Last 48 quarters of trend data · Financial Services · Insurance - Property & Casualty
Quarterly valuation ratios — annualised for comparability. YoY Δ shows same-quarter-prior-year change.
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P/E Ratio → | 4.87 | — | 1.59 | 9.46 | 9.41 | 36.50 | — | 6.08 | — | 4.86 | 3.36 | 40.47 | 45.45 |
| — | — | — | +55.4% | — | +651.3% | — | -85.0% | — | -1.5% | -81.3% | — | — | |
| P/S Ratio | 1.92 | — | 2.30 | 1.23 | 1.66 | 2.12 | 3.49 | 1.13 | 2.91 | 1.75 | 1.31 | 1.82 | 2.32 |
| — | — | -34.0% | +9.1% | -43.1% | +20.7% | +166.7% | -38.0% | +25.6% | +6.7% | -37.1% | -25.2% | -80.6% | |
| P/B Ratio | 0.85 | 3.51 | 0.85 | 0.74 | 0.85 | 0.95 | 0.97 | 0.82 | 0.94 | 0.93 | 0.84 | 0.91 | 0.85 |
| — | +268.9% | -12.8% | -9.0% | -9.5% | +2.5% | +15.2% | -9.9% | +11.1% | +8.7% | -8.7% | -5.8% | -19.0% | |
| P/FCF | — | — | 21.61 | 2.96 | 6.43 | — | 19.48 | 3.99 | 4.77 | 31.11 | 39.33 | 4.23 | 12.33 |
| — | — | +10.9% | -25.9% | +34.9% | — | -50.5% | -5.8% | -61.4% | +204.6% | +1045.6% | -44.5% | -33.2% | |
| EV / EBITDA | 4.39 | — | 1.61 | 6.47 | 7.14 | 17.88 | — | 4.95 | — | 5.35 | 3.35 | 66.07 | 65.74 |
| — | — | — | +30.5% | — | +234.4% | — | -92.5% | — | +9.3% | -57.2% | — | — | |
| EV / EBIT | 4.39 | — | 1.61 | 5.89 | 6.43 | 14.57 | — | 4.58 | — | 4.98 | 3.11 | 28.37 | 31.00 |
| — | — | — | +28.7% | — | +192.9% | — | -83.9% | — | +10.6% | -55.5% | — | — |
Quarterly margins and returns. Watch for margin compression across consecutive quarters.
White Mountains Insurance Group, Ltd.'s operating margin was -39.8% in Q1 2026, down 196.2 pp QoQ and down 52.3 pp YoY. The trailing four-quarter average of 40.7% exceeds the current quarter, suggesting the latest result may reflect seasonal weakness or a one-off headwind. Gross margin contracted 132.6% YoY, suggesting cost inflation or competitive pricing pressure.
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 53.7% | -11.5% | 66.1% | 54.0% | 58.5% | 35.2% | 9.8% | 56.0% | 34.3% | 58.8% | 70.4% | 31.1% | 39.1% |
| — | -132.6% | +574.0% | -3.6% | +70.7% | -40.1% | -86.1% | +80.4% | -12.4% | -2.8% | +5.8% | +28.0% | +130.4% | |
| Operating Margin | 49.1% | -39.8% | 156.4% | 20.7% | 25.6% | 12.5% | -33.7% | 25.1% | -8.8% | 35.9% | 44.5% | 4.1% | 4.6% |
| — | -417.4% | +563.9% | -17.6% | +391.8% | -65.1% | -175.8% | +518.5% | -289.8% | -4.0% | +50.9% | +150.2% | +101.5% | |
| Net Margin | 40.9% | -7.3% | 145.1% | 13.2% | 17.8% | 5.9% | -36.4% | 18.8% | -13.8% | 36.5% | 38.9% | 4.5% | 5.2% |
| — | -224.5% | +498.3% | -29.8% | +229.1% | -83.9% | -193.7% | +313.3% | -366.7% | +8.2% | +321.2% | -98.0% | +102.3% |
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | 19.4% | -0.7% | 14.0% | 2.1% | 2.3% | 0.7% | -2.5% | 3.5% | -1.1% | 5.0% | 6.6% | 0.6% | 0.5% |
| — | -205.6% | +656.3% | -41.7% | +309.7% | -86.8% | -138.2% | +520.5% | -334.5% | +11.9% | +534.0% | -97.6% | +110.1% | |
| ROA | 10.0% | -0.3% | 6.8% | 0.9% | 1.1% | 0.3% | -1.3% | 1.7% | -0.6% | 2.6% | 3.5% | 0.3% | 0.2% |
| — | -186.4% | +626.8% | -46.1% | +294.8% | -87.7% | -137.1% | +511.1% | -330.3% | +12.4% | +540.8% | -97.6% | +110.7% | |
| ROIC | 16.1% | -2.7% | 10.3% | 2.2% | 2.3% | 1.0% | -1.6% | 3.3% | -0.5% | 3.4% | 5.1% | 0.3% | 0.3% |
| — | -367.9% | +734.2% | -32.5% | +569.3% | -70.8% | -131.8% | +856.4% | -270.8% | -1.2% | +125.5% | +159.5% | +106.5% |
Quarterly solvency trend — watch for debt spikes or covenant pressure.
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 0.13 | — | 0.13 | 0.13 | 0.13 | 0.13 | 0.11 | 0.10 | 0.11 | 0.11 | 0.12 | 0.14 | 0.14 |
| — | — | +22.1% | +29.3% | +19.5% | +20.9% | -11.4% | -23.6% | -20.7% | -20.0% | -15.3% | -14.8% | -22.5% | |
| Debt / EBITDA | 0.63 | — | 0.91 | 4.23 | 3.95 | 9.20 | — | 2.30 | — | 2.31 | 1.76 | 35.74 | 37.99 |
| — | — | — | +83.8% | — | +298.5% | — | -93.6% | — | -18.4% | -61.3% | — | — | |
| Current Ratio | 1.14 | — | — | — | — | 1.09 | 12.82 | 1.39 | — | — | — | — | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | |
| Quick Ratio | 1.14 | — | — | — | — | 1.09 | 12.82 | 1.39 | — | — | — | — | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | |
| Interest Coverage | 23.93 | -36.12 | 369.24 | 9.98 | 10.49 | 5.07 | -7.56 | 15.34 | -1.34 | 16.30 | 19.42 | 2.34 | 2.23 |
| — | — | — | — | — | — | — | — | — | — | — | — | — |
Includes 30+ ratios · 48 years · Updated daily
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White Mountains Insurance Group, Ltd.'s current P/E is 4.9x. The average P/E over the last 3 quarters is 6.8x. Quarterly P/E ratios can vary due to seasonal revenue patterns and one-time charges.
White Mountains Insurance Group, Ltd.'s current operating margin is 49.1%. Margins have been compressing over recent quarters. Quarterly margins are particularly useful for identifying trend inflections that annual data smooths over.
Quarterly financial ratios reveal short-term trend shifts — margin compression, debt spikes, or valuation re-ratings — that annual figures smooth over. They're essential for active investors tracking White Mountains Insurance Group, Ltd.'s business trajectory between earnings reports.