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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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ALSN short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float4.4%81,851,000 float shares
Days to Cover4.3849,527 average daily volume
Open Short Position3,628,341ALLISON TRANSMISSION HOLDINGS,
Change vs Previous-312,454-7.9%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20263,628,341-312,454-7.9%4.34.4%
Jul 15, 20263,940,795+993,526+33.7%1.84.8%
Jun 30, 20262,947,269-177,614-5.7%3.13.6%

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, 2026326,6140468,21769.8%3
Aug 20, 2026305,3260433,10670.5%3
Aug 19, 2026138,5206226,36661.2%3
Aug 18, 2026166,84213255,74165.2%3
Aug 17, 2026102,247184229,02844.6%3
Aug 14, 2026124,7080260,76247.8%3
Aug 13, 202664,778393151,15542.9%3
Aug 12, 2026105,1260184,18257.1%3
Aug 11, 2026126,1810250,56850.4%3
Aug 10, 2026183,994610369,17949.8%3
Aug 7, 2026121,3130194,32662.4%3
Aug 6, 2026115,967188215,37653.8%3
Aug 5, 2026158,7380296,46453.5%3
Aug 4, 2026393,22201,036,99637.9%3
Aug 3, 2026177,3170399,46844.4%3
Jul 31, 2026146,860101274,88753.4%3
Jul 30, 2026225,448658382,34659.0%3
Jul 29, 2026292,462129484,83360.3%3
Jul 28, 2026238,4030409,35558.2%3
Jul 27, 2026244,9130411,00459.6%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.