Daily trading records

White Mountains Insurance Group Historical Stock Prices by Trading Day

Direct answer

Review 60 recent trading days for White Mountains Insurance Group.

The verified trading-day record runs from June 23, 2026 through September 16, 2026.
Select a date to review its open, high, low, close, volume and change from the prior session.
Daily aggregate prices are provided by Polygon.

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Review White Mountains Insurance Group's price trend and period performance.

The chart connects verified session closes from June 22, 2026 through September 16, 2026.

Closing-price trend by trading session

Period performance is calculated from verified trading sessions.

5-session performance

+0.56%

From the September 9, 2026 close of $2,050.81 to $2,062.37 on September 16, 2026.

20-session performance

-3.87%

From the August 18, 2026 close of $2,145.46 to $2,062.37 on September 16, 2026.

60-session performance

+2.57%

From the June 22, 2026 close of $2,010.75 to $2,062.37 on September 16, 2026.

White Mountains Insurance Group Historical prices
Historical pricesOpenHighLowCloseVolumePrior-close change
$2,041.02$2,074.41$2,040.01$2,062.3733,030+$16.43 (+0.80%)
$2,057.63$2,057.63$2,027.64$2,045.9419,781-$11.06 (-0.54%)
$2,068.77$2,070.02$2,045.025$2,057.0017,263+$3.85 (+0.19%)
$2,086.68$2,098.395$2,042.585$2,053.1520,090-$22.84 (-1.10%)
$2,062.20$2,084.125$2,043.1446$2,075.9930,073+$25.18 (+1.23%)
$2,051.63$2,055.70$2,037.00$2,050.8116,401-$1.67 (-0.08%)
$2,083.32$2,091.42$2,050.01$2,052.4827,069-$51.01 (-2.43%)
$2,100.00$2,117.80$2,073.35$2,103.4924,921-$8.74 (-0.41%)
$2,115.00$2,139.8899$2,081.01$2,112.2321,774+$7.48 (+0.36%)
$2,099.03$2,129.10$2,088.33$2,104.7520,088+$5.79 (+0.28%)
$2,107.85$2,125.76$2,093.43$2,098.9622,105-$3.05 (-0.15%)
$2,130.43$2,135.00$2,093.545$2,102.0121,811-$33.40 (-1.56%)
$2,133.03$2,150.00$2,117.49$2,135.4118,407+$7.84 (+0.37%)
$2,125.01$2,145.00$2,105.61$2,127.5723,496-$5.17 (-0.24%)
$2,134.74$2,164.9999$2,126.915$2,132.7416,137-$8.46 (-0.40%)
$2,135.75$2,146.038$2,120.00$2,141.2013,653+$8.90 (+0.42%)
$2,100.08$2,146.4982$2,100.08$2,132.3019,598+$21.35 (+1.01%)
$2,101.86$2,140.295$2,101.86$2,110.9528,889-$6.75 (-0.32%)
$2,123.90$2,131.84$2,095.01$2,117.7021,889-$11.50 (-0.54%)
$2,130.79$2,150.84$2,107.66$2,129.2020,040-$16.26 (-0.76%)
$2,125.49$2,157.695$2,090.0001$2,145.4622,587+$32.06 (+1.52%)
$2,130.23$2,145.475$2,107.78$2,113.4017,252-$23.72 (-1.11%)
$2,137.82$2,145.00$2,121.0901$2,137.1214,311-$4.30 (-0.20%)
$2,115.01$2,141.76$2,096.72$2,141.4228,682+$21.96 (+1.04%)
$2,134.01$2,152.19$2,094.04$2,119.4627,108+$7.45 (+0.35%)
$2,112.16$2,126.9899$2,093.6301$2,112.0121,081+$2.33 (+0.11%)
$2,148.61$2,172.1799$2,107.87$2,109.6827,211-$39.76 (-1.85%)
$2,132.00$2,168.31$2,112.60$2,149.4430,154+$8.35 (+0.39%)
$2,137.73$2,151.1999$2,112.92$2,141.0928,927+$29.18 (+1.38%)
