NASDAQ:CDIO Cardio Diagnostics (CDIO) Stock Price, News & Analysis $3.87 +0.08 (+2.22%) Closing price 08/29/2025 03:50 PM EasternExtended Trading$3.25 -0.62 (-16.11%) As of 04:00 AM 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 Stock Analysis Stock AnalysisChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock About Cardio Diagnostics Stock (NASDAQ:CDIO) 30 days 90 days 365 days Advanced Chart View Price History Chart DataSkip Price History Chart Get Cardio Diagnostics alerts:Sign Up Key Stats Today's Range$3.67▼$3.8150-Day Range$3.28▼$4.6252-Week Range$3.22▼$53.10Volume6,837 shsAverage Volume34,034 shsMarket Capitalization$6.82 millionP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A 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™ Stocks21st Percentile Overall ScoreCDIO MarketRank™: Cardio Diagnostics scored higher than 21% of companies evaluated by MarketBeat. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's OpinionN/AAnalyst RatingN/A Consensus RatingThere is not enough analysis data for Cardio Diagnostics. Earnings and Valuation0.6 / 5Proj. Earnings GrowthN/A Price to Book Value per Share RatioCardio Diagnostics has a P/B Ratio of 0.55. 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 Interest3.0 / 5Short Interest LevelHealthy Percentage of Shares Shorted1.18% 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 0.3, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in Cardio Diagnostics has recently increased by 51.85%, indicating that investor sentiment is decreasing 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. Sustainability and ESGN/AEnvironmental ScoreN/A Percentage of Shares Shorted1.18% 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 0.3, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in Cardio Diagnostics has recently increased by 51.85%, indicating that investor sentiment is decreasing significantly. News and Social Media3.3 / 5News SentimentN/A News SentimentCardio Diagnostics has a news sentiment score of 1.88. 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 1.12 average news sentiment score of Medical companies.News Coverage This WeekMarketBeat has tracked 1 news article for Cardio Diagnostics this week, compared to 0 articles on an average week. Company Ownership1.7 / 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 Insiders22.30% 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 InstitutionsOnly 8.06% 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 TermsBy 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. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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 Second Quarter 2025 Earnings: US$0.97 loss per share (vs US$1.71 loss in 2Q 2024)August 16, 2025 | finance.yahoo.comCardio Diagnostics Holdings, Inc. (CDIOW) - Yahoo FinanceAugust 9, 2025 | finance.yahoo.comNew law could create $3.7 trillion tsunami.During a meeting in Washington D.C., Jeff Brown discovered a bold initiative. He calls it “President Trump’s Project MAFA,” and it could soon return America to a “new” gold standard. The Trump administration, Wall Street, and Silicon Valley are all pushing it forward. The President himself calls the plan “incredible.” Already, it’s helping small plays jump as high as 300%, 318%, 520%, and even 600%. | Brownstone Research (Ad)Cardio Diagnostics Holdings Inc News (CDIO) - Investing.comJuly 8, 2025 | investing.comCardio Diagnostics stock rises on AGEPHA Pharma study collaborationJuly 8, 2025 | au.investing.comCardio Diagnostics Shares Climb Following New Clinical Study Partnership with AGEPHA PharmaJuly 8, 2025 | msn.comCardio Diagnostics Enters Into an Agreement with AGEPHA Pharma to Advance Precision Assessment and Management of Inflammation Associated with Coronary Heart DiseaseJuly 8, 2025 | businesswire.comCDIO - Cardio Diagnostics Holdings Inc Executives | MorningstarJune 25, 2025 | morningstar.comMSee More Headlines CDIO Stock Analysis - Frequently Asked Questions How have CDIO shares performed this year? Cardio Diagnostics' stock was trading at $27.51 at the beginning of 2025. Since then, CDIO stock has decreased by 85.9% and is now trading at $3.8740. How were Cardio Diagnostics' earnings last quarter? Cardio Diagnostics Holdings, Inc. (NASDAQ:CDIO) released its earnings results on Thursday, August, 14th. The company reported ($0.97) earnings per share (EPS) for the quarter, beating the consensus estimate of ($1.80) by $0.83. The business earned $0.01 million during the quarter, compared to analysts' expectations of $0.08 million. Cardio Diagnostics had a negative trailing twelve-month return on equity of 72.78% and a negative net margin of 30,465.10%. 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 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? Cardio Diagnostics' top institutional shareholders include Geode Capital Management LLC (0.77%). 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 Earnings8/14/2025Today9/01/2025Next Earnings (Estimated)11/12/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, 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)N/A Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$8.38 million Net Margins-30,465.10% Pretax Margin-30,465.10% Return on Equity-72.78% Return on Assets-66.17% Debt Debt-to-Equity RatioN/A Current Ratio23.52 Quick Ratio23.52 Sales & Book Value Annual Sales$40 thousand Price / Sales170.46 Cash FlowN/A Price / Cash FlowN/A Book Value$7.10 per share Price / Book0.55Miscellaneous Outstanding Shares1,760,000Free Float1,370,000Market Cap$6.82 million OptionableNot Optionable Beta2.94 The Best High-Yield Dividend Stocks for 2025Discover the 10 Best High-Yield Dividend Stocks for 2025 and secure reliable income in uncertain markets. Download the report now to identify top dividend payers and avoid common yield traps.Get This Free Report This page (NASDAQ:CDIO) was last updated on 9/2/2025 by MarketBeat.com Staff From Our PartnersThe day and month stocks are most likely to crash nextGood News for Stocks 50-year Wall Street veteran, Marc Chaikin is stepping forward to share why history giv...Chaikin Analytics | SponsoredWhat Steve Bannon revealed about Trump’s gold playA Trump advisor just said 3 words that could reset the dollar. It’s a gold move nobody saw coming—and your ...Reagan Gold Group | SponsoredThe stealth altcoin the financial world is underestimatingThis DeFi project could soar next When altcoin season fully kicks in—which the data suggests is happening R...Crypto 101 Media | SponsoredEveryone’s watching Nvidia right now. 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