White Mountains Insurance Group, Ltd. (WTM) Stock Price History
Historical prices from 1985 to 2026
- 1M
- -4.7%
- 3M
- +0.4%
- YTD
- -0.5%
- 1Y
- +15.1%
- 3Y
- +9.7%
- 5Y
- +13.5%
Loading 10-year price history...
WTM Historical Performance
WTM Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- -7.7%
- 2003 annual price return
- +42.2%
- 2004 annual price return
- +42.3%
- 2005 annual price return
- -11.5%
- 2006 annual price return
- +4.4%
- 2007 annual price return
- -11.4%
- 2008 annual price return
- -47.5%
- 2009 annual price return
- +26.3%
- 2010 annual price return
- +0.0%
- 2011 annual price return
- +31.9%
- 2012 annual price return
- +13.0%
- 2013 annual price return
- +15.2%
- 2014 annual price return
- +4.9%
- 2015 annual price return
- +15.0%
- 2016 annual price return
- +16.1%
- 2017 annual price return
- +0.2%
- 2018 annual price return
- +1.1%
- 2019 annual price return
- +30.5%
- 2020 annual price return
- -10.9%
- 2021 annual price return
- -0.1%
- 2022 annual price return
- +40.0%
- 2023 annual price return
- +7.7%
- 2024 annual price return
- +28.8%
- 2025 annual price return
- +7.7%
- 2026 annual price return
- +2.7%
WTM Stock Price Trajectory (1985–2026)
As of September 24, 2026, White Mountains Insurance Group, Ltd. (WTM) trades at $2,032.01, representing a +15.1% return over the past year. The stock has delivered a +88.5% total return over five years (+13.5% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $2,333.00 on April 17, 2026. From this peak, WTM has corrected -12.9%, currently trading 5% below its 200-day moving average, suggesting potential weakness.
When compared to Financial Services sector peers MKL (-10.1% 1Y), ACGL (+7.6% 1Y), and RNR (+34.3% 1Y), WTM has underperformed the peer group average. Compare WTM vs MKL →
WTM Historical Price Data · from 1985
Rows 1–50 of 10,308| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-09-23 | 2057.71 | 2069.83 | 2030.61 | 2032.01 | 13K | -1.05% |
| 2026-09-22 | 2045.45 | 2064.47 | 2044.75 | 2053.64 | 16K | -0.16% |
| 2026-09-21 | 2070.43 | 2073.02 | 2049.62 | 2056.85 | 18K | -0.22% |
| 2026-09-18 | 2045.44 | 2081.61 | 2032.20 | 2061.30 | 39K | +0.14% |
| 2026-09-17 | 2064.53 | 2085.06 | 2039.97 | 2058.32 | 23K | -0.20% |
| 2026-09-16 | 2041.02 | 2074.41 | 2040.01 | 2062.37 | 33K | +0.80% |
| 2026-09-15 | 2057.63 | 2057.63 | 2027.64 | 2045.94 | 20K | -0.54% |
| 2026-09-14 | 2068.77 | 2070.00 | 2045.03 | 2057.00 | 17K | +0.19% |
| 2026-09-11 | 2086.68 | 2098.39 | 2042.59 | 2053.15 | 20K | -1.10% |
| 2026-09-10 | 2062.20 | 2083.99 | 2053.07 | 2075.99 | 30K | +1.23% |
| 2026-09-09 | 2040.82 | 2055.70 | 2038.71 | 2050.81 | 16K | -0.08% |
| 2026-09-08 | 2083.32 | 2091.42 | 2050.01 | 2052.48 | 27K | -2.43% |
| 2026-09-04 | 2100.00 | 2115.61 | 2073.35 | 2103.49 | 25K | -0.41% |
| 2026-09-03 | 2115.00 | 2137.31 | 2081.01 | 2112.23 | 22K | +0.36% |
| 2026-09-02 | 2099.03 | 2129.10 | 2088.33 | 2104.75 | 20K | +0.28% |
| 2026-09-01 | 2112.81 | 2122.86 | 2093.43 | 2098.96 | 22K | -0.15% |
| 2026-08-31 | 2126.71 | 2135.00 | 2093.55 | 2102.01 | 22K | -1.56% |
