Syndax Pharmaceuticals (SNDX) Stock Chart & Stock Price History $16.13 +0.01 (+0.06%) Closing price 09/3/2025 04:00 PM EasternExtended Trading$16.06 -0.07 (-0.46%) As of 09/3/2025 07:34 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 Syndax Pharmaceuticals Stock Price Performance The Syndax Pharmaceuticals (SNDX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 17.91%, with a year-to-date return of 22.01%. In the past month, the stock has increased 55.39%, reflecting recent market activity. As of the latest close, Syndax Pharmaceuticals traded at $16.13 with a market cap of $1.39 billion and volume of 2.00 million shares. Five years ago, the stock traded at $14.98, representing a 7.68% increase over that period. At the time, it had a market cap of $611.78 million and a volume of 125,088 shares. Receive SNDX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Syndax 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-1.22%1 Month Performance+55.39%3 Month Performance+47.17%Year-To-Date Performance+22.01%1 Year Performance-17.91%5 Year Performance+7.68% SNDX Stock Chart for Thursday, September, 4, 2025 SNDX Chart by TradingView Syndax 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 Capitalization09/03/2025$16.12$16.13+0.06%$16.62$15.812.00 million shs$1.39 billion09/02/2025$16.33$16.12-1.29%$16.89$15.941.80 million shs$1.39 billion09/01/2025$16.33$16.33$16.56$15.881.61 million shs$1.41 billion08/29/2025$16.32$16.33+0.06%$16.56$15.881.61 million shs$1.41 billion08/28/2025$16.26$16.32+0.37%$17.24$16.252.24 million shs$1.41 billion08/27/2025$15.85$16.26+2.59%$16.30$15.514.04 million shs$1.40 billion08/26/2025$15.66$15.85+1.21%$15.90$15.293.58 million shs$1.37 billion08/25/2025$16.24$15.66-3.57%$16.43$15.541.44 million shs$1.35 billion08/22/2025$15.84$16.24+2.53%$16.38$15.811.47 million shs$1.40 billion08/21/2025$15.74$15.84+0.64%$16.04$15.431.23 million shs$1.36 billion Get the Latest News and Ratings for SNDX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Syndax Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 08/20/2025$15.40$15.74+2.21%$15.89$15.372.17 million shs$1.36 billion08/19/2025$15.87$15.40-2.96%$16.33$15.361.97 million shs$1.33 billion08/18/2025$15.74$15.87+0.83%$16.03$15.571.86 million shs$1.37 billion08/15/2025$14.73$15.74+6.86%$15.98$14.805.09 million shs$1.36 billion08/14/2025$13.45$14.73+9.52%$14.81$13.263.02 million shs$1.27 billion08/13/2025$12.97$13.45+3.70%$13.60$13.022.34 million shs$1.16 billion08/12/2025$12.51$12.97+3.68%$13.29$12.622.33 million shs$1.12 billion08/11/2025$12.48$12.51+0.24%$12.65$12.102.98 million shs$1.08 billion08/08/2025$12.72$12.48-1.89%$12.95$12.232.85 million shs$1.08 billion08/07/2025$12.89$12.72-1.32%$13.12$12.592.14 million shs$1.10 billion08/06/2025$12.57$12.89+2.55%$13.25$12.315.88 million shs$1.11 billion08/05/2025$10.38$12.57+21.10%$12.99$11.919.12 million shs$1.08 billion08/04/2025$9.98$10.38+4.01%$10.47$9.683.20 million shs$893.20 million Related Companies NUVL Stock Price Chart MRUS Stock Price Chart CRSP Stock Price Chart CYTK Stock Price Chart TGTX Stock Price Chart ACAD Stock Price Chart KRYS Stock Price Chart ADMA Stock Price Chart PCVX Stock Price Chart PTCT Stock Price Chart Receive SNDX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Syndax Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 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