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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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ASMB short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float28.2%8,282,600 float shares
Days to Cover15.8147,661 average daily volume
Open Short Position2,335,806Assembly Biosciences, Inc. Com
Change vs Previous+23,748+1.0%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20262,335,806+23,748+1.0%15.828.2%
Jul 15, 20262,312,058-95,893-4.0%14.727.9%
Jun 30, 20262,407,951+542,490+29.1%6.629.1%

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, 202655,3010165,61233.4%3
Aug 20, 202638,191088,77743.0%3
Aug 19, 202664,9140190,11334.1%3
Aug 18, 202669,5520243,08828.6%3
Aug 17, 202656,6581,900135,74241.7%3
Aug 14, 202699,260524249,07239.9%3
Aug 13, 202651,0270537,0599.5%3
Aug 12, 20269,406051,33618.3%2
Aug 11, 202639,1770126,27531.0%3
Aug 10, 202613,097041,50031.6%3
Aug 7, 202613,017033,63638.7%3
Aug 6, 202614,024034,47640.7%3
Aug 5, 202622,404042,78252.4%3
Aug 4, 202622,089032,10068.8%3
Aug 3, 202651,52421566,97676.9%3
Jul 31, 202617,110023,97271.4%3
Jul 30, 202614,170024,39958.1%3
Jul 29, 202630,625054,68556.0%3
Jul 28, 202623,548031,32775.2%3
Jul 27, 202616,661027,17061.3%3
Jul 24, 202651,103071,54871.4%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.