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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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CTM short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float8.0%74,517,000 float shares
Days to Cover4.81,230,222 average daily volume
Open Short Position5,956,892Castellum, Inc.
Change vs Previous+116,472+2.0%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20265,956,892+116,472+2.0%4.88.0%
Jul 15, 20265,840,420-479,806-7.6%6.27.8%
Jun 30, 20266,320,226+2,461,620+63.8%1.48.5%

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, 2026270,1590485,20155.7%3
Aug 20, 2026270,6000347,38277.9%2
Aug 19, 2026262,2930453,04057.9%3
Aug 18, 2026138,62823,126320,24243.3%3
Aug 17, 2026111,118100306,66936.2%3
Aug 14, 2026166,1120359,21246.2%3
Aug 13, 2026407,5706703,75457.9%3
Aug 12, 2026331,9240833,69239.8%3
Aug 11, 2026266,75712,340711,93337.5%3
Aug 10, 2026376,54845,787875,56343.0%2
Aug 7, 20262,074,084399,6813,388,67061.2%3
Aug 6, 2026364,7736,500586,35662.2%3
Aug 5, 2026282,49716,279607,60346.5%2
Aug 4, 2026404,563643885,38645.7%3
Aug 3, 2026151,2890358,38142.2%2
Jul 31, 2026387,4509,000801,63748.3%3
Jul 30, 2026474,5331941,250,40838.0%3
Jul 29, 2026332,7704732,17045.4%3
Jul 28, 2026513,66101,200,98042.8%3
Jul 27, 2026421,80366,609979,39743.1%3
Jul 24, 2026435,03224,063662,26465.7%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.