5 DAY PERFORMANCE
-9.39%
1 MONTH PERFORMANCE
-3.05%
3 MONTH PERFORMANCE
+4.73%
6 MONTH PERFORMANCE
+3.28%
YEAR-TO-DATE PERFORMANCE
-5.21%
1 YEAR PERFORMANCE
-4.12%
White Mountains Insurance Group, Ltd. Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 12/10/2025 | $2,021.46 | $2,024.77 (0.16%) | $2,040.00 | $2,014.69 | 3.64 K | |
| 12/09/2025 | $2,024.21 | $2,018.75 (-0.27%) | $2,038.00 | $2,010.00 | 25.38 K | $5.13 B |
| 12/08/2025 | $2,033.00 | $2,013.52 (-0.96%) | $2,097.49 | $2,013.11 | 23.33 K | $5.12 B |
| 12/05/2025 | $2,026.30 | $2,034.79 (0.42%) | $2,046.18 | $2,019.00 | 27.40 K | $5.17 B |
| 12/04/2025 | $2,023.00 | $2,037.79 (0.73%) | $2,050.90 | $2,020.05 | 17.80 K | $5.18 B |
| 12/03/2025 | $2,030.96 | $2,025.55 (-0.27%) | $2,039.79 | $2,013.29 | 16.71 K | $5.15 B |
| 12/02/2025 | $2,025.20 | $2,027.41 (0.11%) | $2,041.50 | $2,022.30 | 25.83 K | $5.15 B |
| 12/01/2025 | $2,028.22 | $2,024.89 (-0.16%) | $2,048.77 | $2,018.27 | 15.25 K | $5.15 B |
| 11/28/2025 | $2,030.44 | $2,024.25 (-0.3%) | $2,042.89 | $2,023.45 | 9.32 K | $5.14 B |
| 11/26/2025 | $2,005.00 | $2,029.06 (1.2%) | $2,037.35 | $2,004.18 | 13.50 K | $5.16 B |
| 11/25/2025 | $2,000.84 | $2,003.65 (0.14%) | $2,030.40 | $2,000.00 | 14.53 K | $5.09 B |
| 11/24/2025 | $1,992.82 | $1,996.99 (0.21%) | $2,002.35 | $1,961.00 | 24.56 K | $5.08 B |
| 11/21/2025 | $1,959.00 | $2,000.00 (2.09%) | $2,013.05 | $1,959.00 | 26.64 K | $5.08 B |
| 11/20/2025 | $1,901.55 | $1,881.61 (-1.05%) | $1,913.00 | $1,875.50 | 26.31 K | $4.78 B |
| 11/19/2025 | $1,901.30 | $1,889.30 (-0.63%) | $1,909.89 | $1,870.00 | 20.70 K | $4.80 B |
| 11/18/2025 | $1,900.77 | $1,900.34 (-0.02%) | $1,918.00 | $1,900.01 | 21.05 K | $4.83 B |
| 11/17/2025 | $1,931.89 | $1,900.00 (-1.65%) | $1,943.46 | $1,900.00 | 13.61 K | $4.83 B |
| 11/14/2025 | $1,905.00 | $1,924.67 (1.03%) | $1,934.99 | $1,902.00 | 20.11 K | $4.89 B |
| 11/13/2025 | $1,929.38 | $1,915.09 (-0.74%) | $1,941.13 | $1,911.42 | 18.40 K | $4.87 B |
| 11/12/2025 | $1,930.55 | $1,934.47 (0.2%) | $1,949.89 | $1,915.46 | 16.50 K | $4.92 B |
| 11/11/2025 | $1,906.90 | $1,925.01 (0.95%) | $1,935.39 | $1,902.00 | 15.83 K | $4.89 B |
| 11/10/2025 | $1,905.80 | $1,901.76 (-0.21%) | $1,921.05 | $1,899.58 | 19.35 K | $4.83 B |
| 11/07/2025 | $1,895.00 | $1,908.46 (0.71%) | $1,928.75 | $1,893.02 | 25.10 K | $4.85 B |
| 11/06/2025 | $1,901.10 | $1,892.02 (-0.48%) | $1,923.74 | $1,888.00 | 30.32 K | $4.81 B |
| 11/05/2025 | $1,897.96 | $1,897.42 (-0.03%) | $1,925.90 | $1,894.24 | 17.20 K | $4.82 B |
| 11/04/2025 | $1,900.20 | $1,920.60 (1.07%) | $1,929.20 | $1,891.83 | 28.20 K | $4.88 B |
| 11/03/2025 | $1,900.75 | $1,899.87 (-0.05%) | $1,917.75 | $1,863.60 | 36.70 K | $4.83 B |
| 10/31/2025 | $1,902.43 | $1,904.56 (0.11%) | $1,920.00 | $1,890.00 | 27.80 K | $4.84 B |
| 10/30/2025 | $1,905.20 | $1,907.00 (0.09%) | $1,930.50 | $1,903.25 | 19.32 K | $4.85 B |
| 10/29/2025 | $1,914.54 | $1,897.99 (-0.86%) | $1,914.54 | $1,897.23 | 22.30 K | $4.82 B |
| 10/28/2025 | $1,909.00 | $1,901.30 (-0.4%) | $1,925.00 | $1,898.96 | 29.50 K | $4.83 B |
