White Mountains Insurance Group Ltd (WTM) — Price History
As of 2026-08-07 — refreshed nightly from the Closelook data lake. Diary readings, not advice.
Daily prices
| Date | Open | High | Low | Close | Chg % | Volume |
|---|---|---|---|---|---|---|
| 2026-08-07 | 2132.00 | 2168.31 | 2112.60 | 2149.44 | +0.39% | 30,200 |
| 2026-08-06 | 2137.73 | 2151.20 | 2112.92 | 2141.09 | +1.38% | 28,900 |
| 2026-08-05 | 2136.50 | 2136.50 | 2095.43 | 2111.91 | -0.28% | 19,300 |
| 2026-08-04 | 2098.30 | 2127.88 | 2070.00 | 2117.86 | +0.78% | 23,700 |
| 2026-08-03 | 2119.19 | 2136.00 | 2086.77 | 2101.47 | +0.18% | 19,900 |
| 2026-07-31 | 2105.57 | 2129.32 | 2084.99 | 2097.73 | -0.99% | 12,700 |
| 2026-07-30 | 2151.30 | 2151.30 | 2087.20 | 2118.61 | -1.48% | 19,100 |
| 2026-07-29 | 2186.21 | 2211.00 | 2125.64 | 2150.34 | -2.37% | 21,200 |
| 2026-07-28 | 2175.60 | 2218.61 | 2171.30 | 2202.61 | +0.40% | 17,200 |
| 2026-07-27 | 2201.75 | 2231.00 | 2182.58 | 2193.94 | -0.64% | 18,600 |
| 2026-07-24 | 2178.36 | 2233.66 | 2158.61 | 2208.05 | +1.43% | 11,800 |
| 2026-07-23 | 2176.75 | 2208.00 | 2146.51 | 2176.85 | -0.25% | 12,500 |
| 2026-07-22 | 2192.00 | 2211.04 | 2161.29 | 2182.32 | -0.50% | 16,100 |
| 2026-07-21 | 2201.51 | 2222.50 | 2167.98 | 2193.26 | -0.81% | 13,500 |
| 2026-07-20 | 2214.50 | 2249.05 | 2209.73 | 2211.22 | -0.01% | 16,100 |
| 2026-07-17 | 2198.24 | 2239.95 | 2198.24 | 2211.52 | +0.68% | 12,600 |
| 2026-07-16 | 2126.10 | 2203.64 | 2126.10 | 2196.48 | +2.65% | 21,200 |
| 2026-07-15 | 2162.60 | 2173.75 | 2125.84 | 2139.73 | -1.29% | 15,300 |
| 2026-07-14 | 2162.51 | 2187.93 | 2146.35 | 2167.79 | -0.33% | 21,200 |
| 2026-07-13 | 2192.70 | 2203.36 | 2157.50 | 2174.96 | -0.29% | 16,000 |
| 2026-07-10 | 2197.99 | 2199.15 | 2165.09 | 2181.19 | -0.18% | 18,500 |
| 2026-07-09 | 2167.02 | 2189.82 | 2159.73 | 2185.23 | +0.83% | 25,900 |
| 2026-07-08 | 2164.98 | 2179.59 | 2147.50 | 2167.25 | +0.06% | 18,400 |
| 2026-07-07 | 2176.00 | 2198.87 | 2161.90 | 2165.85 | -0.02% | 14,300 |
| 2026-07-06 | 2165.26 | 2182.90 | 2145.32 | 2166.27 | -0.35% | 14,600 |
| 2026-07-02 | 2090.00 | 2186.81 | 2068.60 | 2173.81 | +5.32% | 25,500 |
| 2026-07-01 | 2077.50 | 2101.10 | 2050.00 | 2064.04 | -0.45% | 17,600 |
| 2026-06-30 | 2075.60 | 2098.50 | 2057.34 | 2073.39 | -0.84% | 16,700 |
| 2026-06-29 | 2085.79 | 2104.79 | 2064.64 | 2090.94 | -0.27% | 13,200 |
| 2026-06-26 | 2023.79 | 2096.56 | 2023.79 | 2096.56 | +3.81% | 26,300 |
