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WTM · White Mountains Insurance Group Ltd · Short Volume

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$2,061.30 +2.98 (+0.14%) At close · Sep 18
Market Cap
$4.88B
Shares
2.39M

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

Short Volume

Date Short Volume Short Exempt Total Volume Short %
2026-09-18 6,934 0 9,827 70.6%
2026-09-17 7,311 0 10,529 69.4%
2026-09-16 7,008 0 12,182 57.5%
2026-09-15 3,884 0 6,793 57.2%
2026-09-14 3,567 0 6,223 57.3%
2026-09-11 4,867 0 8,631 56.4%
2026-09-10 6,875 0 10,258 67.0%
2026-09-09 4,250 0 6,193 68.6%
2026-09-08 5,193 0 8,043 64.6%
2026-09-04 4,990 0 9,014 55.4%
2026-09-03 5,887 0 9,086 64.8%
2026-09-02 5,165 0 7,269 71.1%
2026-09-01 5,750 0 8,131 70.7%
2026-08-31 4,908 0 7,496 65.5%
2026-08-28 6,002 0 7,977 75.2%
2026-08-27 6,176 0 9,339 66.1%
2026-08-26 4,242 0 5,798 73.2%
2026-08-25 4,391 0 5,966 73.6%
2026-08-24 4,850 8 7,550 64.2%
2026-08-21 6,239 0 11,164 55.9%
2026-08-20 4,682 0 7,808 60.0%
2026-08-19 4,611 0 7,306 63.1%
2026-08-18 5,713 0 8,409 67.9%
2026-08-17 5,126 0 7,366 69.6%
2026-08-14 3,786 0 5,954 63.6%
2026-08-13 5,594 0 9,322 60.0%
2026-08-12 6,451 0 8,953 72.1%
2026-08-11 5,957 140 9,162 65.0%
2026-08-10 8,069 0 12,723 63.4%
2026-08-07 7,918 0 13,709 57.8%
2026-08-06 7,193 0 11,949 60.2%
2026-08-05 6,156 0 9,095 67.7%
2026-08-04 6,155 2 9,551 64.4%
2026-08-03 4,583 0 8,118 56.5%
2026-07-31 3,743 0 5,336 70.1%
2026-07-30 4,331 0 6,127 70.7%
2026-07-29 6,847 0 9,927 69.0%
2026-07-28 6,588 0 8,494 77.6%
2026-07-27 4,672 0 6,654 70.2%
2026-07-24 3,097 0 4,658 66.5%
2026-07-23 2,463 1 3,667 67.2%
2026-07-22 4,555 0 6,152 74.0%
2026-07-21 3,668 1 4,752 77.2%
2026-07-20 4,183 0 5,557 75.3%
2026-07-17 3,874 48 4,926 78.6%
2026-07-16 7,440 2 9,127 81.5%
2026-07-15 3,847 0 5,434 70.8%
2026-07-14 5,920 0 9,649 61.4%
2026-07-13 3,813 0 5,615 67.9%
2026-07-10 5,715 0 8,078 70.8%
Showing 1–50 of 63 days
Key facts CIK 776867 CUSIP G9618E107 13F (30d) 6 filings 6 filers Visit website Investor relations