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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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ACM short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float5.6%127,924,000 float shares
Days to Cover4.71,517,043 average daily volume
Open Short Position7,135,556Aecom
Change vs Previous-1,509,751-17.5%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20267,135,556-1,509,751-17.5%4.75.6%
Jul 15, 20268,645,307-309,434-3.5%5.56.8%
Jun 30, 20268,954,741+2,609,766+41.1%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, 2026261,9552,626490,13853.4%3
Aug 20, 2026785,3446241,079,97972.7%3
Aug 19, 2026662,0252761,020,03764.9%3
Aug 18, 2026351,3860641,65954.8%3
Aug 17, 2026421,47826672,74562.7%3
Aug 14, 2026354,029200714,62649.5%3
Aug 13, 2026524,7786,7671,106,38847.4%3
Aug 12, 2026814,77166,3001,887,25443.2%3
Aug 11, 20261,224,22580,7432,651,32346.2%3
Aug 10, 2026896,21901,203,44074.5%3
Aug 7, 2026210,49712419,68750.2%3
Aug 6, 2026210,8210396,22553.2%3
Aug 5, 2026185,735536441,62742.1%3
Aug 4, 2026188,2596443,58642.4%3
Aug 3, 2026189,0850333,89256.6%3
Jul 31, 2026202,357425388,34052.1%3
Jul 30, 2026418,2435606,76468.9%3
Jul 29, 2026421,27270758,89355.5%3
Jul 28, 2026519,06580943,81355.0%3
Jul 27, 2026270,0540437,02861.8%3
Jul 24, 2026301,15311521,35257.8%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.