$2,136.50$2,136.50$2,095.43$2,111.9119,315-$5.95 (-0.28%)
$2,098.30$2,127.875$2,070.00$2,117.8623,713+$16.39 (+0.78%)
$2,119.19$2,136.00$2,086.77$2,101.4719,947+$3.74 (+0.18%)
$2,105.57$2,129.315$2,084.99$2,097.7312,687-$20.88 (-0.99%)
$2,151.30$2,151.30$2,087.20$2,118.6119,100-$31.73 (-1.48%)
$2,186.21$2,210.9999$2,125.64$2,150.3421,163-$52.27 (-2.37%)
$2,175.60$2,218.61$2,171.30$2,202.6117,252+$8.67 (+0.40%)
$2,201.75$2,231.00$2,182.58$2,193.9418,599-$14.11 (-0.64%)
$2,178.36$2,233.66$2,158.606$2,208.0511,798+$31.20 (+1.43%)
$2,176.75$2,208.00$2,146.505$2,176.8512,489-$5.47 (-0.25%)
$2,192.00$2,211.04$2,161.29$2,182.3216,144-$10.94 (-0.50%)
$2,201.51$2,222.50$2,167.98$2,193.2613,538-$17.96 (-0.81%)
$2,214.50$2,249.05$2,209.73$2,211.2216,081-$0.30 (-0.01%)
$2,198.24$2,239.9499$2,198.24$2,211.5212,572+$15.04 (+0.68%)
$2,126.10$2,203.64$2,126.10$2,196.4821,220+$56.75 (+2.65%)
$2,162.60$2,173.745$2,125.835$2,139.7315,268-$28.06 (-1.29%)
$2,162.51$2,187.925$2,146.35$2,167.7921,213-$7.17 (-0.33%)
$2,192.70$2,203.36$2,157.50$2,174.9615,971-$6.23 (-0.29%)
$2,197.99$2,199.15$2,165.09$2,181.1918,517-$4.04 (-0.18%)
$2,167.02$2,189.815$2,159.7301$2,185.2325,905+$17.98 (+0.83%)
$2,164.98$2,179.585$2,147.50$2,167.2518,391+$1.40 (+0.06%)
$2,176.00$2,198.87$2,161.90$2,165.8514,273-$0.42 (-0.02%)
$2,165.26$2,182.90$2,145.32$2,166.2714,650-$7.54 (-0.35%)
$2,090.00$2,186.81$2,068.595$2,173.8125,519+$109.77 (+5.32%)
$2,077.50$2,101.10$2,050.0001$2,064.0417,589-$9.35 (-0.45%)
$2,075.60$2,098.495$2,057.34$2,073.3916,685-$17.55 (-0.84%)
$2,085.79$2,104.79$2,064.64$2,090.9413,245-$5.62 (-0.27%)
$2,023.79$2,096.56$2,023.79$2,096.5626,274+$76.86 (+3.81%)
$2,021.78$2,048.66$2,009.02$2,019.7014,353-$2.71 (-0.13%)
$2,026.75$2,044.04$2,006.15$2,022.4113,815-$1.22 (-0.06%)
$2,015.36$2,028.34$2,001.99$2,023.6316,377+$12.88 (+0.64%)

Verified data

Trading days shown
60
Coverage start
June 23, 2026
Coverage end
September 16, 2026
Display currency
USD
Market data provider
Polygon

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Read the frequently asked questions.

What is White Mountains Insurance Group's latest verified closing price?

White Mountains Insurance Group closed at $2,062.37 on September 16, 2026.

What period does White Mountains Insurance Group's price history cover?

The page shows 60 verified sessions from June 23, 2026 through September 16, 2026.

What data is included in White Mountains Insurance Group's daily price history?

Each row includes the open, high, low, close, volume and change from the prior close.

Does White Mountains Insurance Group's price history include market holidays?

The table contains only verified trading sessions and does not create prices for market holidays.

What is the source for White Mountains Insurance Group's daily prices?

Daily aggregate prices are provided by Polygon.