WTM (White Mountains Insurance Group) PEG Ratio: N/A (As of Jun. 27, 2026)


WTM White Mountains Insurance Group Ltd WTM
75 GF Score
Price $2,096.56
GF Value $2,347.26
Valuation Modestly Undervalued
! 3 Warning Signs
View Full Analysis

What is White Mountains Insurance Group PEG Ratio?

PE Ratio without NRI / 5-Year EBITDA Growth Rate*

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The growth rate we use is the 5-Year EBITDA growth rate. As of today, White Mountains Insurance Group's PE Ratio without NRI is 12.90. White Mountains Insurance Group's 5-Year EBITDA growth rate is 0.00%. Therefore, White Mountains Insurance Group's PEG Ratio for today is N/A.

* The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.


The historical rank and industry rank for White Mountains Insurance Group's PEG Ratio or its related term are showing as below:



WTM's PEG Ratio is not ranked *
in the Insurance industry.
Industry Median: 0.82
* Ranked among companies with meaningful PEG Ratio only.

Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.


White Mountains Insurance Group  (NYSE:WTM) PEG Ratio Explanation

To compare stocks with different growth rates, Peter Lynch invented a ratio called PEG Ratio. PEG Ratio is defined as the P/E ratio divided by the growth ratio. He thinks a company with a P/E ratio equal to its growth rate is fairly valued. Still he said he would rather buy a company growing 20% a year with a P/E of 20, instead of a company growing 10% a year with a P/E of 10.


White Mountains Insurance Group PEG Ratio Related Terms


White Mountains Insurance Group PEG Ratio Historical Data

* Premium members only.

The historical data trend for White Mountains Insurance Group's PEG Ratio can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

White Mountains Insurance Group PEG Ratio Chart

White Mountains Insurance Group Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
PEG Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

White Mountains Insurance Group Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
PEG Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

WTM vs SIGI, MCY, RLI: PEG Ratio Comparison

For the Insurance - Property & Casualty subindustry, White Mountains Insurance Group's PEG Ratio, along with its competitors' market caps and PEG Ratio data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


White Mountains Insurance Group PEG Ratio vs Insurance Industry

For the Insurance industry and Financial Services sector, White Mountains Insurance Group's PEG Ratio distribution charts can be found below:

* The bar in red indicates where White Mountains Insurance Group's PEG Ratio falls into.


WTM
75GF Score
White Mountains Insurance Group Ltd WTM
PEG Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

White Mountains Insurance Group PEG Ratio Calculation

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The ratio we use is the 5-Year EBITDA growth rate.

White Mountains Insurance Group's PEG Ratio for today is calculated as

PEG Ratio=PE Ratio without NRI/5-Year EBITDA Growth Rate*
=12.903892906601/0.00
=N/A

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

* Note: The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.

Is White Mountains Insurance Group (WTM) Overvalued in 2026?

Based on GuruFocus' analysis, White Mountains Insurance Group stock appears to be undervalued. The current stock price of $2,096.56 is trading 10.7% below its estimated GF Value™ of $2,347.26. GuruFocus considers White Mountains Insurance Group to be Modestly Undervalued.

Key valuation signals for WTM:

  • PEG Ratio: N/A
  • GF Value™: $2,347.26 vs. price of $2,096.56 (10.7% below fair value)
  • GF Score™: 75/100 with 3 warning signs

No single metric tells the full story. See the WTM stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


White Mountains Insurance Group Business Description

Address 23 South Main Street, Suite 3B, Hanover, NH, USA, 03755-2053
White Mountains Insurance Group Ltd is engaged in the business of making opportunistic and value-oriented acquisitions of businesses and assets in the insurance, financial services, and related sectors, operating these businesses and assets through its subsidiaries and, if and when attractive exit valuations become available, disposing of these businesses and assets. The company conducts its business in five areas: property and casualty insurance and reinsurance, municipal bond reinsurance, capital solutions for asset and wealth management firms, property and casualty insurance distribution, and other operations. The company has four reportable segments: Ark/WM Outrigger, HG Global, Kudu and Distinguished.
75GF Score

Get the complete analysis for WTM

PEG Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$2,096.56
Price
$2,347.26
GF Value