Arch Capital Group (ACGLN) Stock Chart & Stock Price History $17.64 -0.06 (-0.34%) Closing price 04:00 PM EasternExtended Trading$17.64 0.00 (0.00%) 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 AnalysisChartCompetitorsDividendFinancialsHeadlinesInsider TradesSEC FilingsShort InterestTrendsBuy This Stock Arch Capital Group Stock Price Performance The Arch Capital Group (ACGLN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 14.66%, with a year-to-date return of -1.45%. In the past month, the stock has decreased 2.49%, reflecting recent market activity. As of the latest close, Arch Capital Group traded at $17.70 with a market cap of and volume of 26,159 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-0.73%1 Month Performance-2.49%3 Month Performance+4.63%Year-To-Date Performance-1.45%1 Year Performance-14.66% ACGLN Stock Chart for Friday, October, 17, 2025 ACGLN Chart by TradingView Arch Capital Group 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 Capitalization10/17/2025$17.70$17.64-0.34%$17.76$17.5321,911 shs$0.0010/16/2025$17.75$17.70-0.28%$17.90$17.6626,159 shs$0.0010/15/2025$17.82$17.75-0.39%$17.93$17.7515,836 shs$0.0010/14/2025$17.85$17.82-0.17%$17.85$17.7017,278 shs$0.0010/13/2025$17.77$17.85+0.45%$17.91$17.7817,905 shs$0.0010/10/2025$17.81$17.77-0.22%$17.87$17.6164,493 shs$0.0010/09/2025$17.89$17.81-0.45%$17.95$17.7219,890 shs$0.0010/08/2025$17.92$17.89-0.17%$18.03$17.8821,750 shs$0.0010/07/2025$18.05$17.92-0.72%$18.09$17.9019,807 shs$0.0010/06/2025$18.00$18.05+0.28%$18.09$17.9128,046 shs$0.00 Get the Latest News and Ratings for ACGLN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Arch Capital Group and its competitors with MarketBeat's FREE daily newsletter. 10/03/2025$18.06$18.00-0.33%$18.20$18.0014,115 shs$0.0010/02/2025$18.17$18.06-0.61%$18.23$18.0129,979 shs$0.0010/01/2025$17.95$18.17+1.23%$18.19$17.9332,609 shs$0.0009/30/2025$17.96$17.95-0.06%$17.95$17.6945,338 shs$0.0009/29/2025$18.00$17.96-0.22%$18.05$17.9124,598 shs$0.0009/26/2025$18.00$18.00$18.03$17.9618,541 shs$0.0009/25/2025$18.21$18.00-1.15%$18.22$18.0025,802 shs$0.0009/24/2025$18.13$18.21+0.44%$18.22$18.0525,939 shs$0.0009/23/2025$18.24$18.13-0.60%$18.17$18.0823,721 shs$0.0009/22/2025$18.12$18.24+0.66%$18.25$18.0337,796 shs$0.0009/19/2025$18.17$18.12-0.28%$18.19$18.0511,480 shs$0.0009/18/2025$18.09$18.17+0.44%$18.17$17.9630,111 shs$0.0009/17/2025$17.99$18.09+0.56%$18.15$17.9735,445 shs$0.0009/16/2025$17.96$17.99+0.17%$18.06$17.8226,947 shs$0.00 Related Companies Fifth Third Bancorp Stock Chart Arch Capital Group Stock Chart Brighthouse Financial Stock Chart Brighthouse Financial Stock Chart Brighthouse Financial Stock Chart Brighthouse Financial Stock Chart Cheche Group Stock Chart Flaherty & Crumrine Dynamic Preferred and Income Fund Stock Chart Flaherty & Crumrine Preferred Securities Income Fund Stock Chart Fundamental Global Stock Chart Receive ACGLN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Arch Capital Group and its competitors with MarketBeat's FREE daily newsletter. 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