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WTM
White Mountains Insurance Group Ltd.
stock NYSE

At Close

Sep 21, 2026 3:59:50 PM EDT

2051.18USD-0.491%(-10.12)17,867

1933.25Bid 2173.50Ask 240.25Spread

Pre-market

Sep 21, 2026 9:14:30 AM EDT

2071.20USD+0.480%(+9.90)200

After-hours

Sep 21, 2026 4:42:30 PM EDT

2051.40USD+0.011%(+0.22)363

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.dark-mode .YqqNvN{ color: white; background-color: #333333; border: 2px solid white; }.light-mode .YqqNvN{ color: #333333; background-color: white; border: 2px solid #333333; }WTMWhite Mountains Insurance Group Ltd.stock NYSE