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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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PSIX short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float26.7%7,350,000 float shares
Days to Cover4.5440,927 average daily volume
Open Short Position1,963,145Power Solutions International,
Change vs Previous+208,011+11.8%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20261,963,145+208,011+11.8%4.526.7%
Jul 15, 20261,755,134+20,248+1.2%3.923.9%
Jun 30, 20261,734,886-10,084-0.6%4.523.6%

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, 202642,3100101,99341.5%3
Aug 20, 202673,4470115,14863.8%3
Aug 19, 202667,574384142,81847.3%3
Aug 18, 202646,947100115,74040.6%3
Aug 17, 202644,6460112,13739.8%3
Aug 14, 202658,1170161,14336.1%3
Aug 13, 202683,04050209,43639.6%3
Aug 12, 202687,52312207,62442.2%3
Aug 11, 202699,26215219,51945.2%3
Aug 10, 2026192,58750443,88243.4%3
Aug 7, 2026167,643255528,93931.7%3
Aug 6, 202675,1620109,91868.4%3
Aug 5, 202683,8740158,11653.0%3
Aug 4, 2026213,78013439,09348.7%3
Aug 3, 2026101,8530215,42247.3%3
Jul 31, 2026108,3510177,84360.9%3
Jul 30, 2026124,6642234,64553.1%3
Jul 29, 2026116,914327247,44147.2%3
Jul 28, 2026167,7000331,29550.6%3
Jul 27, 202661,6520102,08960.4%3
Jul 24, 202652,1050126,53441.2%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.