White Mountains Insurance Group, Ltd. (WTM)
NYSE: WTM · Real-Time Price · USD
1,897.99
-3.31 (-0.17%)
At close: Oct 29, 2025, 4:00 PM EDT
1,897.23
-0.76 (-0.04%)
After-hours: Oct 29, 2025, 7:00 PM EDT

WTM Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 29, 20251,914.541,914.541,897.231,897.991,897.99-0.17%22,277
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
Oct 20, 20251,926.001,940.711,926.001,932.231,932.230.99%19,132
Oct 17, 20251,830.131,917.381,830.131,913.201,913.203.55%32,740
Oct 16, 20251,887.111,893.061,836.711,847.671,847.67-2.34%36,108
Oct 15, 20251,931.791,939.501,890.291,892.011,892.01-2.12%36,283
Oct 14, 20251,913.501,936.541,907.021,933.011,933.011.56%23,331
Oct 13, 20251,893.301,925.511,893.301,903.241,903.240.28%38,260
Oct 10, 20251,932.671,936.001,891.261,898.001,898.00-1.18%21,242
Oct 9, 20251,901.001,926.741,899.761,920.681,920.681.29%23,118
Oct 8, 20251,900.001,905.001,892.001,896.201,896.20-0.47%38,248
Oct 7, 20251,864.001,908.651,815.441,905.231,905.232.19%39,783
Oct 6, 20251,828.041,868.481,827.001,864.481,864.481.26%51,488
Oct 3, 20251,784.781,866.221,784.781,841.341,841.3410.62%88,802
Oct 2, 20251,651.141,678.881,650.001,664.561,664.560.85%28,856
Oct 1, 20251,670.001,670.001,648.001,650.501,650.50-1.26%27,615
Sep 30, 20251,663.711,678.881,663.711,671.521,671.52-0.37%33,761
Sep 29, 20251,718.301,718.301,659.171,677.701,677.70-2.23%50,398
Sep 26, 20251,694.951,736.001,694.951,715.941,715.941.58%32,314
Sep 25, 20251,755.001,755.001,687.471,689.221,689.22-3.86%31,167
Sep 24, 20251,759.001,783.501,755.701,756.991,756.99-0.48%27,496
Sep 23, 20251,764.111,781.091,762.601,765.521,765.52-0.02%38,309
Sep 22, 20251,760.001,768.001,749.671,765.901,765.90-0.22%35,467
Sep 19, 20251,751.351,776.221,735.001,769.871,769.870.93%45,923
Sep 18, 20251,721.001,760.711,715.001,753.621,753.621.78%32,919
Sep 17, 20251,724.001,728.481,711.391,722.981,722.980.44%29,403
Sep 16, 20251,712.781,719.401,700.001,715.501,715.500.01%29,377
Sep 15, 20251,760.001,772.001,711.281,715.401,715.40-2.69%40,379
Sep 12, 20251,765.001,785.771,762.811,762.811,762.81-0.66%26,557
Sep 11, 20251,752.001,774.511,752.001,774.511,774.510.80%33,590
Sep 10, 20251,779.681,790.001,752.881,760.481,760.48-1.91%37,377
Sep 9, 20251,767.161,800.061,762.711,794.691,794.691.56%82,797
Sep 8, 20251,785.001,800.001,748.411,767.161,767.16-1.61%30,853
Sep 5, 20251,797.671,816.001,792.001,796.031,796.03-0.25%20,905
Sep 4, 20251,772.521,800.511,767.151,800.511,800.511.58%26,917
Sep 3, 20251,795.001,819.691,763.921,772.521,772.52-3.49%32,332
Sep 2, 20251,815.001,842.081,804.001,836.591,836.590.35%23,837
Aug 29, 20251,837.001,839.311,830.181,830.181,830.180.26%20,507
Aug 28, 20251,825.001,850.001,822.001,825.391,825.39-1.09%25,034
Aug 27, 20251,838.141,850.821,824.301,845.421,845.420.53%37,180
Aug 26, 20251,810.001,836.211,810.001,835.691,835.690.42%27,026
Aug 25, 20251,830.001,840.001,809.901,828.051,828.05-1.89%24,360
Aug 22, 20251,856.001,868.361,848.371,863.221,863.221.18%24,089
Aug 21, 20251,832.311,847.391,831.001,841.411,841.410.25%20,379
Aug 20, 20251,809.001,841.211,809.001,836.891,836.891.31%26,023