| 2026-06-25 | 2021.78 | 2048.66 | 2009.02 | 2019.70 | -0.13% | 14,400 |
| 2026-06-24 | 2026.75 | 2044.04 | 2006.15 | 2022.41 | -0.06% | 13,800 |
| 2026-06-23 | 2015.36 | 2028.34 | 2001.99 | 2023.63 | +0.64% | 16,400 |
| 2026-06-22 | 2023.03 | 2035.00 | 1999.84 | 2010.75 | -0.13% | 13,200 |
| 2026-06-18 | 1997.36 | 2019.89 | 1990.78 | 2013.36 | +0.49% | 25,500 |
| 2026-06-17 | 2021.60 | 2045.50 | 1990.00 | 2003.49 | -1.42% | 21,600 |
| 2026-06-16 | 2037.76 | 2051.66 | 2010.00 | 2032.37 | +0.09% | 20,700 |
| 2026-06-15 | 2026.10 | 2059.62 | 2000.35 | 2030.64 | +0.33% | 31,000 |
| 2026-06-12 | 1995.50 | 2030.00 | 1991.30 | 2024.05 | +1.73% | 17,700 |
| 2026-06-11 | 2021.10 | 2041.42 | 1987.00 | 1989.54 | -1.45% | 17,000 |
| 2026-06-10 | 2014.35 | 2037.79 | 2006.15 | 2018.89 | +0.70% | 23,500 |
| 2026-06-09 | 2029.50 | 2050.00 | 1991.29 | 2004.76 | -0.94% | 26,500 |
| 2026-06-08 | 2060.00 | 2070.00 | 2020.03 | 2023.70 | -2.01% | 29,200 |
| 2026-06-05 | 2016.80 | 2084.71 | 2016.80 | 2065.14 | +2.46% | 22,300 |
| 2026-06-04 | 2035.00 | 2065.00 | 2010.54 | 2015.54 | -0.91% | 29,900 |
| 2026-06-03 | 2050.81 | 2066.06 | 2017.98 | 2034.02 | -0.82% | 45,000 |
| 2026-06-02 | 2060.03 | 2087.91 | 2050.62 | 2050.81 | -0.54% | 23,500 |
| 2026-06-01 | 2052.25 | 2077.20 | 2052.25 | 2062.03 | -0.14% | 24,200 |
| 2026-05-29 | 2093.14 | 2096.55 | 2060.92 | 2064.82 | -0.94% | 25,800 |
| 2026-05-28 | 2090.39 | 2106.05 | 2072.01 | 2084.31 | -0.84% | 23,500 |
| 2026-05-27 | 2138.97 | 2159.00 | 2094.47 | 2101.94 | -1.28% | 27,700 |
| 2026-05-26 | 2140.40 | 2166.05 | 2129.17 | 2129.17 | -0.82% | 16,926 |
| 2026-05-22 | 2136.84 | 2159.00 | 2136.84 | 2146.85 | +0.36% | 16,600 |
| 2026-05-21 | 2130.13 | 2152.18 | 2130.03 | 2139.09 | -0.27% | 22,400 |
| 2026-05-20 | 2152.05 | 2175.00 | 2142.50 | 2144.81 | +0.03% | 18,200 |
| 2026-05-19 | 2127.27 | 2159.00 | 2125.02 | 2144.19 | +0.27% | 29,100 |
| 2026-05-18 | 2139.00 | 2177.00 | 2121.03 | 2138.35 | +0.07% | 17,900 |
| 2026-05-15 | 2119.07 | 2149.99 | 2105.00 | 2136.76 | +1.14% | 21,200 |
| 2026-05-14 | 2128.91 | 2196.09 | 2096.23 | 2112.72 | -0.34% | 27,700 |
| 2026-05-13 | 2105.14 | 2150.00 | 2105.14 | 2119.91 | +0.51% | 23,000 |
| 2026-05-12 | 2141.68 | 2162.00 | 2099.94 | 2109.20 | -1.14% | 22,400 |
| 2026-05-11 | 2143.00 | 2173.11 | 2110.00 | 2133.58 | +0.24% | 21,000 |
| 2026-05-08 | 2103.90 | 2136.45 | 2075.05 | 2128.40 | +1.72% | 18,800 |
