iRhythm Technologies (IRTC) Stock Chart & Stock Price History $172.20 -2.20 (-1.26%) Closing price 09/17/2025 04:00 PM EasternExtended Trading$175.00 +2.80 (+1.63%) As of 06:02 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 Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock iRhythm Technologies Stock Price Performance The iRhythm Technologies (IRTC) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 142.43%, with a year-to-date return of 90.97%. In the past month, the stock has increased 9.04%, reflecting recent market activity. As of the latest close, iRhythm Technologies traded at $172.20 with a market cap of $5.53 billion and volume of 311,190 shares. Five years ago, the stock traded at $233.33, representing a 26.20% decrease over that period. At the time, it had a market cap of $6.39 billion and a volume of 717,925 shares. Receive IRTC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for iRhythm Technologies 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. 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Read our full terms of service and privacy policy. 5 Day Performance-4.24%1 Month Performance+9.04%3 Month Performance+18.33%Year-To-Date Performance+90.97%1 Year Performance+142.43%5 Year Performance-26.20% IRTC Stock Chart for Thursday, September, 18, 2025 IRTC Chart by TradingView iRhythm Technologies 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 Capitalization09/17/2025$174.40$172.20-1.26%$175.65$171.27311,190 shs$5.53 billion09/16/2025$176.16$174.40-1.00%$175.63$173.31282,470 shs$5.60 billion09/15/2025$179.82$176.16-2.04%$179.80$175.72393,344 shs$5.66 billion09/12/2025$181.03$179.82-0.67%$181.56$177.31232,437 shs$5.78 billion09/11/2025$182.05$181.03-0.56%$184.44$179.12395,134 shs$5.82 billion09/10/2025$186.39$182.05-2.33%$186.35$181.37387,254 shs$5.85 billion09/09/2025$187.07$186.39-0.36%$187.57$184.78288,127 shs$5.99 billion09/08/2025$181.05$187.07+3.33%$187.32$181.22688,225 shs$6.01 billion09/05/2025$182.17$181.05-0.61%$183.95$180.18350,081 shs$5.82 billion09/04/2025$176.58$182.17+3.17%$183.20$175.50505,114 shs$5.85 billion Get the Latest News and Ratings for IRTC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for iRhythm Technologies and its competitors with MarketBeat's FREE daily newsletter. 09/03/2025$171.08$176.58+3.21%$177.00$170.03557,858 shs$5.67 billion09/02/2025$169.98$171.08+0.65%$172.00$167.28347,954 shs$5.50 billion09/01/2025$169.98$169.98$172.40$168.95193,610 shs$5.46 billion08/29/2025$171.47$169.98-0.87%$172.40$168.95193,610 shs$5.46 billion08/28/2025$169.79$171.47+0.99%$172.00$167.68351,492 shs$5.51 billion08/27/2025$168.02$169.79+1.05%$170.84$167.32318,058 shs$5.46 billion08/26/2025$165.68$168.02+1.41%$169.37$165.61444,678 shs$5.40 billion08/25/2025$169.12$165.68-2.03%$169.44$165.37274,817 shs$5.32 billion08/22/2025$166.68$169.12+1.46%$172.59$166.52532,031 shs$5.43 billion08/21/2025$163.20$166.68+2.13%$167.62$162.35428,859 shs$5.36 billion08/20/2025$158.52$163.20+2.95%$164.39$160.18386,859 shs$5.24 billion08/19/2025$157.93$158.52+0.37%$159.62$156.52305,014 shs$5.09 billion08/18/2025$160.58$157.93-1.65%$159.80$152.05512,242 shs$5.07 billion Related Companies Zimmer Biomet Stock Price Chart Smith & Nephew SNATS Stock Price Chart Solventum Stock Price Chart Penumbra Stock Price Chart Stevanato Group Stock Price Chart Bausch + Lomb Stock Price Chart Glaukos Stock Price Chart TransMedics Group Stock Price Chart Envista Stock Price Chart LivaNova Stock Price Chart Receive IRTC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for iRhythm Technologies and its competitors with MarketBeat's FREE daily newsletter. 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