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White Mountains Insurance Group, Ltd. (WTM)
NYSE: WTM · Real-Time Price · USD
2,078.03
-0.59 (-0.03%)
Dec 31, 2025, 4:00 PM EST - Market closed

WTM Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Dec 31, 20252,081.942,099.422,069.192,078.032,078.03-0.03%14,059
Dec 30, 20252,076.002,143.252,070.002,078.622,078.620.15%14,222
Dec 29, 20252,069.532,081.292,057.932,075.532,075.530.64%11,718
Dec 26, 20252,092.862,110.432,054.892,062.342,062.34-1.23%15,842
Dec 24, 20252,091.002,100.002,070.952,088.052,088.05-0.14%7,675
Dec 23, 20252,082.942,115.002,078.062,090.902,090.900.37%22,397
Dec 22, 20252,026.202,097.132,015.102,083.142,083.142.01%22,950
Dec 19, 20252,038.152,048.022,038.002,042.022,042.020.10%20,304
Dec 18, 20252,062.942,098.802,036.002,040.002,040.00-0.32%16,929
Dec 17, 20252,049.662,053.162,037.602,046.652,046.650.07%21,769
Dec 16, 20252,068.582,092.002,027.832,045.312,045.31-1.11%29,731
Dec 15, 20252,059.622,072.222,051.502,068.172,068.170.66%21,756
Dec 12, 20252,043.852,054.852,035.442,054.512,054.510.47%13,719
Dec 11, 20252,057.592,127.972,032.302,044.872,044.870.19%30,522
Dec 10, 20252,021.462,045.502,014.692,040.942,040.941.10%23,895
Dec 9, 20252,024.212,038.002,010.002,018.752,018.750.26%25,383
Dec 8, 20252,033.002,097.492,013.112,013.522,013.52-1.05%23,327
Dec 5, 20252,026.302,046.182,019.002,034.792,034.79-0.15%27,360
Dec 4, 20252,023.002,050.902,020.052,037.792,037.790.60%17,755
Dec 3, 20252,030.962,039.792,013.292,025.552,025.55-0.09%16,714
Dec 2, 20252,025.202,041.502,022.302,027.412,027.410.12%25,833
Dec 1, 20252,028.222,048.772,018.272,024.892,024.890.03%15,245
Nov 28, 20252,030.442,042.892,023.452,024.252,024.25-0.24%9,320
Nov 26, 20252,005.002,037.352,004.182,029.062,029.061.27%13,500
Nov 25, 20252,000.842,030.402,000.002,003.652,003.650.33%14,533
Nov 24, 20251,992.822,002.351,961.001,996.991,996.99-0.15%24,563
Nov 21, 20251,959.002,013.051,959.002,000.002,000.006.29%26,636
Nov 20, 20251,901.551,913.001,875.501,881.611,881.61-0.41%26,310
Nov 19, 20251,901.301,909.891,870.001,889.301,889.30-0.58%20,702
Nov 18, 20251,900.771,918.001,900.011,900.341,900.340.02%21,047
Nov 17, 20251,931.891,943.461,900.001,900.001,900.00-1.28%13,610
Nov 14, 20251,905.001,934.991,902.001,924.671,924.670.50%20,109
Nov 13, 20251,929.381,941.131,911.421,915.091,915.09-1.00%18,377
Nov 12, 20251,930.551,949.891,915.461,934.471,934.470.49%16,488
Nov 11, 20251,906.901,935.391,902.001,925.011,925.011.22%15,829
Nov 10, 20251,905.801,921.051,899.581,901.761,901.76-0.35%19,348
Nov 7, 20251,895.001,928.751,893.021,908.461,908.460.87%25,051
Nov 6, 20251,901.101,923.741,888.001,892.021,892.02-0.28%30,319
Nov 5, 20251,897.961,925.901,894.241,897.421,897.42-1.21%17,184
Nov 4, 20251,900.201,929.201,891.831,920.601,920.601.09%28,177
Nov 3, 20251,900.751,917.751,863.601,899.871,899.87-0.25%36,682
Oct 31, 20251,902.431,920.001,890.001,904.561,904.56-0.13%27,799
Oct 30, 20251,905.201,930.501,903.251,907.001,907.000.47%19,318
Oct 29, 20251,914.541,914.541,897.231,897.991,897.99-0.17%22,290
Oct 28, 20251,909.001,925.001,898.961,901.301,901.30-1.63%29,455
Oct 27, 20251,917.001,941.891,917.001,932.901,932.900.87%23,578
Oct 24, 20251,950.001,957.681,908.541,916.141,916.14-1.12%26,712
Oct 23, 20251,911.001,946.401,900.261,937.931,937.931.88%30,222
Oct 22, 20251,916.001,927.731,900.821,902.191,902.19-0.97%24,507
Oct 21, 20251,931.621,945.001,920.911,920.911,920.91-0.59%17,071