Arch Capital Group (ACGLN) Stock Chart & Stock Price History $18.00 -0.20 (-1.07%) As of 04:00 PM Eastern This is a fair market value 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 11.31%, with a year-to-date return of 0.34%. In the past month, the stock has increased 2.80%, reflecting recent market activity. As of the latest close, Arch Capital Group traded at $18.20 with a market cap of and volume of 26,617 shares. 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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Read our full terms of service and privacy policy. 5 Day Performance-1.05%1 Month Performance+2.80%3 Month Performance+7.22%Year-To-Date Performance+0.34%1 Year Performance-11.31% ACGLN Stock Chart for Monday, September, 15, 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 Capitalization09/15/2025$18.20$17.96-1.32%$18.09$17.9229,629 shs$0.0009/12/2025$18.26$18.20-0.33%$18.31$18.1726,617 shs$0.0009/11/2025$18.15$18.26+0.61%$18.34$18.1523,346 shs$0.0009/10/2025$18.15$18.15$18.26$18.1526,665 shs$0.0009/09/2025$18.23$18.15-0.44%$18.26$18.1017,409 shs$0.0009/08/2025$18.08$18.23+0.83%$18.31$18.1025,507 shs$0.0009/05/2025$17.89$18.08+1.06%$18.09$17.9718,492 shs$0.0009/04/2025$17.79$17.89+0.56%$17.91$17.7513,448 shs$0.0009/03/2025$17.71$17.79+0.45%$17.85$17.7535,245 shs$0.0009/02/2025$17.62$17.71+0.51%$17.88$17.6026,463 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. 09/01/2025$17.62$17.62$17.94$17.6282,537 shs$0.0008/29/2025$17.84$17.62-1.23%$17.94$17.6282,537 shs$0.0008/28/2025$17.85$17.84-0.06%$17.90$17.7855,155 shs$0.0008/27/2025$17.83$17.85+0.11%$17.87$17.6837,898 shs$0.0008/26/2025$17.74$17.83+0.51%$17.83$17.5853,522 shs$0.0008/25/2025$17.67$17.74+0.40%$17.79$17.6130,494 shs$0.0008/22/2025$17.54$17.67+0.74%$17.80$17.6044,740 shs$0.0008/21/2025$17.71$17.54-0.96%$17.71$17.5277,703 shs$0.0008/20/2025$17.60$17.71+0.62%$17.73$17.5956,841 shs$0.0008/19/2025$17.50$17.60+0.57%$17.62$17.4944,270 shs$0.0008/18/2025$17.47$17.50+0.17%$17.53$17.42158,062 shs$0.0008/15/2025$17.43$17.47+0.23%$17.48$17.4049,320 shs$0.0008/14/2025$17.54$17.43-0.63%$17.63$17.3554,837 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 Conifer Stock Chart Flaherty & Crumrine Dynamic Preferred and Income Fund Stock Chart Flaherty & Crumrine Preferred Securities Income Fund 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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