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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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OPTX short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float24.0%9,268,000 float shares
Days to Cover4.8460,754 average daily volume
Open Short Position2,219,977Syntec Optics Holdings, Inc. C
Change vs Previous+49,458+2.3%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20262,219,977+49,458+2.3%4.824.0%
Jul 15, 20262,170,519+288,635+15.3%3.923.4%
Jun 30, 20261,881,884-63,553-3.3%1.720.3%

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, 202631,369065,23548.1%3
Aug 20, 202658,607094,41262.1%3
Aug 19, 202655,291193,07559.4%2
Aug 18, 202665,93750112,15858.8%3
Aug 17, 202664,2950108,32559.4%3
Aug 14, 202661,046501108,80356.1%3
Aug 13, 202692,8220186,41949.8%3
Aug 12, 2026131,059605200,51865.4%3
Aug 11, 2026167,5360245,91268.1%3
Aug 10, 202651,815099,96951.8%3
Aug 7, 202666,3380105,79562.7%3
Aug 6, 202695,7100156,52261.1%3
Aug 5, 2026120,882120196,55661.5%3
Aug 4, 2026212,1490298,24371.1%3
Aug 3, 2026101,7670140,52272.4%3
Jul 31, 202673,570342136,24554.0%3
Jul 30, 2026159,85720,715280,43357.0%3
Jul 29, 2026140,30213,611271,61451.7%3
Jul 28, 2026318,02361,860589,11254.0%3
Jul 27, 2026214,1921,300358,22559.8%3
Jul 24, 202674,2376,423116,20763.9%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.