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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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ASYS short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float8.9%13,610,300 float shares
Days to Cover3.6333,681 average daily volume
Open Short Position1,206,501Amtech Systems, Inc. Common St
Change vs Previous+156,620+14.9%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20261,206,501+156,620+14.9%3.68.9%
Jul 15, 20261,049,881+328,761+45.6%2.47.7%
Jun 30, 2026721,120+273,398+61.1%1.35.3%

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, 2026103,2480173,26359.6%3
Aug 20, 2026128,18936,691228,45156.1%3
Aug 19, 2026379,54441,456616,91961.5%3
Aug 18, 2026303,8640428,30670.9%3
Aug 17, 2026212,1200301,42070.4%3
Aug 14, 202651,648087,10659.3%3
Aug 13, 202665,0900111,56058.3%3
Aug 12, 202650,722393121,01841.9%3
Aug 11, 202645,8270101,16045.3%3
Aug 10, 2026103,557226229,44645.1%3
Aug 7, 202644,6080103,03143.3%3
Aug 6, 2026107,874193228,69147.2%3
Aug 5, 202675,453208218,48134.5%3
Aug 4, 202684,4950164,25051.4%3
Aug 3, 202641,300094,73143.6%3
Jul 31, 202652,9690104,27050.8%2
Jul 30, 202650,030098,96350.6%3
Jul 29, 202680,2040159,81850.2%3
Jul 28, 2026107,6520213,59350.4%3
Jul 27, 202670,0862,500132,53452.9%3
Jul 24, 202669,3970113,16661.3%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.