NYSE · WTM

White Mountains Insurance Group, Ltd.

Financial Services · Insurance - Property & Casualty

$2,160.31

Up+$6.81 (+0.32%)

Updated Oct 19, 2026, 11:07 PM

SID Score

4.2/10

Composite research score

Smart Money

58/100

Neutral

Price performance · WTM

WTM price history

1M range · 20 trading sessions · Daily adjusted prices

Prices through Oct 16, 2026

Daily close

View OHLC price history

WTM OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Oct 16, 2026	$2,146.23	$2,172.0399	$2,137.925	$2,160.31	22.69K
Oct 15, 2026	$2,124.97	$2,152.25	$2,109.00	$2,143.73	31.48K
Oct 14, 2026	$2,100.30	$2,106.608	$2,069.25	$2,098.01	19.69K
Oct 13, 2026	$2,100.63	$2,101.495	$2,079.035	$2,093.13	16.55K
Oct 12, 2026	$2,069.07	$2,098.45	$2,064.96	$2,086.76	24.57K
Oct 9, 2026	$2,059.07	$2,066.6299	$2,046.41	$2,060.63	20.16K
Oct 8, 2026	$2,036.57	$2,064.04	$2,020.1075	$2,059.77	18.73K
Oct 7, 2026	$2,064.01	$2,064.01	$2,029.36	$2,031.50	20.39K
Oct 6, 2026	$2,015.64	$2,038.78	$2,008.99	$2,037.25	18.76K
Oct 5, 2026	$2,031.81	$2,046.0899	$2,019.44	$2,019.44	20.35K
Oct 2, 2026	$2,012.30	$2,034.895	$2,002.29	$2,020.92	16.33K
Oct 1, 2026	$1,999.98	$2,023.86	$1,999.22	$2,013.04	14.24K
Sep 30, 2026	$2,028.44	$2,028.44	$1,997.125	$2,006.49	15.72K
Sep 29, 2026	$2,010.77	$2,028.01	$2,002.61	$2,021.51	12.82K
Sep 28, 2026	$2,035.50	$2,035.50	$2,000.84	$2,014.97	15.12K
Sep 25, 2026	$2,047.99	$2,049.99	$2,018.27	$2,028.62	9.23K
Sep 24, 2026	$2,056.01	$2,056.01	$2,029.33	$2,029.33	10.97K
Sep 23, 2026	$2,049.76	$2,069.89	$2,028.105	$2,032.01	12.91K
Sep 22, 2026	$2,056.85	$2,067.1775	$2,037.575	$2,053.64	16.12K
Sep 21, 2026	$2,062.78	$2,076.53	$2,049.62	$2,056.85	18.13K