| 2026-05-07 | 2080.00 | 2106.28 | 2050.01 | 2092.50 | +0.60% | 26,200 |
| 2026-05-06 | 2151.30 | 2176.58 | 2071.88 | 2080.00 | -3.33% | 38,300 |
| 2026-05-05 | 2173.37 | 2193.71 | 2147.77 | 2151.67 | -0.73% | 17,300 |
| 2026-05-04 | 2153.87 | 2203.00 | 2132.76 | 2167.41 | +0.18% | 26,800 |
| 2026-05-01 | 2213.00 | 2216.52 | 2158.18 | 2163.50 | -3.07% | 19,500 |
| 2026-04-30 | 2201.09 | 2235.00 | 2190.66 | 2231.99 | +1.18% | 10,900 |
| 2026-04-29 | 2261.29 | 2270.21 | 2188.44 | 2206.00 | -2.55% | 12,700 |
| 2026-04-28 | 2284.00 | 2303.48 | 2256.57 | 2263.69 | -0.17% | 16,500 |
| 2026-04-27 | 2260.60 | 2286.66 | 2245.31 | 2267.56 | +0.37% | 16,000 |
| 2026-04-24 | 2279.54 | 2279.54 | 2243.94 | 2259.27 | -1.14% | 15,300 |
| 2026-04-23 | 2283.32 | 2301.53 | 2268.15 | 2285.39 | +0.71% | 9,400 |
| 2026-04-22 | 2292.87 | 2292.87 | 2261.10 | 2269.19 | -0.31% | 14,700 |
| 2026-04-21 | 2278.10 | 2290.97 | 2261.03 | 2276.34 | +0.06% | 10,200 |
| 2026-04-20 | 2309.96 | 2326.45 | 2275.01 | 2275.01 | -1.91% | 14,100 |
| 2026-04-17 | 2292.20 | 2333.00 | 2270.05 | 2319.41 | +1.08% | 14,200 |
| 2026-04-16 | 2290.79 | 2300.50 | 2273.24 | 2294.72 | +0.14% | 10,800 |
| 2026-04-15 | 2301.10 | 2310.12 | 2280.00 | 2291.46 | -0.37% | 15,900 |
| 2026-04-14 | 2282.20 | 2318.57 | 2282.20 | 2300.00 | +0.09% | 17,500 |
| 2026-04-13 | 2280.08 | 2307.25 | 2254.22 | 2297.99 | -0.14% | 15,000 |
| 2026-04-10 | 2307.10 | 2307.10 | 2266.62 | 2301.14 | -0.38% | 19,800 |
| 2026-04-09 | 2277.22 | 2325.78 | 2255.00 | 2309.92 | +1.44% | 17,100 |
| 2026-04-08 | 2235.44 | 2290.66 | 2205.00 | 2277.21 | +2.77% | 17,600 |
| 2026-04-07 | 2192.96 | 2242.00 | 2192.96 | 2215.73 | +0.53% | 15,900 |
| 2026-04-06 | 2169.31 | 2206.24 | 2067.21 | 2203.96 | +1.58% | 27,400 |
| 2026-04-02 | 2176.40 | 2191.19 | 2156.00 | 2169.76 | -0.40% | 18,000 |
| 2026-04-01 | 2197.20 | 2206.25 | 2160.00 | 2178.44 | -0.84% | 22,200 |
| 2026-03-31 | 2212.63 | 2224.11 | 2163.41 | 2196.96 | +0.14% | 25,100 |
| 2026-03-30 | 2164.39 | 2210.86 | 2150.80 | 2193.86 | +1.86% | 14,800 |
| 2026-03-27 | 2219.27 | 2223.00 | 2134.68 | 2153.86 | -3.01% | 19,170 |
| 2026-03-26 | 2185.51 | 2224.51 | 2185.51 | 2220.71 | +0.69% | 10,873 |
| 2026-03-25 | 2219.64 | 2231.57 | 2196.96 | 2205.51 | -0.29% | 13,358 |
| 2026-03-24 | 2169.00 | 2220.56 | 2152.16 | 2211.91 | +2.26% | 16,452 |
| 2026-03-23 | 2178.96 | 2205.42 | 2160.91 | 2162.99 | +0.37% | 19,085 |
