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White Mountains Insurance Group, Ltd. (WTM)
NYSE: WTM · Real-Time Price · USD
2,035.75
+14.83 (0.73%)
Oct 5, 2026, 12:51 PM EDT - Market open

WTM Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 5, 20262,031.812,040.502,023.662,039.41-0.91%1,878
Oct 2, 20262,012.302,034.902,002.292,020.922,020.920.39%16,300
Oct 1, 20261,999.982,023.861,999.222,013.042,013.040.33%14,221
Sep 30, 20262,028.442,028.441,997.132,006.492,006.49-0.74%15,661
Sep 29, 20262,010.772,028.012,002.612,021.512,021.510.32%12,824
Sep 28, 20262,035.502,035.502,000.842,014.972,014.97-0.67%15,110
Sep 25, 20262,047.992,049.992,018.272,028.622,028.62-0.03%9,212
Sep 24, 20262,056.012,056.012,029.332,029.332,029.33-0.13%10,923
Sep 23, 20262,049.762,069.892,028.112,032.012,032.01-1.05%12,906
Sep 22, 20262,056.852,067.182,037.582,053.642,053.64-0.16%16,122
Sep 21, 20262,062.782,076.532,049.622,056.852,056.85-0.22%17,752
Sep 18, 20262,052.912,084.142,029.152,061.302,061.300.14%38,949
Sep 17, 20262,075.002,088.292,039.972,058.322,058.32-0.20%22,745
Sep 16, 20262,041.022,074.412,040.012,062.372,062.370.80%32,823
Sep 15, 20262,057.632,057.632,027.642,045.942,045.94-0.54%19,601
Sep 14, 20262,068.772,070.022,045.032,057.002,057.000.19%17,261
Sep 11, 20262,086.682,098.402,042.592,053.152,053.15-1.10%20,087
Sep 10, 20262,062.202,084.132,043.152,075.992,075.991.23%30,072
Sep 9, 20262,051.632,055.702,037.002,050.812,050.81-0.08%16,400
Sep 8, 20262,083.322,091.422,050.012,052.482,052.48-2.43%27,066
Sep 4, 20262,100.002,117.802,073.352,103.492,103.49-0.41%24,920
Sep 3, 20262,115.002,139.892,081.012,112.232,112.230.36%21,772
Sep 2, 20262,099.032,129.102,088.332,104.752,104.750.28%20,086
Sep 1, 20262,107.852,125.762,093.432,098.962,098.96-0.15%22,104
Aug 31, 20262,130.432,135.002,093.552,102.012,102.01-1.56%21,810
Aug 28, 20262,133.032,150.002,117.492,135.412,135.410.37%18,405
Aug 27, 20262,125.012,145.002,105.612,127.572,127.57-0.24%23,494
Aug 26, 20262,134.742,165.002,126.922,132.742,132.74-0.40%16,135
Aug 25, 20262,135.752,146.042,120.002,141.202,141.200.42%13,651
Aug 24, 20262,100.082,146.502,100.082,132.302,132.301.01%19,596
Aug 21, 20262,101.862,140.302,101.862,110.952,110.95-0.32%28,883
Aug 20, 20262,123.902,131.842,095.012,117.702,117.70-0.54%21,207
Aug 19, 20262,130.792,150.842,107.662,129.202,129.20-0.76%20,037
Aug 18, 20262,125.492,157.702,090.002,145.462,145.461.52%22,558
Aug 17, 20262,130.232,145.482,107.782,113.402,113.40-1.11%17,006
Aug 14, 20262,137.822,145.002,121.092,137.122,137.12-0.20%14,171
Aug 13, 20262,115.012,141.762,096.722,141.422,141.421.04%28,680
Aug 12, 20262,134.012,152.192,094.042,119.462,119.460.35%27,107
Aug 11, 20262,112.162,126.992,093.632,112.012,112.010.11%21,080
Aug 10, 20262,148.612,172.182,107.872,109.682,109.68-1.85%27,210
Aug 7, 20262,132.002,168.312,112.602,149.442,149.440.39%30,112
Aug 6, 20262,137.732,151.202,112.922,141.092,141.091.38%28,913
Aug 5, 20262,136.502,136.502,095.432,111.912,111.91-0.28%19,307
Aug 4, 20262,098.302,127.882,070.002,117.862,117.860.78%23,374
Aug 3, 20262,119.192,136.002,086.772,101.472,101.470.18%19,945
Jul 31, 20262,105.572,129.322,084.992,097.732,097.73-0.99%12,669
Jul 30, 20262,151.302,151.302,087.202,118.612,118.61-1.48%13,781
Jul 29, 20262,186.212,211.002,125.642,150.342,150.34-2.37%21,151
Jul 28, 20262,175.602,218.612,171.302,202.612,202.610.40%17,249
Jul 27, 20262,201.752,231.002,182.582,193.942,193.94-0.64%18,596