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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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ACA short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float1.7%48,109,900 float shares
Days to Cover1.0789,915 average daily volume
Open Short Position821,007Arcosa, Inc. Common Stock
Change vs Previous-172,624-17.4%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 2026821,007-172,624-17.4%1.01.7%
Jul 15, 2026993,631-3,998-0.4%1.32.1%
Jun 30, 2026997,629-382,239-27.7%1.02.1%

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, 202674,732536184,94040.4%2
Aug 20, 202650,22510372,89768.9%3
Aug 19, 202690,7690234,79138.7%3
Aug 18, 202661,18917142,27143.0%2
Aug 17, 202638,65211123,84731.2%3
Aug 14, 202672,216290201,56835.8%3
Aug 13, 202671,0880215,86032.9%3
Aug 12, 202650,2251,061175,56228.6%3
Aug 11, 202679,71021252,61231.6%3
Aug 10, 202658,858100238,95224.6%3
Aug 7, 202654,45237167,51632.5%3
Aug 6, 2026103,0305378,04027.3%3
Aug 5, 202632,97812226,93914.5%3
Aug 4, 202649,156558190,97825.7%3
Aug 3, 202646,9360182,80525.7%3
Jul 31, 202676,8030187,40041.0%3
Jul 30, 202665,755200174,95337.6%3
Jul 29, 2026174,1230495,11035.2%3
Jul 28, 202644,29416297,26614.9%3
Jul 27, 202667,0410259,27225.9%3
Jul 24, 202639,7440239,43616.6%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.