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ISIN
BMG9618E1075
CUSIP
G9618E107
IPO Date
May 9, 1986

Highlights

EPS (TTM)
$547.49
PE Ratio
3.67
PEG Ratio
0.05
Total Revenue (TTM)
$2.50B
Gross Profit (TTM)
$1.21B
EBITDA (TTM)
$1.17B
Year Range
$1,648.00 - $2,333.00
ROA (TTM)
14.65%
ROE (TTM)
19.45%

Share Price Chart


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Performance

WTM Performance Chart

White Mountains Insurance Group, Ltd. (WTM) is down 3.2% since the beginning of the year. At $2,011 per share, WTM is trading 13.8% below its 52-week high of $2,333. Investors who bought $1,000 worth of WTM shares 5 years ago would now be looking at an investment worth $1,804.


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S&P 500 Index

Returns By Period

White Mountains Insurance Group, Ltd. (WTM) has returned -3.19% so far this year and 15.19% over the past 12 months. Over the last ten years, WTM has returned 9.56% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.


White Mountains Insurance Group, Ltd.

1D
-0.13%
1M
-6.34%
YTD
-3.19%
6M
-3.43%
1Y
15.19%
3Y*
14.20%
5Y*
12.52%
10Y*
9.56%

Benchmark (S&P 500 Index)

1D
-0.37%
1M
-0.01%
YTD
9.16%
6M
8.64%
1Y
25.22%
3Y*
19.78%
5Y*
11.99%
10Y*
13.88%
*Multi-year figures are annualized to reflect compound growth (CAGR)

WTM Monthly Returns History

Based on dividend-adjusted daily data since May 9, 1986, WTM's average daily return is +0.05%, while the average monthly return is +1.10%. At this rate, an investment would double in approximately 5.3 years.

Historically, 58% of months were positive and 42% were negative. The best month was Sep 2000 with a return of +67.8%, while the worst month was Oct 2008 at -26.7%. The longest winning streak lasted 8 consecutive months, and the longest losing streak was 7 months.

On a daily basis, WTM closed higher 49% of trading days. The best single day was Aug 2, 1990 with a return of +30.5%, while the worst single day was Dec 23, 1993 at -17.9%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026-1.59%8.59%-1.02%1.59%-7.49%-2.62%-3.19%
2025-0.65%-4.29%4.18%-8.22%0.98%0.61%-0.44%2.37%-8.67%13.94%6.28%2.66%6.89%
20244.71%12.02%1.69%-0.90%1.62%0.58%-1.73%3.26%-8.03%5.95%11.84%-3.23%29.31%
20238.03%-5.52%-4.51%3.97%-5.44%2.56%11.38%2.69%-5.85%-4.34%7.07%-1.76%6.49%
20222.67%0.89%8.30%-7.76%18.78%0.10%-0.54%10.53%-4.89%8.68%-4.05%4.08%39.63%
20211.93%17.16%-6.63%4.53%2.40%-3.80%-1.43%-0.95%-4.57%-1.37%-4.94%1.10%1.41%

Benchmark Metrics

White Mountains Insurance Group, Ltd. has an annualized alpha of 7.98%, beta of 0.60, and R2 of 0.18 versus S&P 500 Index. Calculated based on daily prices since May 09, 1986.

  • This stock participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (57.47%) than losses (35.85%) - typical of diversified or defensive assets.
  • Beta of 0.60 may look defensive, but with R2 of 0.18 this stock is largely uncorrelated with S&P 500 Index - low beta reflects independence, not downside protection. See the Volatility section for a true picture of this stock's risk.
  • R2 of 0.18 means this stock moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

Alpha
7.98%
Beta
0.60
0.18
Upside Capture
57.47%
Downside Capture
35.85%

Return for Risk

Risk / Return Rank

WTM ranks 62 for risk / return — better than 62% of stocks on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.


WTM Risk / Return Rank: 6262
Overall Rank
WTM Sharpe Ratio Rank: 6363
Sharpe Ratio Rank
WTM Sortino Ratio Rank: 5959
Sortino Ratio Rank
WTM Omega Ratio Rank: 5757
Omega Ratio Rank
WTM Calmar Ratio Rank: 6464
Calmar Ratio Rank
WTM Martin Ratio Rank: 6969
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for White Mountains Insurance Group, Ltd. (WTM) and compare them to S&P 500 Index.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.


WTMBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-1.39

Sortino ratioReturn per unit of downside risk

-1.60

Omega ratioGain probability vs. loss probability

1.14

1.37

-0.23

Calmar ratioReturn relative to maximum drawdown

1.07

2.78

-1.71

Martin ratioReturn relative to average drawdown

3.19

12.44

-9.25

Dividends

Dividend History

White Mountains Insurance Group, Ltd. provided a 0.05% dividend yield over the last twelve months, with an annual payout of $1.00 per share. The company has been increasing its dividends for 16 consecutive years.


