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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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PLAB short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float7.8%57,498,000 float shares
Days to Cover5.0908,090 average daily volume
Open Short Position4,498,042Photronics, Inc. Common Stock
Change vs Previous+318,028+7.6%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20264,498,042+318,028+7.6%5.07.8%
Jul 15, 20264,180,014+273,347+7.0%3.57.3%
Jun 30, 20263,906,667+76,474+2.0%2.36.8%

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, 2026142,1370217,62065.3%3
Aug 20, 2026189,7160576,06032.9%3
Aug 19, 2026225,096227569,02039.6%3
Aug 18, 2026203,40931359,24256.6%3
Aug 17, 2026115,5130203,37756.8%3
Aug 14, 2026111,8890218,54151.2%3
Aug 13, 2026137,3620217,11263.3%3
Aug 12, 2026173,2001,227301,64457.4%3
Aug 11, 2026147,7360260,18056.8%3
Aug 10, 2026167,1400233,84071.5%3
Aug 7, 2026163,031525309,28352.7%3
Aug 6, 2026161,1040248,17464.9%3
Aug 5, 2026157,5201,001232,25667.8%3
Aug 4, 2026214,6910349,06961.5%3
Aug 3, 2026342,974103447,25476.7%3
Jul 31, 2026233,7784,688359,22765.1%3
Jul 30, 2026175,4725274,93163.8%3
Jul 29, 2026304,406741454,05367.0%3
Jul 28, 2026233,32620395,45459.0%3
Jul 27, 2026223,03313331,55667.3%3
Jul 24, 2026216,4036,108344,70662.8%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.