NASDAQ:CDIO Cardio Diagnostics (CDIO) Stock Price, News & Analysis $1.83 -0.01 (-0.54%) As of 09/3/2026 04:00 PM Eastern Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsInsider TradesNews and TrendsOwnershipSEC Filings 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$1.83▼$1.9350-Day Range$1.55▼$2.2152-Week Range$0.97▼$7.91Volume89,781 shsAverage Volume50,592 shsMarket Capitalization$5.42 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™ Stocks18th Percentile Overall ScoreCDIO MarketRank™: Cardio Diagnostics scored higher than 18% of companies evaluated by MarketBeat. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion0.7 / 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 only been the subject of 1 research reports 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 -0.63, 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 -0.63, 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 0.73. 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 Shorted1.10% 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 0.44, 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 24.26%, 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. News and Social Media3.7 / 5News SentimentN/A News SentimentCardio Diagnostics has a news sentiment score of 1.89. 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 0.78 average news sentiment score of Healthcare companies.Search Interest1 people have searched for CDIO on MarketBeat in the last 30 days. Company Ownership0.4 / 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 Insiders8.99% of the stock of Cardio Diagnostics is held by insiders.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. 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CDIO Stock News HeadlinesCardio Diagnostics Report Identifies Growing Rural Cardiovascular Care Gap Amid Ongoing Workforce Shortages and Access ChallengesAugust 26, 2026 | businesswire.comCardio Diagnostics Holdings, Inc. (CDIO) Discusses Precision Molecular Advances and AI for Cardiovascular Disease Detection and Strategic Growth Initiatives Prepared Remarks TranscriptAugust 20, 2026 | seekingalpha.comA new income category is drawing serious money - here's whyForbes recently called a new category of exchange-traded income funds a 'golden era,' and Bloomberg noted the eye-popping yields are fueling a boom among everyday investors. Three years ago, barely a dozen of these funds existed - today there are more than 100, holding over $140 billion. These funds trade on the NYSE and NASDAQ and are built to generate monthly income. Some investors are targeting $5,000 a month with roughly one-tenth of the nest egg Wall Street says you need. | Investors Alley (Ad)Cardio Diagnostics Holdings, Inc. to Host Investor Call on Thursday, August 20, 2026August 5, 2026 | businesswire.comCardio Diagnostics Hldgs Insider Trading Activity | NASDAQ:CDIO | BenzingaJuly 7, 2026 | benzinga.comCardio Diagnostics Holdings (CDIO) Showcases Precision Cardiovascular Solutions for Employers, Health PlansJuly 1, 2026 | finance.yahoo.comCardio Diagnostics Holdings (NASDAQ: CDIO) Showcases Precision Cardiovascular Solutions for Employers, Health PlansJuly 1, 2026 | markets.businessinsider.comCardio Diagnostics Holdings (NASDAQ: CDIO) Leverages Epigenetics to Reveal Hidden Heart Disease RisksJune 30, 2026 | markets.businessinsider.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 32.5% and is now trading at $1.83. How were Cardio Diagnostics' earnings last quarter? Cardio Diagnostics Holdings, Inc. (NASDAQ:CDIO) released its earnings results on Friday, August, 7th. The company reported ($0.51) EPS for the quarter. The firm had revenue of $0.01 million for the quarter. Cardio Diagnostics had a negative net margin of 43,133.33% and a negative trailing twelve-month return on equity of 82.28%. 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. 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 Earnings8/07/2026Today9/03/2026Next Earnings (Estimated)11/06/2026Fiscal 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 (5m+) 1-Year History Sep 25 Dec 25 Mar 26 Jun 26 Sep 26 CDIO's financial health is in the Yellow zone, according to TradeSmith. CDIO has been in this zone for over 5 months. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorHealthcare Industry Biotechnology Sub-IndustryBiotechnology Current SymbolNASDAQ:CDIO CIK1870144 Webcardiodiagnosticsinc.com Phone302-281-2147FaxN/AEmployees1Year FoundedN/AProfitability EPS (Trailing Twelve Months)($2.92) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$6.50 million Net Margins-43,133.33% Pretax Margin-43,126.66% Return on Equity-82.28% Return on Assets-76.03% Debt Debt-to-Equity RatioN/A Current Ratio17.16 Quick Ratio17.16 Sales & Book Value Annual Sales$10 thousand Price / Sales541.68 Cash FlowN/A Price / Cash FlowN/A Book Value$2.51 per share Price / Book0.73Miscellaneous Outstanding Shares2,960,000Free Float2,694,000Market Cap$5.42 million OptionableNot Optionable Beta2.28 10 Best Stocks to Own - Summer 2026Enter your email address and we’ll send you MarketBeat’s list of ten stocks set to soar in Summer 2026, despite the threat of tariffs and what's happening in Iran. 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