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White Mountains Insurance Group, Ltd. Common Stock (NY:WTM)

2,077.08 +1.55 (+0.07%)
Streaming Delayed Price Updated: 11:58 AM EST, Dec 30, 2025 Add to My Watchlist

Historical Prices

Date Open High Low Close Volume Change (%)
Dec 29, 2025 2070 2081 2058 2076 11,718 +13.19(+0.64%)
Dec 26, 2025 2093 2110 2055 2062 15,842 -25.71(-1.23%)
Dec 24, 2025 2091 2100 2071 2088 7,675 -2.85(-0.14%)
Dec 23, 2025 2083 2115 2078 2091 22,397 +7.76(+0.37%)
Dec 22, 2025 2026 2097 2015 2083 23,378 +41.12(+2.01%)
Dec 19, 2025 2038 2048 2038 2042 20,458 +2.02(+0.10%)
Dec 18, 2025 2063 2099 2036 2040 19,413 -6.65(-0.32%)
Dec 17, 2025 2050 2053 2038 2047 21,769 +1.34(+0.07%)
Dec 16, 2025 2069 2092 2028 2045 29,731 -22.86(-1.11%)
Dec 15, 2025 2060 2072 2052 2068 21,756 +13.66(+0.66%)
Dec 12, 2025 2044 2055 2035 2055 13,719 +9.64(+0.47%)
Dec 11, 2025 2058 2128 2032 2045 30,522 +3.93(+0.19%)
Dec 10, 2025 2021 2046 2015 2041 23,895 +22.19(+1.10%)
Dec 09, 2025 2024 2038 2010 2019 25,383 +5.23(+0.26%)
Dec 08, 2025 2033 2097 2013 2014 23,327 -21.27(-1.05%)
Dec 05, 2025 2026 2046 2019 2035 27,360 -3.00(-0.15%)
Dec 04, 2025 2023 2051 2020 2038 17,755 +12.24(+0.60%)
Dec 03, 2025 2031 2040 2013 2026 16,714 -1.86(-0.09%)
Dec 02, 2025 2025 2042 2022 2027 25,832 +2.52(+0.12%)
Dec 01, 2025 2028 2049 2018 2025 15,245 +0.64(+0.03%)
Nov 28, 2025 2030 2043 2023 2024 9,320 -4.81(-0.24%)
Nov 26, 2025 2005 2037 2004 2029 13,500 +25.41(+1.27%)
Nov 25, 2025 2001 2030 2000 2004 14,533 +6.66(+0.33%)
Nov 24, 2025 1993 2002 1961 1997 24,371 -3.01(-0.15%)
Nov 21, 2025 1959 2013 1959 2000 26,636 +118.39(+6.29%)
Nov 20, 2025 1902 1913 1876 1882 26,310 -7.69(-0.41%)
Nov 19, 2025 1901 1910 1870 1889 20,702 -11.04(-0.58%)
Nov 18, 2025 1901 1918 1900 1900 21,047 +0.34(+0.02%)
Nov 17, 2025 1932 1943 1900 1900 13,610 -24.67(-1.28%)
Nov 14, 2025 1905 1935 1902 1925 20,109 +9.58(+0.50%)
Nov 13, 2025 1929 1941 1911 1915 18,377 -19.38(-1.00%)
Nov 12, 2025 1931 1950 1915 1934 16,488 +9.46(+0.49%)
Nov 11, 2025 1907 1935 1902 1925 15,829 +23.25(+1.22%)
Nov 10, 2025 1906 1921 1900 1902 19,348 -6.70(-0.35%)
Nov 07, 2025 1895 1929 1893 1908 25,051 +16.44(+0.87%)
Nov 06, 2025 1901 1924 1888 1892 30,319 -5.40(-0.28%)
Nov 05, 2025 1898 1926 1894 1897 17,184 -23.18(-1.21%)
Nov 04, 2025 1900 1929 1892 1921 28,177 +20.73(+1.09%)
Nov 03, 2025 1901 1918 1864 1900 36,680 -4.69(-0.25%)
Oct 31, 2025 1902 1920 1890 1905 27,799 -2.44(-0.13%)
Oct 30, 2025 1905 1930 1903 1907 19,318 +9.01(+0.47%)
Oct 29, 2025 1915 1915 1897 1898 22,290 -3.31(-0.17%)
Oct 28, 2025 1909 1925 1899 1901 29,455 -31.60(-1.63%)
Oct 27, 2025 1917 1942 1917 1933 23,578 +16.76(+0.87%)
Oct 24, 2025 1950 1958 1909 1916 26,712 -21.79(-1.12%)
Oct 23, 2025 1911 1946 1900 1938 30,222 +35.74(+1.88%)
Oct 22, 2025 1916 1928 1901 1902 24,507 -18.72(-0.97%)
Oct 21, 2025 1932 1945 1921 1921 17,071 -11.32(-0.59%)
Oct 20, 2025 1926 1941 1926 1932 19,132 +19.03(+0.99%)
Oct 17, 2025 1830 1917 1830 1913 32,740 +65.53(+3.55%)
Oct 16, 2025 1887 1893 1837 1848 36,108 -44.34(-2.34%)
Oct 15, 2025 1932 1940 1890 1892 36,283 -41.00(-2.12%)
Oct 14, 2025 1914 1937 1907 1933 23,331 +29.77(+1.56%)
Oct 13, 2025 1893 1926 1893 1903 38,260 +5.24(+0.28%)
Oct 10, 2025 1933 1936 1891 1898 21,242 -22.68(-1.18%)
Oct 09, 2025 1901 1927 1900 1921 23,118 +24.48(+1.29%)
Oct 08, 2025 1900 1905 1892 1896 38,248 -9.03(-0.47%)
Oct 07, 2025 1864 1909 1815 1905 39,783 +40.75(+2.19%)
Oct 06, 2025 1828 1868 1827 1864 51,488 +23.14(+1.26%)
Oct 03, 2025 1785 1866 1785 1841 88,802 +176.78(+10.62%)
Oct 02, 2025 1651 1679 1650 1665 28,856 +14.06(+0.85%)
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