NYSE: WTM

White Mountains Insurance (WTM) Stock Analysis & Forecast

Sep 28 close

$2,014.97−13.65 (−0.7%)

Gekko Brief

AI summary

White Mountains Insurance draws attention this week from a quantitative signal piece flagging weak near-term sentiment as a downside risk, alongside commentary noting that WTM's roughly $4.6 billion market capitalization keeps its valuation well below larger insurers such as Chubb and American International Group. Separately, Corient Private Wealth LP reduced its WTM stake by 56.3% in the second quarter, retaining shares valued at $1.27 million, while Bank of America Corp DE added to its position during the same period.

WTM closed at $2014.97, down 0.7%, sitting below both its 50-day average of $2110.33 and its 200-day average of $2128.75, with the 50-day itself below the 200-day. Shorter-term returns have been negative, down 5.3% over one month, 3.6% over three months and 6.4% over six months, though the one-year return stands at 19.3%. The GekkoIndex reads 69.2, placing WTM in the Accumulation zone, while the price sits 9.7% above Gekko Fair Value.

The next earnings report is scheduled for 5 November 2026, before the open, 37 days out and beyond a typical 20-trading-day holding window; the prior quarter saw EPS of $0.81 against a $0.75 estimate and a 1.8% reaction. Smart-money data shows one billionaire holder, with no insider, Congress or unusual options activity recorded in their respective windows. Seasonally, the next 20 trading days have averaged a 4.9% gain over five years, rising in 3 of those years, a pattern worth noting alongside the current gap to Gekko Fair Value.

Written by AI and checked automatically against the figures on this page. Generated Sep 29, 2026 from the data above.

White Mountains Insurance price vs fair value

$2,015$1,837Sep ’25Mar ’26Sep ’26
Close $2,014.97200-day averageGekko Fair Value $1,836.92

White Mountains Insurance quick facts

Market cap
$4.99B
P/E ratio
4.6
Forward P/E
13.9
EPS, TTM
$436.51
Revenue, TTM
$2.98B
Profit margin
37.7%
Dividend yield
0.05%
Beta
0.30
Volume
15,115 avg 20,927
1-year return
+19.3%
Typical daily move
±1.8%
Typical 20-day move
±3.3%
50-day average
$2,110.33
200-day average
$2,128.75
Next earnings
Nov 5 before open
Shares outstanding
2.39M
52-week range
$1,648.00$2,333.00

White Mountains Insurance swing-trade checklist

White Mountains Insurance scores 3 supportive, 0 mixed and 2 headwinds across the 5 checklist items with data.

Six things swing traders check before a 20-day hold, read from the latest data.

3 supportive0 mixed2 headwinds

  • Trendheadwind

    Below 50 and 200-day

    Close $2014.97 is below the 50-day ($2110.33) and 200-day ($2128.75) averages, and the 50-day is below the 200-day.

    See the chart
  • GekkoIndexsupportive

    69.2, Accumulation

    Reading 69.2 is in the Accumulation zone.

    See the GekkoIndex
  • Fair valueheadwind

    9.7% above

    Price is 9.7% above Gekko Fair Value (more than 5% above).

    See fair value
  • Smart moneyno data

    No data

    No insider, Congress or unusual options activity in the window.

    See smart money
  • Earnings risksupportive

    Reports in 37 days

    Next report Nov 5, 2026, 37 days away — outside a typical 20-trading-day hold.

    See earnings
  • Seasonalitysupportive

    +4.9% on average

    From this point in the calendar, the next 20 trading days averaged +4.9% over 5 years, rising in 3 of them.

    See seasonality

A description of current data, not a recommendation. How this page works

White Mountains Insurance stock chart and price history

White Mountains Insurance closed at $2,014.97 on Sep 28, 2026, +19.3% over the past year, inside a 52-week range of $1,648.00 to $2,333.00.

Close50-day average200-day averageVolume
White Mountains Insurance share price, past year, with 50-day and 200-day moving averages and volume$1800$2200NovDecJan 2026FebMarAprMayJunJulAugSep2014.97

Use the left and right arrow keys to read daily values.

Performance Breakdown

1 month
−5.3%
3 months
−3.6%
6 months
−6.4%
1 year
+19.3%
The full WTM chart adds GekkoIndex, insider, options, Congress and hedge fund markers, plus TrendCandles™.Open WTM in Gekko

Follow White Mountains Insurance through every session

Put WTM on a Gekko watchlist and see its GekkoIndex, Gekko Fair Value and smart money signals update on the chart as they change.

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About White Mountains Insurance

White Mountains Insurance writes and reinsures a broad range of coverage across the United States, the United Kingdom, Bermuda and other markets. Its offerings span property, specialty lines such as aviation, cyber, marine, mortgage, nuclear, space and terrorism risk, casualty coverage including medical malpractice and liability, and accident and health products like travel, disability and short-term life insurance, distributed through brokers, managing general agents and reinsurance intermediaries. It is also known for reinsuring municipal bond guarantees tied to public infrastructure projects such as schools, utilities and transportation.

