RadNet (RDNT) Stock Chart & Stock Price History $76.44 -0.14 (-0.18%) Closing price 04:00 PM EasternExtended Trading$76.46 +0.02 (+0.02%) As of 04:22 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 ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock RadNet Stock Price Performance The RadNet (RDNT) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 9.76%, with a year-to-date return of 9.45%. In the past month, the stock has increased 12.53%, reflecting recent market activity. As of the latest close, RadNet traded at $76.58 with a market cap of $5.89 billion and volume of 1.20 million shares. Five years ago, the stock traded at $15.87, representing a 381.66% increase over that period. At the time, it had a market cap of $818.50 million and a volume of 443,240 shares. Receive RDNT Stock News and Ratings via EmailSign-up to receive the latest news and ratings for RadNet and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now 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. 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Read our full terms of service and privacy policy. 5 Day Performance+3.28%1 Month Performance+12.53%3 Month Performance+33.82%Year-To-Date Performance+9.45%1 Year Performance+9.76%5 Year Performance+381.66% RDNT Stock Chart for Friday, September, 19, 2025 RDNT Chart by TradingView RadNet 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 Capitalization09/18/2025$75.20$76.58+1.84%$77.17$74.541.20 million shs$5.89 billion09/17/2025$74.36$75.20+1.13%$77.37$74.64844,749 shs$5.78 billion09/16/2025$74.99$74.36-0.84%$75.46$73.201.20 million shs$5.72 billion09/15/2025$74.01$74.99+1.32%$75.87$73.39985,612 shs$5.77 billion09/12/2025$73.73$74.01+0.38%$74.16$72.40678,484 shs$5.69 billion09/11/2025$71.32$73.73+3.38%$74.32$71.28575,232 shs$5.67 billion09/10/2025$73.08$71.32-2.41%$73.39$71.04483,409 shs$5.49 billion09/09/2025$71.99$73.08+1.51%$73.08$71.01390,320 shs$5.62 billion09/08/2025$71.41$71.99+0.81%$72.25$70.21561,178 shs$5.54 billion09/05/2025$72.30$71.41-1.23%$73.08$71.26467,531 shs$5.49 billion Get the Latest News and Ratings for RDNT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for RadNet and its competitors with MarketBeat's FREE daily newsletter. 09/04/2025$70.95$72.30+1.90%$72.62$70.08665,212 shs$5.56 billion09/03/2025$70.31$70.95+0.91%$71.44$70.08392,902 shs$5.46 billion09/02/2025$71.76$70.31-2.02%$71.58$69.79478,705 shs$5.41 billion09/01/2025$71.76$71.76$72.35$71.06627,715 shs$5.52 billion08/29/2025$71.79$71.76-0.04%$72.35$71.06627,715 shs$5.52 billion08/28/2025$71.29$71.79+0.70%$71.89$70.75523,723 shs$5.52 billion08/27/2025$70.57$71.29+1.02%$71.64$70.28503,843 shs$5.48 billion08/26/2025$69.59$70.57+1.41%$70.93$69.30583,437 shs$5.43 billion08/25/2025$70.10$69.59-0.73%$70.59$69.281.02 million shs$5.35 billion08/22/2025$68.61$70.10+2.17%$71.11$68.19700,892 shs$5.39 billion08/21/2025$68.64$68.61-0.04%$69.42$67.93618,989 shs$5.28 billion08/20/2025$67.93$68.64+1.05%$68.70$66.68832,646 shs$5.28 billion08/19/2025$66.29$67.93+2.47%$67.97$66.24841,133 shs$5.23 billion08/18/2025$67.45$66.29-1.72%$68.75$65.96777,670 shs$5.10 billion Related Companies Fresenius Medical Care AG & Co. 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