5 DAY PERFORMANCE
+3.93%
1 MONTH PERFORMANCE
+1.54%
3 MONTH PERFORMANCE
+6.46%
6 MONTH PERFORMANCE
-0.53%
YEAR-TO-DATE PERFORMANCE
+3.15%
1 YEAR PERFORMANCE
+21.11%
White Mountains Insurance Group, Ltd. Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 09/21/2026 | $2,062.78 | $2,059.86 (-0.14%) | $2,073.02 | $2,059.03 | 10.79 K | $4.97 B |
| 09/18/2026 | $2,052.91 | $2,061.30 (0.41%) | $2,084.14 | $2,029.15 | 39.11 K | $4.96 B |
| 09/17/2026 | $2,075.00 | $2,058.32 (-0.8%) | $2,088.29 | $2,039.97 | 23.70 K | $4.96 B |
| 09/16/2026 | $2,041.02 | $2,062.37 (1.05%) | $2,074.41 | $2,040.01 | 33.03 K | $4.97 B |
| 09/15/2026 | $2,057.63 | $2,045.94 (-0.57%) | $2,057.63 | $2,027.64 | 19.78 K | $4.93 B |
| 09/14/2026 | $2,068.77 | $2,057.00 (-0.57%) | $2,070.02 | $2,045.03 | 17.30 K | $4.95 B |
| 09/11/2026 | $2,086.68 | $2,053.15 (-1.61%) | $2,098.40 | $2,042.59 | 20.10 K | $4.94 B |
| 09/10/2026 | $2,062.20 | $2,075.99 (0.67%) | $2,084.13 | $2,043.14 | 30.10 K | $5.00 B |
| 09/09/2026 | $2,051.63 | $2,050.81 (-0.04%) | $2,055.70 | $2,037.00 | 16.40 K | $4.94 B |
| 09/08/2026 | $2,083.32 | $2,052.48 (-1.48%) | $2,091.42 | $2,050.01 | 27.10 K | $4.94 B |
| 09/04/2026 | $2,100.00 | $2,103.49 (0.17%) | $2,117.80 | $2,073.35 | 24.92 K | $5.06 B |
| 09/03/2026 | $2,115.00 | $2,112.23 (-0.13%) | $2,139.89 | $2,081.01 | 21.80 K | $5.09 B |
| 09/02/2026 | $2,099.03 | $2,104.75 (0.27%) | $2,129.10 | $2,088.33 | 20.10 K | $5.07 B |
| 09/01/2026 | $2,107.85 | $2,098.96 (-0.42%) | $2,125.76 | $2,093.43 | 22.11 K | $5.05 B |
| 08/31/2026 | $2,130.43 | $2,102.01 (-1.33%) | $2,135.00 | $2,093.55 | 21.81 K | $5.06 B |
| 08/28/2026 | $2,133.03 | $2,135.41 (0.11%) | $2,150.00 | $2,117.49 | 18.41 K | $5.14 B |
| 08/27/2026 | $2,125.01 | $2,127.57 (0.12%) | $2,145.00 | $2,105.61 | 23.50 K | $5.12 B |
| 08/26/2026 | $2,134.74 | $2,132.74 (-0.09%) | $2,165.00 | $2,126.92 | 16.14 K | $5.13 B |
| 08/25/2026 | $2,135.75 | $2,141.20 (0.26%) | $2,146.04 | $2,120.00 | 13.70 K | $5.16 B |
| 08/24/2026 | $2,100.08 | $2,132.30 (1.53%) | $2,146.50 | $2,100.08 | 19.60 K | $5.13 B |
| 08/21/2026 | $2,101.86 | $2,110.95 (0.43%) | $2,140.30 | $2,101.86 | 28.90 K | $5.08 B |
| 08/20/2026 | $2,123.90 | $2,117.70 (-0.29%) | $2,131.84 | $2,095.01 | 21.90 K | $5.10 B |
| 08/19/2026 | $2,130.79 | $2,129.20 (-0.07%) | $2,150.84 | $2,107.66 | 20.04 K | $5.13 B |
| 08/18/2026 | $2,125.49 | $2,145.46 (0.94%) | $2,157.70 | $2,090.00 | 22.60 K | $5.17 B |
| 08/17/2026 | $2,130.23 | $2,113.40 (-0.79%) | $2,145.48 | $2,107.78 | 17.25 K | $5.09 B |
| 08/14/2026 | $2,137.82 | $2,137.12 (-0.03%) | $2,145.00 | $2,121.09 | 14.31 K | $5.15 B |
| 08/13/2026 | $2,115.01 | $2,141.42 (1.25%) | $2,141.76 | $2,096.72 | 28.70 K | $5.16 B |
| 08/12/2026 | $2,134.01 | $2,119.46 (-0.68%) | $2,152.19 | $2,094.04 | 27.11 K | $5.10 B |
| 08/11/2026 | $2,112.16 | $2,112.01 (-0.01%) | $2,126.99 | $2,093.63 | 21.10 K | $5.08 B |
| 08/10/2026 | $2,148.61 | $2,109.68 (-1.81%) | $2,172.18 | $2,107.87 | 27.21 K | $5.08 B |
| 08/07/2026 | $2,132.00 | $2,149.44 (0.82%) | $2,168.31 | $2,112.60 | 30.20 K | $5.17 B |
