WTMWhite Mountains Insurance Group, Ltd.
What is the market doing?
No clear lean: nothing decisive, though in a downtrend (−3% vs 200-day).
In a downtrend, below its 50- and 200-day averages. Price is −3% vs its 200-day average.
Moderately shorted, settled Sep 15, 2026, about a week of normal trading to cover. Up 2.8% since the previous count, up from 4.9% of shares outstanding three months ago.
Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.
How WTM is trading
White Mountains Insurance Group, Ltd. is +17% over the past year while the S&P 500 is +18%: 1.7 points behind the market.
1-year return · S&P 500 +18%
- vs 200-day average
- −2.8%
vs 200-day average · below trend, but not far
- RSI (14)
- 54
RSI (14) · neutral
- Below its 52-week high
- 11%
Below its 52-week high
Details›
- Last close2026-10-09
- $2,062.71
- 1 monthS&P 500 +2.7%
- −0.75%
- 1 yearS&P 500 +18%
- +17%
- 5 yearsS&P 500 +88%
- +93%
- vs 50-day average$2,086.26
- −1.1%
- 52-week high
- $2,319.41
- 52-week low
- $1,649.75
- Annualised volatility
- 23%
| Year | Return |
|---|---|
| 2026 (year to date) | −0.69% |
| 2025 | +6.9% |
| 2024 | +29% |
| 2023 | +6.5% |
| 2022 | +40% |
| 2021 | +1.4% |
| 2020 | −10% |
| 2019 | +30% |
| 2018 | +0.88% |
| 2017 | +1.9% |
| Month | Years | Positive | Average |
|---|---|---|---|
| Jan | 10 | 7 of 10 | +2.7% |
| Feb | 10 | 6 of 10 | +2.2% |
| Mar | 10 | 4 of 10 | −1.1% |
| Apr | 10 | 6 of 10 | +0.44% |
| May | 10 | 7 of 10 | +1.4% |
| Jun | 10 | 7 of 10 | +0.06% |
| Jul | 11 | 4 of 11 | +1.7% |
| Aug | 11 | 8 of 11 | +1.4% |
| Sep | 11 | 3 of 11 | −4.3% |
| Oct | 11 | 6 of 11 | +3.6% |
| Nov | 10 | 8 of 10 | +3.1% |
| Dec | 10 | 5 of 10 | −0.44% |
End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.
Insurance, Property & Casualty
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