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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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CATX short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float34.3%68,408,000 float shares
Days to Cover25.7914,970 average daily volume
Open Short Position23,472,935Perspective Therapeutics, Inc.
Change vs Previous+689,358+3.0%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202623,472,935+689,358+3.0%25.734.3%
Jul 15, 202622,783,577+59,312+0.3%10.033.3%
Jun 30, 202622,724,265+9,090,557+66.7%7.333.2%

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, 2026194,73913,444390,43649.9%3
Aug 20, 2026298,975220393,20676.0%3
Aug 19, 2026311,4753,000606,41351.4%3
Aug 18, 2026217,6940314,57769.2%3
Aug 17, 2026184,4091,137298,63661.8%3
Aug 14, 2026211,23726400,90452.7%3
Aug 13, 2026297,2521,000496,40159.9%2
Aug 12, 2026165,2070454,00736.4%3
Aug 11, 2026251,7050683,58036.8%3
Aug 10, 2026135,5030353,21038.4%3
Aug 7, 2026138,7540441,67631.4%3
Aug 6, 202681,0800179,38745.2%2
Aug 5, 2026269,8430619,44343.6%3
Aug 4, 2026340,061126,624746,47445.6%2
Aug 3, 2026155,2488,761388,46640.0%2
Jul 31, 2026137,1600241,21056.9%3
Jul 30, 202686,6470189,80845.6%2
Jul 29, 2026146,8400364,52440.3%2
Jul 28, 2026149,7420382,58239.1%3
Jul 27, 2026128,545111237,94354.0%2
Jul 24, 2026139,0110248,57455.9%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.