White Mountains Insurance GroupWTM.NValuation Analysis
Based on the blended 10-year P/E and P/B percentiles, the stock currently sits in the “Fair Value Range” zone.
As of Oct 16, 2026, White Mountains Insurance Group (WTM.N) trades at a P/E of 4.59x, P/B of 0.96x, P/S of 1.35x, and a dividend yield of 0.04%.
Longitudinal percentile comparison: P/E sits at the 16th percentile over the trailing 10Y window (vs. 10th percentile over 3Y); P/B sits at the 36th percentile over the trailing 10Y window (vs. 13th percentile over 3Y); P/S sits at the 2nd percentile over the trailing 10Y window (vs. 8th percentile over 3Y).
Cross-sectional valuation: its P/E ranks at the 4th percentile within its industry and the 5th percentile across the broader market.
Shareholder return highlight: Total Shareholder Yield is 3.97%, ranking at the 48th percentile over the trailing 20Y window.
The P/E and P/B percentiles diverge here, differing by 20.0 points — relying on either metric alone could be misleading. Its P/E percentile is roughly the same whether measured against the industry or the broader market. Shareholder returns here lean heavily on buybacks rather than cash dividends. White Mountains Insurance Group operates in the Finance, Insurance, And Real Estate sector. Data refreshes weekly and is for reference only, not investment advice.
Also listed as: NYSE: WTM · WTM
Want the full picture on whether White Mountains Insurance Group (WTM.N) is under- or over-valued? See the full 3Y / 5Y / 10Y / 20Y P/E, P/B, P/S, Dividend Yield & Total Shareholder Yield percentile matrix and the interactive ECharts trend chart on this page.
Historical Percentiles by Metric
| Metric | Current | Market Percentile | Industry Percentile | 3Y Pctl | 5Y Pctl | 10Y Pctl | 20Y Pctl |
|---|---|---|---|---|---|---|---|
| P/E (TTM) | 4.59 | ||||||
| P/B (MRQ) | 0.96 | ||||||
| P/S (TTM) | 1.35 | ||||||
| Dividend Yield | 0.04% | ||||||
| Buyback + Div Yield | 3.97% |