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$3.80 -0.07 (-1.91%) As of 08/29/2025 07:16 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 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 Volume35,912 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™ Stocks22nd Percentile Overall ScoreCDIO MarketRank™: Cardio Diagnostics scored higher than 22% 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 0.70. 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 1.09 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.comThe Coin That Could Define Trump’s Crypto PresidencyWhen Trump returned to office, one of his first moves was to tap PayPal’s former COO, David Sacks, as a top advisor on crypto and AI. That alone signaled a shift. But insiders close to D.C. aren’t just talking crypto policy—they’re quietly buying something most retail investors have missed. While the crowd chases Bitcoin to $150,000, Weiss Ratings expert Juan Villaverde believes a different coin—already backed by giants like Google, Visa, and PayPal—could soon become crypto’s “Third Giant.”August 31 at 2:00 AM | Weiss Ratings (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 on January 1st, 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) issued its earnings results on Thursday, August, 14th. The company reported ($0.97) earnings per share (EPS) for the quarter, topping analysts' consensus estimates of ($1.80) by $0.83. The business earned $0.01 million during the quarter, compared to analyst estimates 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 the morning of 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 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 Earnings8/14/2025Today8/31/2025Next 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$5.52 per share Price / Book0.70Miscellaneous Outstanding Shares1,760,000Free Float1,370,000Market Cap$6.82 million OptionableNot Optionable Beta2.96 7 Stocks That Could Be Bigger Than Tesla, Nvidia, and GoogleLooking for the next FAANG stock before everyone has heard about it? 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