| 2026-03-20 | 2190.00 | 2205.99 | 2155.00 | 2155.01 | -1.20% | 22,590 |
| 2026-03-19 | 2191.60 | 2206.55 | 2159.77 | 2181.16 | -0.18% | 22,248 |
| 2026-03-18 | 2202.67 | 2220.01 | 2184.94 | 2185.01 | -0.99% | 16,499 |
| 2026-03-17 | 2206.10 | 2246.00 | 2206.10 | 2206.81 | +0.32% | 17,539 |
| 2026-03-16 | 2209.99 | 2230.00 | 2193.52 | 2199.69 | +0.23% | 17,536 |
| 2026-03-13 | 2199.86 | 2217.68 | 2190.58 | 2194.70 | +0.58% | 11,442 |
| 2026-03-12 | 2195.20 | 2216.43 | 2126.26 | 2182.05 | -1.36% | 17,254 |
| 2026-03-11 | 2219.36 | 2237.00 | 2190.00 | 2212.14 | -0.51% | 25,023 |
| 2026-03-10 | 2145.19 | 2236.70 | 2100.00 | 2223.46 | +3.48% | 26,171 |
| 2026-03-09 | 2174.80 | 2180.89 | 2108.80 | 2148.65 | -0.78% | 28,530 |
| 2026-03-06 | 2165.70 | 2208.36 | 2134.00 | 2165.60 | -1.07% | 21,672 |
| 2026-03-05 | 2213.45 | 2234.84 | 2181.30 | 2188.94 | -1.57% | 19,947 |
| 2026-03-04 | 2218.01 | 2240.06 | 2196.33 | 2223.79 | +0.39% | 20,220 |
| 2026-03-03 | 2226.39 | 2239.83 | 2179.00 | 2215.09 | -1.29% | 16,959 |
| 2026-03-02 | 2210.00 | 2259.26 | 2210.00 | 2244.14 | +1.06% | 24,857 |
| 2026-02-27 | 2217.44 | 2239.00 | 2185.00 | 2220.51 | -0.11% | 21,669 |
| 2026-02-26 | 2219.59 | 2264.70 | 2214.00 | 2222.97 | +0.12% | 17,744 |
| 2026-02-25 | 2223.50 | 2249.80 | 2195.00 | 2220.28 | -0.14% | 19,506 |
| 2026-02-24 | 2197.08 | 2228.97 | 2185.50 | 2223.42 | +1.56% | 17,226 |
| 2026-02-23 | 2235.00 | 2240.00 | 2182.34 | 2189.34 | -1.74% | 14,635 |
| 2026-02-20 | 2208.00 | 2232.05 | 2184.43 | 2228.13 | +1.22% | 8,611 |
| 2026-02-19 | 2204.79 | 2225.00 | 2173.16 | 2201.23 | -0.04% | 16,180 |
| 2026-02-18 | 2232.22 | 2232.22 | 2193.63 | 2202.12 | -1.29% | 13,269 |
| 2026-02-17 | 2195.76 | 2246.88 | 2184.30 | 2230.83 | +1.95% | 17,833 |
| 2026-02-13 | 2178.57 | 2193.14 | 2140.00 | 2188.07 | +0.28% | 12,854 |
| 2026-02-12 | 2177.69 | 2200.00 | 2144.00 | 2182.01 | +1.78% | 20,290 |
| 2026-02-11 | 2129.12 | 2143.84 | 2080.00 | 2143.84 | +1.41% | 15,387 |
| 2026-02-10 | 2098.28 | 2130.21 | 2078.34 | 2114.10 | +0.73% | 21,211 |
| 2026-02-09 | 2181.47 | 2202.50 | 2077.71 | 2098.78 | -3.95% | 24,727 |
| 2026-02-06 | 2151.00 | 2232.50 | 2147.85 | 2185.00 | +2.75% | 22,891 |
| 2026-02-05 | 2078.42 | 2129.89 | 2078.07 | 2126.57 | +1.94% | 20,971 |
| 2026-02-04 | 2063.98 | 2098.90 | 2063.98 | 2086.14 | +1.45% | 11,514 |
| 2026-02-03 | 2050.00 | 2081.59 | 2049.09 | 2056.30 | -0.00% | 14,482 |
