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Check out our Dark Pool Levels

WTM
White Mountains Insurance Group Ltd.
stock NYSE

At Close
Sep 21, 2026 3:59:50 PM EDT
2051.18USD-0.491%(-10.12)17,867
1933.25Bid   2173.50Ask   240.25Spread
Pre-market
Sep 21, 2026 9:14:30 AM EDT
2071.20USD+0.480%(+9.90)200
After-hours
Sep 21, 2026 4:42:30 PM EDT
2051.40USD+0.011%(+0.22)363
OverviewPrice & VolumeDividendsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsMore
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Market Cap
4.90B
Headquarters
Hanover, New Hampshire, USA
Industry
Insurance-Property & Casualty
Next Earnings
Nov 5, 2026 (45d)
Last Dividend
Mar 17, 20251.000
Related
YWRBLMKLRLITRVAIG
WTM Stats
Avg. Vol. 10 Day
25,139
Avg. Vol. 30 Day
22,922
Employees
276
Market Cap
4,901,704,387
Shares Out.
2,386,721
On/Off Exchange
61%/39%
6 Month Beta
-0.06
1 Year Beta
0.13
2 Year Beta
0.32
3 Year Beta
0.33
52 Week Low
1,648.00
52 Week High
2,333.00
SMA50
2,127.46
SMA200
2,128.46
1 Week
-0.16%
1 Month
-2.71%
3 Month
+2.14%
6 Month
-4.70%
1 Year
+16.30%
2 Year
+19.13%
5 Year
+93.90%
Profile
white mountains insurance group, ltd., through its subsidiaries, provides insurance services in the united states. the company operates through four segments: hg global/bam, nsm, mediaalpha, kudu, and other operations. the hg global/bam segment provides insurance on municipal bonds issued to finance public purposes, such as schools, utilities, and transportation facilities, as well as reinsurance protection services. the nsm segment operates as a general underwriting agency and program administrator for specialty property and casualty insurance to sectors, such as specialty transportation, social services, and real estate. the mediaalpha segment operates mediaalpha, a marketing technology that enables programmatic buying and selling of vertical specific, performance-based media between advertisers, and publishers through cost-per-click, cost-per-call, and cost-per-lead pricing models. the kudu segment provides capital solutions to asset managers and registered investment advisors for g

WTM Stock Summary

White Mountains Insurance Group Ltd. (NYSE:WTM) stock price today is $2051.18, and today's volume is 17,867. WTM is down -0.491% today. The 30 day average volume is 22,922. WTM market cap is 4.90B with 2,386,721 shares outstanding.



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