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Stockfacts

EOD US-equity data for investors and AI agents

Data is end-of-day, not real-time, and not investment advice

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WTM short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float6.0%2,277,000 float shares
Days to Cover8.516,053 average daily volume
Open Short Position136,979White Mountains Insurance Grou
Change vs Previous-1,327-1.0%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 2026136,979-1,327-1.0%8.56.0%
Jul 15, 2026138,306+13,545+10.9%7.46.1%
Jun 30, 2026124,761+5,521+4.6%6.95.5%

Short interest is an open-position snapshot published twice monthly. It is not daily short-sale volume.

Daily off-exchange short volume

FINRA-reported short-sale transaction flow for the last 30 calendar days.

Trade DateShort VolumeShort ExemptFINRA TotalShort Volume %Facilities
Aug 21, 20266,239011,16455.9%3
Aug 20, 20264,68107,80760.0%3
Aug 19, 20264,61007,30663.1%3
Aug 18, 20265,71308,40967.9%3
Aug 17, 20265,12607,36569.6%3
Aug 14, 20263,78605,95363.6%3
Aug 13, 20265,59309,32160.0%2
Aug 12, 20266,45108,95372.1%2
Aug 11, 20265,9571409,16165.0%3
Aug 10, 20268,069012,72263.4%3
Aug 7, 20267,918013,70857.8%3
Aug 6, 20267,193011,94960.2%3
Aug 5, 20266,15609,09567.7%3
Aug 4, 20266,15529,55164.4%3
Aug 3, 20264,58208,11756.4%3
Jul 31, 20263,74305,33670.1%3
Jul 30, 20264,33006,12770.7%2
Jul 29, 20266,84709,92769.0%3
Jul 28, 20266,58808,49477.6%3
Jul 27, 20264,67206,65370.2%3
Jul 24, 20263,09704,65766.5%2

Daily short volume is transaction flow reported through FINRA facilities. It does not measure open short positions and is not consolidated exchange-wide volume.