| 2026-02-02 | 2044.80 | 2061.03 | 2035.01 | 2056.36 | +0.56% | 13,915 |
| 2026-01-30 | 2056.77 | 2065.33 | 2038.15 | 2044.93 | -0.35% | 22,180 |
| 2026-01-29 | 2047.29 | 2063.22 | 2014.01 | 2052.17 | +0.64% | 15,892 |
| 2026-01-28 | 2052.44 | 2066.00 | 2034.85 | 2039.19 | -0.65% | 18,494 |
| 2026-01-27 | 2071.37 | 2071.37 | 2039.92 | 2052.44 | -1.18% | 16,985 |
| 2026-01-26 | 2060.00 | 2091.90 | 2054.10 | 2076.93 | +0.99% | 12,999 |
| 2026-01-23 | 2072.02 | 2076.38 | 2049.63 | 2056.64 | -0.74% | 8,550 |
| 2026-01-22 | 2084.99 | 2098.89 | 2054.87 | 2071.97 | -0.09% | 13,392 |
| 2026-01-21 | 2050.35 | 2085.00 | 2040.00 | 2073.85 | +1.39% | 18,866 |
| 2026-01-20 | 2043.27 | 2074.00 | 2020.00 | 2045.45 | -0.53% | 14,296 |
| 2026-01-16 | 2061.64 | 2068.00 | 2037.98 | 2056.36 | -0.27% | 17,342 |
| 2026-01-15 | 2084.56 | 2098.88 | 2059.71 | 2061.92 | -0.72% | 14,207 |
| 2026-01-14 | 2056.06 | 2081.93 | 2052.49 | 2076.96 | +0.92% | 15,267 |
| 2026-01-13 | 2054.63 | 2085.70 | 2028.90 | 2057.99 | -0.14% | 15,911 |
| 2026-01-12 | 2040.62 | 2075.73 | 2028.00 | 2060.84 | +0.60% | 13,888 |
| 2026-01-09 | 2071.72 | 2095.72 | 2043.51 | 2048.45 | -1.26% | 16,539 |
| 2026-01-08 | 2063.51 | 2083.00 | 2017.85 | 2074.49 | +0.73% | 22,725 |
| 2026-01-07 | 2040.43 | 2068.06 | 2010.00 | 2059.54 | +0.60% | 16,137 |
| 2026-01-06 | 2008.04 | 2056.10 | 2003.97 | 2047.31 | -0.75% | 31,205 |
| 2026-01-05 | 2036.76 | 2072.00 | 2032.00 | 2062.86 | +1.03% | 17,438 |
| 2026-01-02 | 2083.56 | 2089.50 | 2027.27 | 2041.90 | -1.74% | 23,317 |
| 2025-12-31 | 2081.94 | 2099.42 | 2069.19 | 2078.03 | -0.03% | 14,059 |
| 2025-12-30 | 2076.00 | 2143.25 | 2070.00 | 2078.62 | +0.15% | 14,222 |
| 2025-12-29 | 2069.53 | 2081.29 | 2057.93 | 2075.53 | +0.64% | 11,718 |
| 2025-12-26 | 2092.86 | 2110.43 | 2054.89 | 2062.34 | -1.23% | 15,842 |
| 2025-12-24 | 2091.00 | 2100.00 | 2070.95 | 2088.05 | -0.14% | 7,675 |
| 2025-12-23 | 2082.94 | 2115.00 | 2078.06 | 2090.90 | +0.37% | 22,397 |
| 2025-12-22 | 2026.20 | 2097.13 | 2015.10 | 2083.14 | +2.01% | 23,378 |
| 2025-12-19 | 2038.15 | 2048.02 | 2038.00 | 2042.02 | +0.10% | 20,458 |
| 2025-12-18 | 2062.94 | 2098.80 | 2036.00 | 2040.00 | -0.32% | 19,413 |
| 2025-12-17 | 2049.66 | 2053.16 | 2037.60 | 2046.65 | +0.07% | 21,769 |
| 2025-12-16 | 2068.58 | 2092.00 | 2027.83 | 2045.31 | -1.11% | 29,731 |
| 2025-12-15 | 2059.62 | 2072.22 | 2051.50 | 2068.17 | +0.66% | 21,756 |