| 2026-08-28 | 2133.03 | 2149.93 | 2131.61 | 2135.41 | 18K | +0.37% |
| 2026-08-27 | 2125.01 | 2145.00 | 2105.61 | 2127.57 | 23K | -0.24% |
| 2026-08-26 | 2134.74 | 2150.97 | 2126.91 | 2132.74 | 16K | -0.40% |
| 2026-08-25 | 2135.75 | 2146.04 | 2120.00 | 2141.20 | 14K | +0.42% |
| 2026-08-24 | 2100.08 | 2146.50 | 2100.08 | 2132.30 | 20K | +1.01% |
| 2026-08-21 | 2101.86 | 2140.30 | 2101.86 | 2110.95 | 29K | -0.32% |
| 2026-08-20 | 2123.90 | 2131.84 | 2095.01 | 2117.70 | 22K | -0.54% |
| 2026-08-19 | 2130.79 | 2150.84 | 2107.66 | 2129.20 | 20K | -0.76% |
| 2026-08-18 | 2125.49 | 2157.70 | 2090.00 | 2145.46 | 23K | +1.52% |
| 2026-08-17 | 2130.23 | 2145.48 | 2107.78 | 2113.40 | 17K | -1.11% |
| 2026-08-14 | 2137.82 | 2145.00 | 2121.09 | 2137.12 | 14K | -0.20% |
| 2026-08-13 | 2115.01 | 2141.76 | 2096.72 | 2141.42 | 29K | +1.04% |
| 2026-08-12 | 2134.01 | 2152.19 | 2094.04 | 2119.46 | 27K | +0.35% |
| 2026-08-11 | 2112.16 | 2126.99 | 2093.63 | 2112.01 | 21K | +0.11% |
| 2026-08-10 | 2148.61 | 2172.18 | 2107.87 | 2109.68 | 27K | -1.85% |
| 2026-08-07 | 2132.00 | 2168.31 | 2112.60 | 2149.44 | 30K | +0.39% |
| 2026-08-06 | 2137.73 | 2151.20 | 2112.92 | 2141.09 | 29K | +1.38% |
| 2026-08-05 | 2136.50 | 2136.50 | 2095.43 | 2111.91 | 19K | -0.28% |
| 2026-08-04 | 2098.30 | 2127.88 | 2070.00 | 2117.86 | 24K | +0.78% |
| 2026-08-03 | 2119.19 | 2136.00 | 2086.77 | 2101.47 | 20K | +0.18% |
| 2026-07-31 | 2105.57 | 2129.32 | 2084.99 | 2097.73 | 13K | -0.99% |
| 2026-07-30 | 2151.30 | 2151.30 | 2087.20 | 2118.61 | 19K | -1.48% |
| 2026-07-29 | 2186.21 | 2211.00 | 2125.64 | 2150.34 | 21K | -2.37% |
| 2026-07-28 | 2175.60 | 2218.61 | 2171.30 | 2202.61 | 17K | +0.40% |
| 2026-07-27 | 2201.75 | 2231.00 | 2182.58 | 2193.94 | 19K | -0.64% |
| 2026-07-24 | 2178.36 | 2233.66 | 2158.61 | 2208.05 | 12K | +1.43% |
| 2026-07-23 | 2176.75 | 2208.00 | 2146.51 | 2176.85 | 13K | -0.25% |
| 2026-07-22 | 2192.00 | 2211.04 | 2161.29 | 2182.32 | 16K | -0.50% |
| 2026-07-21 | 2201.51 | 2222.50 | 2167.98 | 2193.26 | 14K | -0.81% |
| 2026-07-20 | 2214.50 | 2249.05 | 2209.73 | 2211.22 | 16K | -0.01% |
| 2026-07-17 | 2198.24 | 2239.95 | 2198.24 | 2211.52 | 13K | +0.68% |
| 2026-07-16 | 2126.10 | 2203.64 | 2126.10 | 2196.48 | 21K | +2.65% |
| 2026-07-15 | 2162.60 | 2173.75 | 2125.84 | 2139.73 | 15K | -1.29% |
WTM Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
Peer Comparison
Compare growth, multiples, and margins vs sector.
WTM — Frequently Asked Questions
Quick answers to the most common questions about buying WTM stock.
How has WTM stock performed recently?
WTM returned +15.1% over the past year, beating its 5-year annualized CAGR of +13.5%. The stock trades below its 200-day moving average, confirming the uptrend.
What is WTM's all-time high price?
White Mountains Insurance Group, Ltd. reached $2333.00 on 2026-04-17. The 52-week high is $2333.00. Current 1-year return of +15.1% places the stock closer to historical peaks.
Where can I download WTM historical price data?
This page provides WTM daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 1985-2026, downloadable in CSV format.