PTC Therapeutics (PTCT) Stock Chart & Stock Price History $45.38 -4.98 (-9.89%) Closing price 08/8/2025 04:00 PM EasternExtended Trading$45.50 +0.12 (+0.26%) As of 08/8/2025 07:28 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 PTC Therapeutics Stock Price Performance The PTC Therapeutics (PTCT) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 45.03%, with a year-to-date return of 0.53%. In the past month, the stock has decreased 6.89%, reflecting recent market activity. As of the latest close, PTC Therapeutics traded at $45.38 with a market cap of $3.60 billion and volume of 2.36 million shares. Five years ago, the stock traded at $47.83, representing a 5.12% decrease over that period. At the time, it had a market cap of $3.11 billion and a volume of 2.13 million shares. Receive PTCT Stock News and Ratings via EmailSign-up to receive the latest news and ratings for PTC Therapeutics and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-13.15%1 Month Performance-6.89%3 Month Performance+2.60%Year-To-Date Performance+0.53%1 Year Performance+45.03%5 Year Performance-5.12% PTCT Stock Chart for Saturday, August, 9, 2025 PTCT Chart by TradingView PTC Therapeutics 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 Capitalization08/08/2025$50.36$45.38-9.89%$48.36$45.002.36 million shs$3.60 billion08/07/2025$51.36$50.36-1.95%$51.97$50.18869,410 shs$3.99 billion08/06/2025$51.11$51.36+0.49%$51.38$50.18633,780 shs$4.07 billion08/05/2025$52.25$51.11-2.18%$52.45$50.701.11 million shs$4.05 billion08/04/2025$52.13$52.25+0.23%$52.86$51.351.01 million shs$4.14 billion08/01/2025$52.11$52.13+0.04%$52.40$50.671.02 million shs$4.13 billion07/31/2025$50.94$52.11+2.30%$52.70$50.362.30 million shs$4.13 billion07/30/2025$49.29$50.94+3.35%$51.65$49.331.94 million shs$4.04 billion07/29/2025$44.36$49.29+11.12%$50.49$46.492.98 million shs$3.91 billion07/28/2025$44.74$44.36-0.86%$45.37$44.15982,341 shs$3.52 billion Get the Latest News and Ratings for PTCT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for PTC Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 07/25/2025$46.32$44.74-3.41%$45.80$44.421.29 million shs$3.55 billion07/24/2025$47.08$46.32-1.61%$47.61$46.28783,660 shs$3.67 billion07/23/2025$46.39$47.08+1.49%$47.10$45.83729,870 shs$3.73 billion07/22/2025$47.86$46.39-3.07%$48.23$45.911.11 million shs$3.68 billion07/21/2025$47.63$47.86+0.48%$48.69$47.17515,088 shs$3.79 billion07/18/2025$48.53$47.63-1.85%$49.09$47.23628,561 shs$3.78 billion07/17/2025$48.14$48.53+0.81%$49.45$48.26552,502 shs$3.85 billion07/16/2025$47.75$48.14+0.82%$48.66$47.28643,000 shs$3.82 billion07/15/2025$49.46$47.75-3.46%$49.90$47.601.11 million shs$3.78 billion07/14/2025$48.55$49.46+1.87%$50.34$48.601.61 million shs$3.92 billion07/11/2025$49.52$48.55-1.96%$49.42$48.05760,569 shs$3.85 billion07/10/2025$48.74$49.52+1.60%$49.73$48.19913,854 shs$3.92 billion07/09/2025$47.65$48.74+2.29%$49.02$47.521.42 million shs$3.86 billion07/08/2025$47.98$47.65-0.69%$48.51$47.551.21 million shs$3.78 billion Related Companies GMAB Stock Price Chart RDY Stock Price Chart ASND Stock Price Chart QGEN Stock Price Chart MRNA Stock Price Chart VTRS Stock Price Chart BBIO Stock Price Chart VRNA Stock Price Chart BPMC Stock Price Chart ROIV Stock Price Chart Receive PTCT Stock News and Ratings via EmailSign-up to receive the latest news and ratings for PTC Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 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