| 2025-12-12 | 2043.85 | 2054.85 | 2035.43 | 2054.51 | +0.47% | 13,719 |
| 2025-12-11 | 2057.59 | 2127.97 | 2032.30 | 2044.87 | +0.19% | 30,522 |
| 2025-12-10 | 2021.46 | 2045.50 | 2014.69 | 2040.94 | +1.10% | 23,895 |
| 2025-12-09 | 2024.21 | 2038.00 | 2010.00 | 2018.75 | +0.26% | 25,383 |
| 2025-12-08 | 2033.00 | 2097.49 | 2013.11 | 2013.52 | -1.05% | 23,327 |
| 2025-12-05 | 2026.30 | 2046.18 | 2019.00 | 2034.79 | -0.15% | 27,360 |
| 2025-12-04 | 2023.00 | 2050.90 | 2020.05 | 2037.79 | +0.60% | 17,755 |
| 2025-12-03 | 2030.96 | 2039.79 | 2013.29 | 2025.55 | -0.09% | 16,714 |
| 2025-12-02 | 2025.20 | 2041.50 | 2022.30 | 2027.41 | +0.12% | 25,833 |
| 2025-12-01 | 2028.22 | 2048.77 | 2018.27 | 2024.89 | +0.03% | 15,235 |
| 2025-11-28 | 2030.44 | 2042.89 | 2023.45 | 2024.25 | -0.24% | 9,320 |
| 2025-11-26 | 2005.00 | 2037.35 | 2004.18 | 2029.06 | +1.27% | 13,500 |
| 2025-11-25 | 2000.84 | 2030.40 | 2000.00 | 2003.65 | +0.33% | 14,533 |
| 2025-11-24 | 1992.82 | 2002.35 | 1961.00 | 1996.99 | -0.15% | 24,563 |
| 2025-11-21 | 1959.00 | 2013.05 | 1959.00 | 2000.00 | +6.29% | 26,636 |
| 2025-11-20 | 1901.55 | 1913.00 | 1875.50 | 1881.61 | -0.41% | 26,310 |
| 2025-11-19 | 1901.30 | 1909.89 | 1870.00 | 1889.30 | -0.58% | 20,702 |
| 2025-11-18 | 1900.77 | 1918.00 | 1900.01 | 1900.34 | +0.02% | 21,047 |
| 2025-11-17 | 1931.89 | 1943.46 | 1900.00 | 1900.00 | -1.28% | 13,610 |
| 2025-11-14 | 1905.00 | 1934.99 | 1902.00 | 1924.67 | +0.50% | 20,109 |
| 2025-11-13 | 1929.38 | 1941.13 | 1911.42 | 1915.09 | -1.00% | 18,377 |
| 2025-11-12 | 1930.55 | 1949.89 | 1915.46 | 1934.47 | +0.49% | 16,488 |
| 2025-11-11 | 1906.90 | 1935.38 | 1902.00 | 1925.01 | +1.22% | 15,829 |
| 2025-11-10 | 1905.80 | 1921.05 | 1899.58 | 1901.76 | -0.35% | 19,348 |
| 2025-11-07 | 1895.00 | 1928.75 | 1893.02 | 1908.46 | +0.87% | 25,051 |
| 2025-11-06 | 1901.10 | 1923.74 | 1888.00 | 1892.02 | -0.28% | 30,319 |
| 2025-11-05 | 1897.96 | 1925.90 | 1894.24 | 1897.42 | -1.21% | 17,184 |
| 2025-11-04 | 1900.20 | 1929.19 | 1891.83 | 1920.60 | +1.09% | 28,177 |
| 2025-11-03 | 1900.75 | 1917.74 | 1863.60 | 1899.87 | -0.25% | 36,682 |
| 2025-10-31 | 1902.43 | 1920.00 | 1890.00 | 1904.56 | -0.13% | 27,799 |
| 2025-10-30 | 1905.20 | 1930.50 | 1903.25 | 1907.00 | +0.47% | 19,318 |
| 2025-10-29 | 1914.54 | 1914.54 | 1897.23 | 1897.99 | -0.17% | 22,290 |
| 2025-10-28 | 1909.00 | 1925.00 | 1898.96 | 1901.30 | -1.63% | 29,455 |