The group is organized into segments including Ark/WM Outrigger, HG Global, Kudu, Distinguished and Other Operations. Beyond underwriting, it provides capital and advisory services to boutique asset and wealth managers facing ownership transitions, buyouts or growth financing, along with investment management and specialty electrical contracting work. It also acts as a program administrator and managing general agent for property and casualty risk in the real estate and hospitality sectors, and for leisure travel and expatriate medical insurance in Israel, the European Union and Australia.

Incorporated in 1980 and previously named Fund American Enterprises Holdings, Inc., the company took its current name in 1999. It is headquartered in Hamilton, Bermuda, and its shares are listed on the NYSE under the ticker WTM.

Listed
NYSE
Sector
Finance
Industry
Multi-line insurance
Website
whitemountains.com

White Mountains Insurance GekkoIndex: the smart money zone

White Mountains Insurance’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 69.2, in the Accumulation zone, up 4.1 points over five sessions.

010069.2Accumulation

Up 4.1 points over five sessions.

Reading for Sep 28, 2026

What followed past readings in each zone

ZoneReadings5 days10 days20 days50 days
Buying16+0.3%+1.0%+4.3%+4.4%
Accumulation (current zone)197+0.8%+1.9%+2.4%+4.1%
Neutral4300.0%−0.2%0.0%+0.8%
Distribution12−0.1%−0.7%+1.3%+4.7%
Selling3Too few readings yet

Average WTM share-price change over the trading days after each daily reading in its GekkoIndex history. Across every stock Gekko tracks, Accumulation readings averaged +2.3% over 20 days. Past behaviour doesn’t guarantee future results.

Accumulation zone: Institutional interest building. About the five zones →

See every daily GekkoIndex reading plotted over the WTM price, zone by zone.Track WTM in Gekko

Is White Mountains Insurance stock overvalued? Gekko Fair Value

White Mountains Insurance trades 9.7% above Gekko Fair Value of $1,836.92, so the shares are overvalued on Gekko’s estimate.

Gekko’s own estimate of what White Mountains Insurance shares are worth, recalculated every trading day.

$1,836.92

Gekko Fair Value, Sep 26, 2026

9.7% Overvalued

How Gekko Fair Value works →

Gekko Fair Value on every chart, with the gap to price updating daily.Open WTM in Gekko

White Mountains Insurance insider and Congress trading

No open-market insider purchases were filed for White Mountains Insurance, and no Congress trades were disclosed, in the last 90 days.

Plus buybacks, unusual options and fund positions, each dated to when it became public.

Insider buying last 90 days

No open-market insider purchases were filed for WTM in the last 90 days.

From Form 4 filings, dated to when each was filed.

Every WTM insider filing, plotted on the chart in Gekko.Open WTM in Gekko

Congress trades last 90 days

No trades in WTM were disclosed by members of Congress in the last 90 days.

From congressional disclosures, which report amounts as ranges.

Congress disclosures for WTM, plotted on the chart in Gekko.Open WTM in Gekko

Buybacks

White Mountains Insurance has been buying back its own shares.

Bought back, quarter ended Jun 30, 2026
$216.8M
As a share of market cap
4.34%

From company filings.

Hedge funds and billionaires quarter ended Jun 30

1of the funds Gekko tracks holds WTM.

0added0opened1trimmed0sold out
Which funds are on each side, name by name.Unlock in Gekko

White Mountains Insurance earnings: next date and track record

White Mountains Insurance reports on Nov 5, 2026, before the open (37 days away), and beat the EPS estimate in 1 of its last 8 reports.

1 of 8reports beat the EPS estimate
±2.2%average move across the report
4 of 8reports followed by a gain

Share-price move across each report

+5.8%Nov ’24−3.4%Feb ’25+0.5%May ’25−1.7%Aug ’25+0.6%Nov ’25−1.3%Feb ’26−2.7%May ’26+1.8%Aug ’26
ReportedEPSSurpriseRevenueSurpriseMove
Aug 6, 2026$0.81
est $0.75
+7.4%$844.6M
est $844.6M
0.0%+1.8%
May 6, 2026−$12.59
est −$4.00
−214.4%$515.4M
est $515.4M
0.0%−2.7%
Feb 6, 2026$3.27
est $3.79
−13.8%$576.1M
est $576.1M
0.0%−1.3%
Nov 6, 2025$44.19
est $57.00
−22.5%$864.2M
est $864.2M
0.0%+0.6%
Aug 7, 2025$47.75
est $57.00
−16.2%$689.2M—−1.7%
May 7, 2025−$20.50
est −$14.00
−46.4%$413.2M—+0.5%
Feb 7, 2025−$0.51
est −$0.33
−53.9%$358.0M—−3.4%
Nov 6, 2024$0.70
est $0.99
−29.6%$157.6M—+5.8%

“Move” is the close of the first session after the report compared with the close of the last session before it, so it reads the same whether the company reported before the open or after the close.

