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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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ASTC short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float3.7%1,378,400 float shares
Days to Cover1.066,071 average daily volume
Open Short Position50,402Astrotech Corporation (DE) Com
Change vs Previous-39,445-43.9%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202650,402-39,445-43.9%1.03.7%
Jul 15, 202689,847-67,999-43.1%1.06.5%
Jun 30, 2026157,846+25,921+19.6%1.011.5%

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, 20267,668414,51552.8%3
Aug 20, 202641,1321677,57153.0%3
Aug 19, 202612,802022,88655.9%3
Aug 18, 20266,6287116,98739.0%2
Aug 17, 202627,43916,79042,21465.0%3
Aug 14, 202613,5561,65027,58549.1%2
Aug 13, 202648,80614576,96163.4%3
Aug 12, 202625,67041159,15143.4%3
Aug 11, 202682,017635141,96657.8%3
Aug 10, 2026125,917360196,50164.1%3
Aug 7, 202636,927876,91348.0%3
Aug 6, 2026104,1691,358180,18057.8%3
Aug 5, 20261,364,78834,2692,298,26459.4%3
Aug 4, 20269,67410116,26959.5%3
Aug 3, 202610,792018,72957.6%3
Jul 31, 202611,466017,77864.5%3
Jul 30, 20269,353017,21954.3%3
Jul 29, 20268,96679828,02832.0%3
Jul 28, 202623,8694,80457,39641.6%3
Jul 27, 202611,93010019,93059.9%2
Jul 24, 202611,581518,82961.5%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.