0.06%0.08%0.10%0.12%0.14%$0.00$0.20$0.40$0.60$0.80$1.0020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$1.00$1.00$1.00$1.00$1.00$1.00$1.00$1.00$1.00$1.00$1.00$1.00

Dividend yield

0.05%0.05%0.05%0.07%0.07%0.10%0.10%0.09%0.12%0.12%0.12%0.14%

Monthly Dividends

The table displays the monthly dividend distributions for White Mountains Insurance Group, Ltd.. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.00$1.00$0.00$0.00$0.00$1.00
2025$0.00$0.00$1.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$1.00
2024$0.00$0.00$1.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$1.00
2023$0.00$0.00$1.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$1.00
2022$0.00$0.00$1.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$1.00
2021$0.00$0.00$1.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$1.00

Dividend Yield & Payout


Dividend Yield

White Mountains Insurance Group, Ltd. has a dividend yield of 0.05%, which signifies it pays a smaller percentage of its stock price in dividends to its shareholders compared to other companies in the market.

Payout Ratio

White Mountains Insurance Group, Ltd. has a payout ratio of 0.23%, which is below the market average. This means White Mountains Insurance Group, Ltd. returns a smaller proportion of its earnings to shareholders as dividends, suggesting it retains a higher portion for reinvestment, growth, or debt payment.

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


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Worst Drawdowns

The table below displays the maximum drawdowns of the White Mountains Insurance Group, Ltd.. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the White Mountains Insurance Group, Ltd. was 77.47%, occurring on Mar 9, 2009. Recovery took 1448 trading sessions.

The current White Mountains Insurance Group, Ltd. drawdown is 13.31%.


Related event

Drawdown

Fall

Recovery

Underwater

Financial crisis2007–2009
-77.47%Mar 2009
3y 6mo5y 9mo
9y 2moSep 2005 - Dec 2014
Black Monday1987
-42.05%Dec 1987
9mo2y 7mo
3y 4moMar 1987 - Aug 1990
COVID crash2020
-40.16%Mar 2020
1mo 5d10mo 29d
12mo 4dFeb 2020 - Feb 2021
1994 bear market1994
-34.51%May 1994
7mo 4d2y 3mo
2y 10moOct 1993 - Aug 1996
Dot-com crash2000–2002
-32.35%Mar 2000
1y 7mo3mo 8d
1y 11moJul 1998 - Jun 2000

Drawdown Indicators


WTMBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-77.47%

-56.78%

-20.69%

Max Drawdown (1Y)

Largest decline over 1 year

-14.22%

-9.10%

-5.12%

Max Drawdown (3Y)

Largest decline over 3 years

-18.05%

-18.90%

+0.85%

Max Drawdown (5Y)

Largest decline over 5 years

-18.05%

-25.43%

+7.38%

Max Drawdown (10Y)

Largest decline over 10 years

-40.16%

-33.92%

-6.24%

Current Drawdown

Current decline from peak

-13.31%

-1.80%

-11.51%

Average Drawdown

Average peak-to-trough decline

-14.15%

-10.71%

-3.44%

Ulcer Index

Depth and duration of drawdowns from previous peaks

4.78%

2.03%

+2.75%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Financials

Financial Performance

The chart below illustrates the trends in the financial health of White Mountains Insurance Group, Ltd. over time, highlighting three key metrics: Total Revenue, Earnings Before Interest and Taxes (EBIT), and Net Income.


Annual
Quarterly

0.0

Valuation

The Valuation section provides an overview of how White Mountains Insurance Group, Ltd. is priced in the market compared to other companies in the Insurance - Property & Casualty industry. It includes key financial ratios that help investors assess whether the stock is undervalued or overvalued.


PE Ratio

The chart displays the Price-to-Earnings (P/E) ratio for WTM, comparing it with other companies in the Insurance - Property & Casualty industry. Currently, WTM has a P/E ratio of 3.7. This P/E ratio is considered low compared to industry peers, which may suggest that the stock is undervalued or that the company has weaker growth prospects.

PEG Ratio

The chart shows the Price/Earnings to Growth (PEG) ratio for WTM compared to other companies in the Insurance - Property & Casualty industry. WTM currently has a PEG ratio of 0.0. This PEG ratio is low compared to industry peers, which could indicate the stock is undervalued relative to its expected growth.

PS Ratio

This chart shows the Price-to-Sales (P/S) ratio for WTM relative to other companies in the Insurance - Property & Casualty industry. Currently, WTM has a P/S ratio of 1.5. This P/S ratio falls within the average range for the industry, suggesting the stock is fairly valued based on its revenue.

Income Statement



TTM
Revenue

Total Revenue

Cost Of Revenue

Gross Profit

Operating Expenses

Selling, General & Admin Expenses

R&D Expenses

Depreciation And Amortization

Total Operating Expenses

Income

Income Before Tax

Operating Income

EBITDA

EBIT

Earnings From Continuing Operations

Net Income

Income Tax Expense

Other Non-Operating Income (Expenses)

Extraordinary Items

Discontinued Operations

Effect Of Accounting Charges

Non Recurring

Minority Interest

Other Items

Interest Income

Interest Expense

Net Interest Income

Values in undefined except per share items
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