White Mountains Insurance stock forecast and analyst price targets

Analysts’ average 12-month price target for White Mountains Insurance is $360.00, −82.1% from the last close.

$360.00consensus 12-month target, −82.1% from the last close
+2.4%average 20-day move after past Accumulation readings
+4.9%average move over the next 20 trading days in the last 5 years
±1.8%typical daily move, from the 14-day average range

Gekko doesn’t publish price predictions. These are analyst targets and historical base rates, which don’t guarantee future results.

White Mountains Insurance seasonality: the next 20 trading days

Over the next 20 trading days from Sep 29, White Mountains Insurance averaged +4.9% across the last 5 years, rising in 3 of them.

Next 20 trading days, by year

−1.9%2021+6.9%2022−3.2%2023+7.3%2024+15.2%2025

Average move and hit rate

WindowAverageYears higher
Next 5 trading days+4.2%5 of 5
Next 10 trading days+5.1%4 of 5
Next 15 trading days+5.5%3 of 5
Next 20 trading days+4.9%3 of 5
Next 30 trading days+6.4%5 of 5

For scale, WTM’s typical 20-trading-day move in either direction is about 3.3%.

White Mountains Insurance market cap and key statistics

White Mountains Insurance’s market cap is $4.99B, with a P/E ratio of 4.6 and revenue of $2.98B over the last twelve months.

Valuation

Market cap
$4.99B
P/E ratio
4.6
Forward P/E
13.9
EPS, TTM
$436.51
Gekko Fair Value
$1,836.92

Trading

Volume
15,115
Avg volume, 20 days
20,927
52-week high
$2,333.00
52-week low
$1,648.00
Shares outstanding
2.39M

Financials

Revenue, TTM
$2.98B
Profit margin
37.7%
Return on equity
20.4%
Quarterly earnings growth, YoY
+68.8%

Risk and income

Beta
0.30
Typical daily move
±1.8%
Typical 20-day move
±3.3%
Dividend yield
0.05%

White Mountains Insurance stock news this week

Coverage of White Mountains Insurance this week reads neutral: 1 positive, 2 neutral and 1 negative headlines.

News sentiment neutral

White Mountains Insurance peers

White Mountains Insurance’s 6 largest industry peers by market value, with today’s move, GekkoIndex zone and gap to Gekko Fair Value.

StockTodayGekkoIndex zonevs Fair Value
PGRProgressive+1.7%Accumulation5.2% below
MFCManulife Financial−0.4%Neutral8.8% above
METMetLife−1.7%Neutral4.2% below
ALLAllstate−0.5%Buying13.8% below
AFLAFLAC−0.4%Accumulation4.8% below
SLFSun Life Financial−0.5%Neutral7.1% above

A peer links to its own page where one exists.

In the Buying zone today

Reporting earnings this week

Popular on Gekko

White Mountains Insurance stock FAQ

What is White Mountains Insurance’s market cap?

White Mountains Insurance’s market cap is $4.99B at the Sep 28, 2026 close of $2,014.97, with 2.39M shares outstanding. The shares trade on a P/E ratio of 4.6.

What is the White Mountains Insurance stock forecast?

The consensus analyst 12-month price target for White Mountains Insurance is $360.00, −82.1% from the last close. Gekko doesn’t publish price predictions of its own.

Is White Mountains Insurance stock overvalued or undervalued?

On Gekko’s estimate White Mountains Insurance is overvalued: the Sep 28, 2026 close of $2,014.97 is 9.7% above Gekko Fair Value of $1,836.92. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.

When does White Mountains Insurance report earnings next?

White Mountains Insurance is expected to report on Nov 5, 2026, before the market opens (37 days away). Analysts expect earnings of $34.00 per share on revenue of $934.4M. White Mountains Insurance beat the earnings estimate in 1 of its last 8 reports, moving 2.2% on average across the report.

What is White Mountains Insurance’s 52-week high and low?

White Mountains Insurance’s 52-week high is $2,333.00 and its 52-week low is $1,648.00; it closed at $2,014.97 on Sep 28, 2026, +19.3% over the past year.

Is White Mountains Insurance stock a buy right now?

Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 3 of the 5 items with data read as supportive (gekkoindex, earnings risk and seasonality) and 2 as headwinds (trend and fair value). The checklist is a description of current data, not a recommendation.

How this page works

During US trading hours the price at the top of the page is a delayed quote, refreshed every 15 minutes; everything else is rebuilt after each US market close. The GekkoIndex, Gekko Fair Value and the checklist are Gekko’s own, and the Gekko Brief is written by AI from this page’s data and checked against it before it is published. How Gekko’s data works →

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