| 2025-10-27 | 1917.00 | 1941.88 | 1917.00 | 1932.90 | +0.87% | 23,578 |
| 2025-10-24 | 1950.00 | 1957.68 | 1908.54 | 1916.14 | -1.12% | 26,712 |
| 2025-10-23 | 1911.00 | 1946.40 | 1900.26 | 1937.93 | +1.88% | 30,222 |
| 2025-10-22 | 1916.00 | 1927.73 | 1900.82 | 1902.19 | -0.97% | 24,507 |
| 2025-10-21 | 1931.62 | 1945.00 | 1920.91 | 1920.91 | -0.59% | 17,071 |
| 2025-10-20 | 1926.00 | 1940.71 | 1926.00 | 1932.23 | +0.99% | 19,132 |
| 2025-10-17 | 1830.13 | 1917.38 | 1830.13 | 1913.20 | +3.55% | 32,740 |
| 2025-10-16 | 1887.11 | 1893.06 | 1836.71 | 1847.67 | -2.34% | 36,108 |
| 2025-10-15 | 1931.79 | 1939.50 | 1890.29 | 1892.01 | -2.12% | 36,283 |
| 2025-10-14 | 1913.50 | 1936.54 | 1907.02 | 1933.01 | +1.56% | 23,331 |
| 2025-10-13 | 1893.30 | 1925.51 | 1893.30 | 1903.24 | +0.28% | 38,260 |
| 2025-10-10 | 1932.67 | 1936.00 | 1891.26 | 1898.00 | -1.18% | 21,242 |
| 2025-10-09 | 1901.00 | 1926.74 | 1899.76 | 1920.68 | +1.29% | 23,118 |
| 2025-10-08 | 1900.00 | 1905.00 | 1892.00 | 1896.20 | -0.47% | 38,248 |
| 2025-10-07 | 1864.00 | 1908.65 | 1815.44 | 1905.23 | +2.19% | 39,783 |
| 2025-10-06 | 1828.04 | 1868.48 | 1827.00 | 1864.48 | +1.26% | 51,488 |
| 2025-10-03 | 1784.78 | 1866.22 | 1784.78 | 1841.34 | +10.62% | 88,802 |
| 2025-10-02 | 1651.13 | 1678.88 | 1650.00 | 1664.56 | +0.85% | 28,856 |
| 2025-10-01 | 1670.00 | 1670.00 | 1648.00 | 1650.50 | -1.26% | 27,615 |
| 2025-09-30 | 1663.71 | 1678.88 | 1663.71 | 1671.52 | -0.37% | 33,761 |
| 2025-09-29 | 1718.30 | 1718.30 | 1659.16 | 1677.70 | -2.23% | 50,398 |
| 2025-09-26 | 1694.95 | 1736.00 | 1694.95 | 1715.94 | +1.58% | 32,314 |
| 2025-09-25 | 1755.00 | 1755.00 | 1687.47 | 1689.22 | -3.86% | 31,167 |
| 2025-09-24 | 1759.00 | 1783.50 | 1755.70 | 1756.99 | -0.48% | 27,496 |
| 2025-09-23 | 1764.11 | 1781.09 | 1762.60 | 1765.52 | -0.02% | 38,309 |
| 2025-09-22 | 1760.00 | 1768.00 | 1749.67 | 1765.90 | -0.22% | 35,467 |
| 2025-09-19 | 1751.35 | 1776.21 | 1735.00 | 1769.87 | +0.93% | 45,923 |
| 2025-09-18 | 1721.00 | 1760.71 | 1715.00 | 1753.62 | +1.78% | 32,919 |
| 2025-09-17 | 1724.00 | 1728.47 | 1711.39 | 1722.98 | +0.44% | 29,403 |
| 2025-09-16 | 1712.78 | 1719.40 | 1700.00 | 1715.50 | +0.01% | 29,377 |
| 2025-09-15 | 1760.00 | 1772.00 | 1711.28 | 1715.40 | -2.69% | 40,379 |
| 2025-09-12 | 1765.00 | 1785.77 | 1762.81 | 1762.81 | -0.66% | 26,557 |
| 2025-09-11 | 1752.00 | 1774.51 | 1752.00 | 1774.51 | +0.80% | 33,590 |
| 2025-09-10 | 1779.67 | 1790.00 | 1752.88 | 1760.48 | -1.91% | 37,377 |
