Arcellx (ACLX) Stock Chart & Stock Price History $84.07 +0.71 (+0.85%) Closing price 04:00 PM EasternExtended Trading$84.02 -0.05 (-0.06%) As of 04:10 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 InterestTrendsBuy This Stock Arcellx Stock Price Performance The Arcellx (ACLX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 4.67%, with a year-to-date return of 9.62%. In the past month, the stock has increased 6.22%, reflecting recent market activity. As of the latest close, Arcellx traded at $83.36 with a market cap of $4.62 billion and volume of 483,026 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-3.36%1 Month Performance+6.22%3 Month Performance+20.15%Year-To-Date Performance+9.62%1 Year Performance-4.67% ACLX Stock Chart for Thursday, October, 23, 2025 ACLX Chart by TradingView Arcellx 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 Capitalization10/23/2025$83.36$84.07+0.85%$85.66$82.74429,419 shs$4.66 billion10/22/2025$85.62$83.36-2.64%$86.09$82.63483,026 shs$4.62 billion10/21/2025$86.77$85.62-1.33%$87.33$85.02343,958 shs$4.75 billion10/20/2025$86.99$86.77-0.25%$90.06$85.53239,669 shs$4.81 billion10/17/2025$88.85$86.99-2.09%$90.28$86.00500,598 shs$4.82 billion10/16/2025$92.37$88.85-3.81%$94.07$88.07771,576 shs$4.93 billion10/15/2025$87.33$92.37+5.77%$92.49$86.95549,149 shs$5.12 billion10/14/2025$86.23$87.33+1.28%$88.45$84.60508,574 shs$4.84 billion10/13/2025$86.80$86.23-0.66%$88.39$85.88596,340 shs$4.78 billion10/10/2025$88.39$86.80-1.80%$90.41$86.121.30 million shs$4.81 billion Get the Latest News and Ratings for ACLX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Arcellx and its competitors with MarketBeat's FREE daily newsletter. 10/09/2025$88.29$88.39+0.11%$89.30$85.97520,294 shs$4.90 billion10/08/2025$85.21$88.29+3.61%$89.41$84.68528,280 shs$4.90 billion10/07/2025$84.38$85.21+0.98%$86.24$83.33552,247 shs$4.73 billion10/06/2025$85.07$84.38-0.81%$89.31$83.98817,645 shs$4.68 billion10/03/2025$82.24$85.07+3.44%$86.21$82.20924,551 shs$4.72 billion10/02/2025$82.03$82.24+0.26%$82.68$81.45405,110 shs$4.56 billion10/01/2025$82.10$82.03-0.09%$83.45$80.73477,130 shs$4.55 billion09/30/2025$79.11$82.10+3.78%$83.09$79.18641,792 shs$4.55 billion09/29/2025$79.75$79.11-0.80%$80.15$78.17340,920 shs$4.39 billion09/26/2025$78.40$79.75+1.72%$80.48$77.54475,128 shs$4.42 billion09/25/2025$78.75$78.40-0.44%$78.85$76.63358,343 shs$4.35 billion09/24/2025$79.15$78.75-0.51%$79.99$77.65351,931 shs$4.37 billion09/23/2025$78.22$79.15+1.19%$79.53$77.31315,073 shs$4.39 billion09/22/2025$77.86$78.22+0.46%$78.71$76.53275,642 shs$4.34 billion Related Companies SMMT Stock Chart ASND Stock Chart RDY Stock Chart VTRS Stock Chart ROIV Stock Chart QGEN Stock Chart ELAN Stock Chart BBIO Stock Chart MRNA Stock Chart RVMD Stock Chart Receive ACLX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Arcellx and its competitors with MarketBeat's FREE daily newsletter. 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