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White Mountains Insurance Group, Ltd. (WTM)
NYSE: WTM · Real-Time Price · USD
2,132.30
+21.35 (1.01%)
Aug 24, 2026, 4:00 PM EDT - Market closed

WTM Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
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
Jul 24, 20262,178.362,233.662,158.612,208.052,208.051.43%11,795
Jul 23, 20262,176.752,208.002,146.512,176.852,176.85-0.25%11,350
Jul 22, 20262,192.002,211.042,161.292,182.322,182.32-0.50%16,141
Jul 21, 20262,201.512,222.502,167.982,193.262,193.26-0.81%13,536
Jul 20, 20262,214.502,249.052,209.732,211.222,211.22-0.01%16,079
Jul 17, 20262,198.242,239.952,198.242,211.522,211.520.68%12,572
Jul 16, 20262,126.102,203.642,126.102,196.482,196.482.65%21,179
Jul 15, 20262,162.602,173.752,125.842,139.732,139.73-1.29%15,267
Jul 14, 20262,162.512,187.932,146.352,167.792,167.79-0.33%21,213
Jul 13, 20262,192.702,203.362,157.502,174.962,174.96-0.29%15,968
Jul 10, 20262,197.992,199.152,165.092,181.192,181.19-0.18%18,516
Jul 9, 20262,167.022,189.822,159.732,185.232,185.230.83%25,904
Jul 8, 20262,164.982,179.592,147.502,167.252,167.250.06%18,390
Jul 7, 20262,176.002,198.872,161.902,165.852,165.85-0.02%14,273
Jul 6, 20262,165.262,182.902,145.322,166.272,166.27-0.35%14,649
Jul 2, 20262,090.002,186.812,068.602,173.812,173.815.32%25,519
Jul 1, 20262,077.502,101.102,050.002,064.042,064.04-0.45%17,589
Jun 30, 20262,075.602,098.502,057.342,073.392,073.39-0.84%16,671
Jun 29, 20262,085.792,104.792,064.642,090.942,090.94-0.27%13,245
Jun 26, 20262,023.792,096.562,023.792,096.562,096.563.81%25,750
Jun 25, 20262,021.782,048.662,009.022,019.702,019.70-0.13%14,352
Jun 24, 20262,026.752,044.042,006.152,022.412,022.41-0.06%13,491
Jun 23, 20262,015.362,028.342,001.992,023.632,023.630.64%16,052
Jun 22, 20262,023.032,035.001,999.842,010.752,010.75-0.13%13,169
Jun 18, 20261,997.362,019.891,990.782,013.362,013.360.49%25,426
Jun 17, 20262,021.602,045.501,990.002,003.492,003.49-1.42%21,156
Jun 16, 20262,037.762,051.662,010.002,032.372,032.370.09%20,369
Jun 15, 20262,026.102,059.622,000.352,030.642,030.640.33%31,018
Jun 12, 20261,995.502,030.001,991.302,024.052,024.051.73%17,746