| 10/27/2025 | $1,917.00 | $1,932.90 (0.83%) | $1,941.89 | $1,917.00 | 23.60 K | $4.91 B |
| 10/24/2025 | $1,950.00 | $1,916.14 (-1.74%) | $1,957.68 | $1,908.54 | 26.71 K | $4.87 B |
| 10/23/2025 | $1,911.00 | $1,937.93 (1.41%) | $1,946.40 | $1,900.26 | 30.22 K | $4.93 B |
| 10/22/2025 | $1,916.00 | $1,902.19 (-0.72%) | $1,927.73 | $1,900.82 | 24.51 K | $4.83 B |
| 10/21/2025 | $1,931.62 | $1,920.91 (-0.55%) | $1,945.00 | $1,920.91 | 17.10 K | $4.88 B |
| 10/20/2025 | $1,926.00 | $1,932.23 (0.32%) | $1,940.71 | $1,926.00 | 19.13 K | $4.91 B |
| 10/17/2025 | $1,830.13 | $1,913.20 (4.54%) | $1,917.38 | $1,830.13 | 32.74 K | $4.86 B |
| 10/16/2025 | $1,887.11 | $1,847.67 (-2.09%) | $1,893.06 | $1,836.71 | 36.11 K | $4.70 B |
| 10/15/2025 | $1,931.79 | $1,892.01 (-2.06%) | $1,939.50 | $1,890.29 | 36.30 K | $4.81 B |
| 10/14/2025 | $1,913.50 | $1,933.01 (1.02%) | $1,936.54 | $1,907.02 | 23.33 K | $4.91 B |
| 10/13/2025 | $1,893.30 | $1,903.24 (0.53%) | $1,925.51 | $1,893.30 | 38.30 K | $4.84 B |
| 10/10/2025 | $1,932.67 | $1,898.00 (-1.79%) | $1,936.00 | $1,891.26 | 21.24 K | $4.82 B |
| 10/09/2025 | $1,901.00 | $1,920.68 (1.04%) | $1,926.74 | $1,899.76 | 23.12 K | $4.88 B |
| 10/08/2025 | $1,900.00 | $1,896.20 (-0.2%) | $1,905.00 | $1,892.00 | 38.25 K | $4.82 B |
| 10/07/2025 | $1,864.00 | $1,905.23 (2.21%) | $1,908.65 | $1,815.44 | 39.80 K | $4.84 B |
| 10/06/2025 | $1,828.04 | $1,864.48 (1.99%) | $1,868.48 | $1,827.00 | 51.50 K | $4.74 B |
| 10/03/2025 | $1,784.78 | $1,841.34 (3.17%) | $1,866.22 | $1,784.78 | 88.80 K | $4.68 B |
| 10/02/2025 | $1,651.14 | $1,664.56 (0.81%) | $1,678.88 | $1,650.00 | 28.86 K | $4.23 B |
| 10/01/2025 | $1,670.00 | $1,650.50 (-1.17%) | $1,670.00 | $1,648.00 | 27.62 K | $4.19 B |
| 09/30/2025 | $1,663.71 | $1,671.52 (0.47%) | $1,678.88 | $1,663.71 | 33.80 K | $4.25 B |
| 09/29/2025 | $1,718.30 | $1,677.70 (-2.36%) | $1,718.30 | $1,659.17 | 50.40 K | $4.26 B |
| 09/26/2025 | $1,694.95 | $1,715.94 (1.24%) | $1,736.00 | $1,694.95 | 32.31 K | $4.36 B |
| 09/25/2025 | $1,755.00 | $1,689.22 (-3.75%) | $1,755.00 | $1,687.47 | 31.20 K | $4.29 B |
| 09/24/2025 | $1,759.00 | $1,756.99 (-0.11%) | $1,783.50 | $1,755.70 | 27.50 K | $4.47 B |
| 09/23/2025 | $1,764.11 | $1,765.52 (0.08%) | $1,781.09 | $1,762.60 | 38.31 K | $4.49 B |
| 09/22/2025 | $1,760.00 | $1,765.90 (0.34%) | $1,768.00 | $1,749.67 | 35.50 K | $4.49 B |
| 09/19/2025 | $1,751.35 | $1,769.87 (1.06%) | $1,776.22 | $1,735.00 | 45.92 K | $4.50 B |
| 09/18/2025 | $1,721.00 | $1,753.62 (1.9%) | $1,760.71 | $1,715.00 | 32.92 K | $4.46 B |
| 09/17/2025 | $1,724.00 | $1,722.98 (-0.06%) | $1,728.48 | $1,711.39 | 29.40 K | $4.38 B |
| 09/16/2025 | $1,712.78 | $1,715.50 (0.16%) | $1,719.40 | $1,700.00 | 29.40 K | $4.36 B |
| 09/15/2025 | $1,760.00 | $1,715.40 (-2.53%) | $1,772.00 | $1,711.28 | 40.40 K | $4.36 B |
| 09/12/2025 | $1,765.00 | $1,762.81 (-0.12%) | $1,785.77 | $1,762.81 | 26.60 K | $4.48 B |
| 09/11/2025 | $1,752.00 | $1,774.51 (1.28%) | $1,774.51 | $1,752.00 | 33.60 K | $4.51 B |
| 09/10/2025 | $1,779.68 | $1,760.48 (-1.08%) | $1,790.00 | $1,752.88 | 37.40 K | $4.47 B |
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