Cardio Diagnostics (CDIO) Stock Chart & Stock Price History $4.28 -0.05 (-1.15%) Closing price 10/17/2025 03:59 PM EasternExtended Trading$4.43 +0.15 (+3.60%) As of 10/17/2025 07:19 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 Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Cardio Diagnostics Stock Price Performance The Cardio Diagnostics (CDIO) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 32.35%, with a year-to-date return of -84.44%. In the past month, the stock has increased 10.59%, reflecting recent market activity. As of the latest close, Cardio Diagnostics traded at $4.28 with a market cap of $7.53 million and volume of 23,750 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-3.39%1 Month Performance+10.59%3 Month Performance-0.47%Year-To-Date Performance-84.44%1 Year Performance-32.35% CDIO Stock Chart for Saturday, October, 18, 2025 CDIO Chart by TradingView Cardio Diagnostics Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization10/17/2025$4.33$4.28-1.15%$4.39$4.2323,750 shs$7.53 million10/16/2025$4.51$4.33-3.99%$4.60$4.2628,707 shs$7.62 million10/15/2025$4.49$4.51+0.45%$4.66$4.2162,155 shs$7.95 million10/14/2025$4.43$4.49+1.35%$4.52$4.0334,560 shs$7.90 million10/13/2025$4.15$4.43+6.75%$4.44$4.1928,633 shs$7.80 million10/10/2025$4.55$4.15-8.79%$4.61$4.1035,567 shs$7.30 million10/09/2025$4.54$4.55+0.22%$4.68$4.4335,037 shs$8.02 million10/08/2025$4.37$4.54+3.89%$4.59$4.2066,746 shs$7.99 million10/07/2025$4.39$4.37-0.46%$4.50$4.1627,386 shs$7.69 million10/06/2025$4.55$4.39-3.52%$4.63$4.3122,454 shs$7.74 million10/03/2025$4.25$4.55+7.06%$4.63$4.3166,400 shs$8.02 million10/02/2025$4.26$4.25-0.23%$4.85$4.23175,819 shs$7.48 million10/01/2025$4.01$4.26+6.23%$4.29$3.8842,433 shs$7.50 million09/30/2025$4.00$4.01+0.25%$4.08$3.8132,414 shs$7.07 million09/29/2025$4.07$4.00-1.72%$4.26$3.9936,418 shs$7.04 million09/26/2025$4.06$4.07+0.25%$4.25$4.009,551 shs$7.16 million09/25/2025$4.27$4.06-4.92%$4.37$4.0638,707 shs$7.15 million09/24/2025$4.16$4.27+2.64%$4.61$4.1056,564 shs$7.53 million09/23/2025$3.91$4.16+6.39%$4.50$3.9083,614 shs$7.32 million09/22/2025$3.99$3.91-2.01%$4.01$3.7823,776 shs$6.88 million09/19/2025$3.87$3.99+3.10%$4.09$3.9018,784 shs$7.02 million09/18/2025$3.86$3.87+0.26%$3.88$3.816,163 shs$6.82 million09/17/2025$3.89$3.86-0.77%$3.95$3.8411,215 shs$6.79 million Related Companies DARE Stock Chart ENLV Stock Chart CVKD Stock Chart PASG Stock Chart LPTX Stock Chart PMN Stock Chart LNAI Stock Chart CASI Stock Chart MIRA Stock Chart TAOX Stock Chart Receive CDIO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Cardio Diagnostics and its competitors with MarketBeat's FREE daily newsletter. 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