| 2025-09-09 | 1767.16 | 1800.06 | 1762.71 | 1794.69 | +1.56% | 82,797 |
| 2025-09-08 | 1785.00 | 1800.00 | 1748.41 | 1767.16 | -1.61% | 30,853 |
| 2025-09-05 | 1797.67 | 1816.00 | 1792.00 | 1796.03 | -0.25% | 20,905 |
| 2025-09-04 | 1772.52 | 1800.51 | 1767.15 | 1800.51 | +1.58% | 26,917 |
| 2025-09-03 | 1795.00 | 1819.69 | 1763.92 | 1772.52 | -3.49% | 33,014 |
| 2025-09-02 | 1815.00 | 1842.08 | 1804.00 | 1836.59 | +0.35% | 23,837 |
| 2025-08-29 | 1837.00 | 1839.31 | 1830.18 | 1830.18 | +0.26% | 20,507 |
| 2025-08-28 | 1825.00 | 1850.00 | 1822.00 | 1825.39 | -1.09% | 25,034 |
| 2025-08-27 | 1838.13 | 1850.82 | 1824.30 | 1845.42 | +0.53% | 37,180 |
| 2025-08-26 | 1810.00 | 1836.21 | 1810.00 | 1835.69 | +0.42% | 27,026 |
| 2025-08-25 | 1830.00 | 1840.00 | 1809.89 | 1828.05 | -1.89% | 24,360 |
| 2025-08-22 | 1856.00 | 1868.36 | 1848.37 | 1863.22 | +1.18% | 24,089 |
| 2025-08-21 | 1832.31 | 1847.38 | 1831.00 | 1841.41 | +0.25% | 20,379 |
| 2025-08-20 | 1809.00 | 1841.21 | 1809.00 | 1836.89 | +1.31% | 26,023 |
| 2025-08-19 | 1777.38 | 1813.53 | 1777.38 | 1813.09 | +2.81% | 28,565 |
| 2025-08-18 | 1775.00 | 1779.02 | 1758.67 | 1763.47 | -0.35% | 32,776 |
| 2025-08-15 | 1838.00 | 1848.31 | 1762.71 | 1769.60 | -4.05% | 41,912 |
| 2025-08-14 | 1865.00 | 1867.46 | 1840.00 | 1844.34 | -1.36% | 30,109 |
| 2025-08-13 | 1837.55 | 1880.11 | 1819.00 | 1869.81 | +2.48% | 21,933 |
| 2025-08-12 | 1786.79 | 1828.03 | 1779.00 | 1824.59 | +2.30% | 29,559 |
| 2025-08-11 | 1746.00 | 1791.18 | 1744.00 | 1783.51 | +1.82% | 37,429 |
Most recent 250 sessions, newest first.
Seasonal returns
Best month historically: Nov (+5.09%). Worst month: Sep (-7.34%). Based on 5 years of daily data (2022–2026).
FAQ · from the current price data · as of 2026-08-07
Quick answers
What is White Mountains Insurance Group Ltd's (WTM) latest close?
2149.44 on 2026-08-07, from the Closelook data lake's daily price record.
What is WTM's 52-week high and low?
2333.00 high and 1648.00 low over the trailing 52 weeks, as of 2026-08-07.
What is White Mountains Insurance Group Ltd's strongest and weakest month historically?
Historically, WTM's strongest calendar month has been Nov (average +5.09%) and its weakest Sep (average -7.34%), based on 5 years of daily data (2022–2026).
How many years of seasonality does this cover?
5 years (2022–2026), computed from 965 daily bars in the Closelook data lake.