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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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PFSA short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float32.9%181,860 float shares
Days to Cover1.0925,395 average daily volume
Open Short Position59,866Profusa, Inc. Common Stock
Change vs Previous+6,674+12.6%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202659,866+6,674+12.6%1.032.9%
Jul 15, 202653,192-181,803-77.4%1.029.2%
Jun 30, 2026234,995+111,534+90.3%1.0129.2%

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, 2026173,03731,954336,94251.4%3
Aug 20, 2026214,30341,818373,34357.4%3
Aug 19, 2026363,960100,747656,10455.5%3
Aug 18, 202613,463,21498,62622,797,08959.1%3
Aug 17, 2026490,127877876,34555.9%3
Aug 14, 202625,2971,76955,91645.2%2
Aug 13, 202639,2054,09985,14546.0%3
Aug 12, 20263,159011,89626.6%1
Aug 11, 202617,588023,53274.7%1
Aug 10, 20264,339024,45917.7%2
Aug 7, 202612,530025,29149.5%2
Aug 6, 20269,429047,00520.1%2
Aug 5, 20268,840028,52131.0%2
Aug 4, 202623,2603,33147,60948.9%1
Aug 3, 202633,2561,556112,80129.5%3
Jul 31, 202610,210050,92120.1%2
Jul 30, 202615,017044,76733.5%3
Jul 29, 20268,5692,57157,91414.8%2
Jul 28, 202676,3269,112217,48235.1%3
Jul 27, 2026360,80662,257664,30854.3%3
Jul 24, 20265,8813,1249,50461.9%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.