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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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ATI short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float2.7%134,798,000 float shares
Days to Cover2.51,468,980 average daily volume
Open Short Position3,685,690ATI Inc.
Change vs Previous-50,566-1.4%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20263,685,690-50,566-1.4%2.52.7%
Jul 15, 20263,736,256-129,290-3.3%2.82.8%
Jun 30, 20263,865,546+270,980+7.5%1.82.9%

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, 2026229,518321595,35038.6%3
Aug 20, 2026219,8163,913551,32339.9%3
Aug 19, 2026249,269411597,00341.8%3
Aug 18, 2026245,5270536,08445.8%3
Aug 17, 2026162,196179410,47239.5%3
Aug 14, 2026194,97412558,14034.9%3
Aug 13, 2026239,65285469,22151.1%3
Aug 12, 2026228,2890590,17838.7%3
Aug 11, 2026361,9620818,95044.2%3
Aug 10, 2026226,805409613,17537.0%3
Aug 7, 2026357,6160896,05739.9%3
Aug 6, 2026483,7504,5001,379,66335.1%3
Aug 5, 2026515,8044,3631,473,10135.0%3
Aug 4, 2026197,7430553,67635.7%3
Aug 3, 2026146,7580414,57735.4%3
Jul 31, 2026161,439643370,66443.6%3
Jul 30, 2026214,1590779,82127.5%3
Jul 29, 2026417,64301,027,80540.6%3
Jul 28, 2026265,613460573,32346.3%3
Jul 27, 2026259,7220669,17638.8%3
Jul 24, 2026281,67350584,20248.2%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.