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White Mountains Insurance Group, Ltd. logo

NYSE · WTM

White Mountains Insurance Group, Ltd.

Financial Services · Insurance - Property & Casualty

$2,045.94

Up+$16.43 (+0.80%)

Updated Sep 16, 2026, 10:33 PM

SID Score

3.5/10

Composite research score

Smart Money

58/100

Neutral

Market cap
5.2B
P/E ratio
209.63
Dividend yield
0.05%
52-week range
$1,987.00 – $2,333.00
Volume
19.78K
Avg. volume
27.97K

Price performance

WTM price history

1M range · 20 trading sessions · Daily adjusted prices

WTM closed at $2,045.94 after 20 trading sessions, down 4.64% for the selected period.

Last close
$2,045.94
Period change
-4.64%
Period low
$2,045.94
Period high
$2,145.46
Daily close
View OHLC price history
WTM OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Sep 15, 2026$2,057.63$2,057.63$2,027.64$2,045.9419.78K
Sep 14, 2026$2,068.77$2,070.02$2,045.025$2,057.0017.26K
Sep 11, 2026$2,086.68$2,098.395$2,042.585$2,053.1520.09K
Sep 10, 2026$2,062.20$2,084.125$2,043.1446$2,075.9930.07K
Sep 9, 2026$2,051.63$2,055.70$2,037.00$2,050.8116.4K
Sep 8, 2026$2,083.32$2,091.42$2,050.01$2,052.4827.07K
Sep 4, 2026$2,100.00$2,117.80$2,073.35$2,103.4924.92K
Sep 3, 2026$2,115.00$2,139.8899$2,081.01$2,112.2321.77K
Sep 2, 2026$2,099.03$2,129.10$2,088.33$2,104.7520.09K
Sep 1, 2026$2,107.85$2,125.76$2,093.43$2,098.9622.11K
Aug 31, 2026$2,130.43$2,135.00$2,093.545$2,102.0121.81K
Aug 28, 2026$2,133.03$2,150.00$2,117.49$2,135.4118.41K
Aug 27, 2026$2,125.01$2,145.00$2,105.61$2,127.5723.5K
Aug 26, 2026$2,134.74$2,164.9999$2,126.915$2,132.7416.14K
Aug 25, 2026$2,135.75$2,146.038$2,120.00$2,141.2013.65K
Aug 24, 2026$2,100.08$2,146.4982$2,100.08$2,132.3019.6K
Aug 21, 2026$2,101.86$2,140.295$2,101.86$2,110.9528.89K
Aug 20, 2026$2,123.90$2,131.84$2,095.01$2,117.7021.89K
Aug 19, 2026$2,130.79$2,150.84$2,107.66$2,129.2020.04K
Aug 18, 2026$2,125.49$2,157.695$2,090.0001$2,145.4622.59K

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