White Mountains Insurance Group (WTM) Stock Chart & Stock Price History $1,794.69 +47.76 (+2.73%) Closing price 05/2/2025 03:59 PM EasternExtended Trading$1,781.62 -13.07 (-0.73%) As of 05/2/2025 06:14 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 AnalysisChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock White Mountains Insurance Group Stock Price Performance 5 Day Performance+1.81%1 Month Performance-3.20%3 Month Performance-5.80%6 Month Performance-0.59%Year-To-Date Performance-7.73%1 Year Performance-0.44% 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 Saturday, May, 3, 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 Capitalization05/02/2025$1,748.89$1,794.69+2.62%$1,793.85$1,766.0014,392 shs$4.62 billion05/01/2025$1,761.52$1,748.89-0.72%$1,763.14$1,746.938,429 shs$4.50 billion04/30/2025$1,780.80$1,761.52-1.08%$1,767.45$1,742.0015,796 shs$4.53 billion04/29/2025$1,762.72$1,780.80+1.03%$1,782.12$1,734.6218,679 shs$4.58 billion04/28/2025$1,745.04$1,762.72+1.01%$1,758.07$1,737.2411,618 shs$4.54 billion04/25/2025$1,763.74$1,745.04-1.06%$1,751.70$1,741.398,286 shs$4.43 billion04/24/2025$1,747.66$1,763.74+0.92%$1,772.10$1,752.809,312 shs$4.48 billion04/23/2025$1,743.51$1,747.66+0.24%$1,751.82$1,738.8711,568 shs$4.43 billion04/22/2025$1,699.46$1,743.51+2.59%$1,744.60$1,725.1912,946 shs$4.43 billion04/21/2025$1,744.87$1,699.46-2.60%$1,699.70$1,678.8714,576 shs$4.32 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. 04/18/2025$1,744.87$1,744.87$1,751.09$1,733.1913,947 shs$4.43 billion04/17/2025$1,747.67$1,744.87-0.16%$1,751.09$1,733.1913,947 shs$4.43 billion04/16/2025$1,759.36$1,747.67-0.66%$1,754.51$1,729.0214,059 shs$4.44 billion04/15/2025$1,774.94$1,759.36-0.88%$1,759.02$1,759.0211,749 shs$4.47 billion04/14/2025$1,734.59$1,774.94+2.33%$1,774.94$1,760.0013,806 shs$4.51 billion04/11/2025$1,712.35$1,734.59+1.30%$1,737.00$1,682.4124,968 shs$4.41 billion04/10/2025$1,742.22$1,712.35-1.71%$1,744.37$1,689.6422,073 shs$4.35 billion04/09/2025$1,705.08$1,742.22+2.18%$1,750.99$1,694.6626,522 shs$4.43 billion04/09/2025$1,705.08$1,742.22+2.18%$1,750.99$1,694.6626,522 shs$4.43 billion04/08/2025$1,705.54$1,705.08-0.03%$1,753.41$1,685.3818,700 shs$4.33 billion04/08/2025$1,705.54$1,705.08-0.03%$1,753.41$1,685.3818,700 shs$4.33 billion04/07/2025$1,773.02$1,705.54-3.81%$1,784.10$1,701.8932,400 shs$4.33 billion04/04/2025$1,854.06$1,773.02-4.37%$1,864.19$1,769.5631,509 shs$4.51 billion04/03/2025$1,849.58$1,854.06+0.24%$1,866.35$1,824.0042,961 shs$4.71 billion04/02/2025$1,897.91$1,849.58-2.55%$1,890.30$1,848.3721,028 shs$4.70 billion Related Companies Fidelity National Financial Stock Chart Erie Indemnity 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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