White Mountains Insurance Group (WTM) Stock Chart & Stock Price History $1,830.41 -19.09 (-1.03%) As of 09:46 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestSustainabilityTrends White Mountains Insurance Group Stock Price Performance 5 Day Performance-0.72%1 Month Performance-3.81%3 Month Performance-7.99%6 Month Performance-0.07%Year-To-Date Performance-5.89%1 Year Performance+3.07% Receive WTM Stock News and Ratings via EmailSign-up to receive the latest news and ratings for White Mountains Insurance Group and its competitors with MarketBeat's FREE daily newsletter. Email Address WTM Stock Chart for Tuesday, March, 4, 2025 WTM Chart by TradingView White Mountains Insurance Group Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization03/03/2025$1,846.93$1,868.90+1.19%$1,884.14$1,865.2513,019 shs$4.80 billion02/28/2025$1,843.62$1,846.93+0.18%$1,849.50$1,841.6311,887 shs$4.74 billion02/27/2025$1,823.88$1,843.62+1.08%$1,849.21$1,839.649,995 shs$4.73 billion02/26/2025$1,823.82$1,823.88+0.00%$1,832.19$1,820.3717,408 shs$4.68 billion02/25/2025$1,823.95$1,823.82-0.01%$1,841.62$1,826.898,734 shs$4.68 billion02/24/2025$1,828.59$1,823.95-0.25%$1,835.07$1,818.589,091 shs$4.68 billion02/21/2025$1,858.54$1,828.59-1.61%$1,846.40$1,826.209,348 shs$4.70 billion02/20/2025$1,892.96$1,858.54-1.82%$1,861.00$1,818.1410,895 shs$4.78 billion02/19/2025$1,867.64$1,892.96+1.36%$1,895.38$1,877.3715,346 shs$4.86 billion02/18/2025$1,835.97$1,867.64+1.73%$1,874.38$1,844.3419,717 shs$4.80 billion Get the Latest News and Ratings for WTM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for White Mountains Insurance Group and its competitors with MarketBeat's FREE daily newsletter. 02/17/2025$1,835.97$1,835.97$1,846.57$1,821.319,382 shs$4.72 billion02/14/2025$1,835.77$1,835.97+0.01%$1,846.57$1,821.319,382 shs$4.72 billion02/13/2025$1,836.49$1,835.77-0.04%$1,847.49$1,834.1810,553 shs$4.72 billion02/12/2025$1,879.08$1,836.49-2.27%$1,850.00$1,826.4518,840 shs$4.72 billion02/11/2025$1,909.02$1,879.08-1.57%$1,902.03$1,878.1615,302 shs$4.83 billion02/10/2025$1,989.57$1,909.02-4.05%$1,941.04$1,909.5915,389 shs$4.90 billion02/07/2025$1,966.81$1,989.57+1.16%$1,993.86$1,957.0211,678 shs$5.11 billion02/06/2025$1,914.22$1,966.81+2.75%$1,976.22$1,946.008,396 shs$5.05 billion02/05/2025$1,902.87$1,914.22+0.60%$1,920.86$1,904.9714,286 shs$4.92 billion02/04/2025$1,905.10$1,902.87-0.12%$1,915.36$1,897.999,083 shs$4.89 billion02/03/2025$1,927.41$1,905.10-1.16%$1,914.98$1,891.3512,538 shs$4.90 billion Related Companies Erie Indemnity Stock Chart Fidelity National Financial Stock Chart CNA Financial Stock Chart Old Republic International Stock Chart AXIS Capital Stock Chart RLI Stock Chart First American Financial Stock Chart The Hanover Insurance Group Stock Chart Selective Insurance Group Stock Chart Assured Guaranty Stock Chart Receive WTM Stock News and Ratings via EmailSign-up to receive the latest news and ratings for White Mountains Insurance Group and its competitors with MarketBeat's FREE daily newsletter. 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