| 08/06/2026 | $2,137.73 | $2,141.09 (0.16%) | $2,151.20 | $2,112.92 | 28.93 K | $5.15 B |
| 08/05/2026 | $2,136.50 | $2,111.91 (-1.15%) | $2,136.50 | $2,095.43 | 19.31 K | $5.08 B |
| 08/04/2026 | $2,098.30 | $2,117.86 (0.93%) | $2,127.88 | $2,070.00 | 23.71 K | $5.10 B |
| 08/03/2026 | $2,119.19 | $2,101.47 (-0.84%) | $2,136.00 | $2,086.77 | 19.95 K | $5.06 B |
| 07/31/2026 | $2,105.57 | $2,097.73 (-0.37%) | $2,129.32 | $2,084.99 | 12.70 K | $5.36 B |
| 07/30/2026 | $2,151.30 | $2,118.61 (-1.52%) | $2,151.30 | $2,087.20 | 19.10 K | $5.41 B |
| 07/29/2026 | $2,186.21 | $2,150.34 (-1.64%) | $2,211.00 | $2,125.64 | 21.20 K | $5.49 B |
| 07/28/2026 | $2,175.60 | $2,202.61 (1.24%) | $2,218.61 | $2,171.30 | 17.25 K | $5.63 B |
| 07/27/2026 | $2,201.75 | $2,193.94 (-0.35%) | $2,231.00 | $2,182.58 | 18.60 K | $5.60 B |
| 07/24/2026 | $2,178.36 | $2,208.05 (1.36%) | $2,233.66 | $2,158.61 | 11.80 K | $5.64 B |
| 07/23/2026 | $2,176.75 | $2,176.85 (0%) | $2,208.00 | $2,146.51 | 12.50 K | $5.56 B |
| 07/22/2026 | $2,192.00 | $2,182.32 (-0.44%) | $2,211.04 | $2,161.29 | 16.14 K | $5.57 B |
| 07/21/2026 | $2,201.51 | $2,193.26 (-0.37%) | $2,222.50 | $2,167.98 | 13.54 K | $5.60 B |
| 07/20/2026 | $2,214.50 | $2,211.22 (-0.15%) | $2,249.05 | $2,209.73 | 16.10 K | $5.65 B |
| 07/17/2026 | $2,198.24 | $2,211.52 (0.6%) | $2,239.95 | $2,198.24 | 12.60 K | $5.65 B |
| 07/16/2026 | $2,126.10 | $2,196.48 (3.31%) | $2,203.64 | $2,126.10 | 21.22 K | $5.61 B |
| 07/15/2026 | $2,162.60 | $2,139.73 (-1.06%) | $2,173.75 | $2,125.84 | 15.30 K | $5.47 B |
| 07/14/2026 | $2,162.51 | $2,167.79 (0.24%) | $2,187.93 | $2,146.35 | 21.21 K | $5.54 B |
| 07/13/2026 | $2,192.70 | $2,174.96 (-0.81%) | $2,203.36 | $2,157.50 | 16.00 K | $5.56 B |
| 07/10/2026 | $2,197.99 | $2,181.19 (-0.76%) | $2,199.15 | $2,165.09 | 18.52 K | $5.57 B |
| 07/09/2026 | $2,167.02 | $2,185.23 (0.84%) | $2,189.82 | $2,159.73 | 25.90 K | $5.58 B |
| 07/08/2026 | $2,164.98 | $2,167.25 (0.1%) | $2,179.59 | $2,147.50 | 18.40 K | $5.54 B |
| 07/07/2026 | $2,176.00 | $2,165.85 (-0.47%) | $2,198.87 | $2,161.90 | 14.30 K | $5.53 B |
| 07/06/2026 | $2,165.26 | $2,166.27 (0.05%) | $2,182.90 | $2,145.32 | 14.65 K | $5.53 B |
| 07/02/2026 | $2,090.00 | $2,173.81 (4.01%) | $2,186.81 | $2,068.59 | 25.52 K | $5.55 B |
| 07/01/2026 | $2,077.50 | $2,064.04 (-0.65%) | $2,101.10 | $2,050.00 | 17.60 K | $5.27 B |
| 06/30/2026 | $2,075.60 | $2,073.39 (-0.11%) | $2,098.50 | $2,057.34 | 16.70 K | $5.30 B |
| 06/29/2026 | $2,085.79 | $2,090.94 (0.25%) | $2,104.79 | $2,064.64 | 13.25 K | $5.34 B |
| 06/26/2026 | $2,023.79 | $2,096.56 (3.6%) | $2,096.56 | $2,023.79 | 26.30 K | $5.35 B |
| 06/25/2026 | $2,021.78 | $2,019.70 (-0.1%) | $2,048.66 | $2,009.02 | 14.40 K | $5.16 B |
| 06/24/2026 | $2,026.75 | $2,022.41 (-0.21%) | $2,044.04 | $2,006.15 | 13.82 K | $5.17 B |
| 06/23/2026 | $2,015.36 | $2,023.63 (0.41%) | $2,028.34 | $2,001.99 | 16.40 K | $5.17 B |
| 06/22/2026 | $2,023.03 | $2,010.75 (-0.61%) | $2,035.00 | $1,999.84 | 13.20 K | $5.14 B |
Explore Related Stocks for Market Trends
Explore our related stocks for the latest market trends and stock news to stay informed and make better decisions.
