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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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ALGN short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float6.3%66,474,000 float shares
Days to Cover4.01,058,022 average daily volume
Open Short Position4,202,287Align Technology, Inc. Common
Change vs Previous-623,003-12.9%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20264,202,287-623,003-12.9%4.06.3%
Jul 15, 20264,825,290+143,112+3.1%5.47.3%
Jun 30, 20264,682,178-28,421-0.6%3.97.0%

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, 2026276,8830396,72369.8%3
Aug 20, 2026232,5458350,09266.4%3
Aug 19, 2026285,2540404,08970.6%3
Aug 18, 2026182,4140321,31456.8%3
Aug 17, 2026230,3024376,66561.1%3
Aug 14, 2026341,12423465,59773.3%3
Aug 13, 2026114,214120193,91258.9%3
Aug 12, 2026155,56340219,98670.7%3
Aug 11, 2026133,8300238,51756.1%3
Aug 10, 2026178,719603223,99279.8%3
Aug 7, 2026196,70931344,12757.2%3
Aug 6, 2026176,2286272,91764.6%3
Aug 5, 2026150,0470298,67450.2%3
Aug 4, 2026139,87525258,06054.2%3
Aug 3, 2026172,65151366,16047.2%3
Jul 31, 2026227,80663727,90831.3%3
Jul 30, 2026389,8740668,40258.3%3
Jul 29, 2026350,860202637,20355.1%3
Jul 28, 2026160,5751,304366,94843.8%3
Jul 27, 2026175,1530454,47738.5%3
Jul 24, 2026187,8760384,14448.9%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.