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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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VSTM short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float27.1%73,064,000 float shares
Days to Cover9.42,120,165 average daily volume
Open Short Position19,825,791Verastem, Inc. Common Stock
Change vs Previous-277,554-1.4%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202619,825,791-277,554-1.4%9.427.1%
Jul 15, 202620,103,345-4,039,592-16.7%6.827.5%
Jun 30, 202624,142,937+2,368,043+10.9%7.033.0%

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, 2026175,086873324,39154.0%3
Aug 20, 2026616,38599804,64976.6%3
Aug 19, 2026418,071200983,36242.5%3
Aug 18, 2026544,4561051,272,04342.8%3
Aug 17, 2026307,2943,200700,13043.9%3
Aug 14, 2026216,8400444,06748.8%3
Aug 13, 2026314,3400734,04242.8%3
Aug 12, 2026159,5399349,08045.7%3
Aug 11, 2026390,787300695,68156.2%3
Aug 10, 2026325,046210523,23362.1%3
Aug 7, 2026808,2345,1901,353,81159.7%3
Aug 6, 2026254,71857650,57839.2%3
Aug 5, 2026167,0783,296223,47274.8%3
Aug 4, 2026326,3100525,73862.1%3
Aug 3, 2026288,81523453,29463.7%3
Jul 31, 2026390,71351541,26872.2%3
Jul 30, 2026286,1860495,63057.7%2
Jul 29, 2026469,3015,000884,53053.1%3
Jul 28, 2026249,3090405,21261.5%3
Jul 27, 2026337,209800696,08348.4%3
Jul 24, 2026519,76801,293,16540.2%3

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