stock has decreased by 40.6% and is now trading at $1.61. How were Cardio Diagnostics' earnings last quarter? Cardio Diagnostics Holdings, Inc. (NASDAQ:CDIO) issued its earnings results on Friday, May, 15th. The company reported ($0.63) earnings per share (EPS) for the quarter. Cardio Diagnostics had a negative trailing twelve-month return on equity of 78.82% and a negative net margin of 36,950.00%. When did Cardio Diagnostics' stock split? Shares of Cardio Diagnostics 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 closing bell 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? Cardio Diagnostics' top institutional investors 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 Earnings5/15/2026Today5/25/2026Next 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 May 25 Aug 25 Nov 25 Feb 26 May 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 Ratio9.79 Sales & Book Value Annual Sales$16.57 thousand Price / Sales287.69 Cash FlowN/A Price / Cash FlowN/A Book Value$3.01 per share Price / Book0.53Miscellaneous Outstanding Shares2,960,000Free Float2,566,000Market Cap$4.77 million OptionableNot Optionable Beta2.30 Ten Starter Stocks For Beginners to Buy NowJust getting into the stock market? These 10 simple stocks can help beginning investors build long-term wealth without knowing options, technicals, or other advanced strategies.Get This Free Report This page (NASDAQ:CDIO) was last updated on 5/25/2026 by MarketBeat.com Staff. From Our PartnersSpaceX eyes a 1.75 trillion valuation - here's what to knowElon Musk's team has quietly filed confidential paperwork with the SEC for what Bloomberg estimates could be a...Brownstone Research | SponsoredMy feud with Zohran MamdaniEmmy-winning analyst releases his next big story Whitney Tilson shocked the nation on 60 Minutes when he ac...Stansberry Research | SponsoredYour book attachedBill Poulos is giving away his 'Safe Trade Options Formula' book for free - but only for a limited time throug...Profits Run | SponsoredSpaceX IPO hides a much bigger storyThe SpaceX IPO could be the biggest in history at $1.75 trillion - but the real story isn't the IPO itself. ...Weiss Ratings | SponsoredRead now. Do not delete. 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