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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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ZSTK short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float0.4%6,918,500 float shares
Days to Cover1.320,903 average daily volume
Open Short Position27,960ZeroStack Corp. Common Stock
Change vs Previous-15,166-35.2%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202627,960-15,166-35.2%1.30.4%
Jul 15, 202643,126+13,511+45.6%1.10.6%
Jun 30, 202629,615-6,305-17.6%2.50.4%

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, 2026109,88438,281219,28150.1%3
Aug 20, 2026342,18775,772708,21148.3%3
Aug 19, 20267,204,4471,788,19312,610,67757.1%3
Aug 18, 20265771001,36542.3%1
Aug 17, 20265,255210,58649.6%1
Aug 14, 20263,5201,0524,53777.6%1
Aug 13, 202623812,06411.5%2
Aug 12, 20264,36124,70892.6%1
Aug 11, 2026803413,60522.3%1
Aug 10, 202691203,84923.7%1
Aug 7, 202610304,1632.5%2
Aug 6, 202611505,2972.2%1
Aug 5, 20263,11505,87253.0%2
Aug 4, 202617,6457,22324,33072.5%3
Aug 3, 202615,94873419,94979.9%2
Jul 31, 20262,41805,50943.9%2
Jul 30, 20261,39102,17663.9%2
Jul 29, 20263,23006,43750.2%2
Jul 28, 20268,14129,41386.5%2
Jul 27, 20262,9441,9027,42839.6%2
Jul 24, 20261,1591681,83863.1%1

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