Rhythm Pharmaceuticals (RYTM) Stock Chart & Stock Price History $99.02 +1.79 (+1.84%) Closing price 10/3/2025 04:00 PM EasternExtended Trading$93.00 -6.02 (-6.08%) As of 10/3/2025 07:51 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 Rhythm Pharmaceuticals Stock Price Performance The Rhythm Pharmaceuticals (RYTM) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 99.52%, with a year-to-date return of 76.88%. In the past month, the stock has decreased 3.04%, reflecting recent market activity. As of the latest close, Rhythm Pharmaceuticals traded at $99.02 with a market cap of $6.58 billion and volume of 661,681 shares. Five years ago, the stock traded at $22.28, representing a 344.43% increase over that period. At the time, it had a market cap of $982.97 million and a volume of 217,503 shares. Receive RYTM Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Rhythm Pharmaceuticals 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-1.95%1 Month Performance-3.04%3 Month Performance+50.54%Year-To-Date Performance+76.88%1 Year Performance+99.52%5 Year Performance+344.43% RYTM Stock Chart for Sunday, October, 5, 2025 RYTM Chart by TradingView Rhythm Pharmaceuticals 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 Capitalization10/03/2025$97.23$99.02+1.84%$102.79$96.74661,681 shs$6.58 billion10/02/2025$100.01$97.23-2.78%$99.83$95.88450,872 shs$6.46 billion10/01/2025$100.99$100.01-0.97%$101.67$99.30613,734 shs$6.64 billion09/30/2025$100.64$100.99+0.35%$103.07$100.57624,601 shs$6.71 billion09/29/2025$99.16$100.64+1.49%$101.79$99.55568,651 shs$6.68 billion09/26/2025$99.14$99.16+0.02%$100.07$97.62548,633 shs$6.59 billion09/25/2025$96.91$99.14+2.30%$99.60$95.60621,099 shs$6.58 billion09/24/2025$98.70$96.91-1.81%$100.00$95.35734,757 shs$6.44 billion09/23/2025$99.00$98.70-0.30%$99.84$98.07787,444 shs$6.56 billion09/22/2025$96.06$99.00+3.06%$99.23$95.30771,631 shs$6.58 billion Get the Latest News and Ratings for RYTM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Rhythm Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 09/19/2025$98.54$96.06-2.52%$98.84$95.711.38 million shs$6.38 billion09/18/2025$96.10$98.54+2.54%$98.88$95.74747,663 shs$6.55 billion09/17/2025$95.51$96.10+0.62%$97.90$96.02716,063 shs$6.38 billion09/16/2025$96.03$95.51-0.54%$96.82$95.09379,688 shs$6.34 billion09/15/2025$96.22$96.03-0.20%$97.05$94.39409,289 shs$6.38 billion09/12/2025$97.92$96.22-1.74%$98.40$96.15532,025 shs$6.39 billion09/11/2025$100.27$97.92-2.34%$102.46$96.73722,683 shs$6.50 billion09/10/2025$101.44$100.27-1.15%$102.11$99.91520,253 shs$6.66 billion09/09/2025$99.77$101.44+1.67%$101.47$97.47573,304 shs$6.74 billion09/08/2025$102.12$99.77-2.30%$102.94$99.04934,204 shs$6.63 billion09/05/2025$104.57$102.12-2.34%$104.73$101.41533,575 shs$6.78 billion09/04/2025$101.69$104.57+2.83%$104.57$101.47562,163 shs$6.95 billion Related Companies BioNTech Stock Chart Teva Pharmaceutical Industries Stock Chart Genmab A/S Stock Chart Summit Therapeutics Stock Chart Dr. Reddy's Laboratories Stock Chart Ascendis Pharma A/S Stock Chart Viatris Stock Chart Roivant Sciences Stock Chart QIAGEN Stock Chart Elanco Animal Health Stock Chart Receive RYTM Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Rhythm Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 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