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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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PTLO short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float15.8%67,637,000 float shares
Days to Cover10.51,017,090 average daily volume
Open Short Position10,691,384Portillo's Inc. Class A Common
Change vs Previous+572,835+5.7%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202610,691,384+572,835+5.7%10.515.8%
Jul 15, 202610,118,549-111,150-1.1%9.215.0%
Jun 30, 202610,229,699-1,109,731-9.8%7.015.1%

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, 2026266,4800687,32138.8%3
Aug 20, 2026224,363399411,73754.5%3
Aug 19, 2026231,3340461,36350.1%3
Aug 18, 2026165,4480419,70339.4%3
Aug 17, 2026234,6270488,66148.0%3
Aug 14, 2026239,7081,300528,74545.3%3
Aug 13, 2026435,72701,330,65232.7%3
Aug 12, 2026351,0867,300972,70736.1%3
Aug 11, 2026250,7321,666601,54841.7%3
Aug 10, 2026447,3011,698827,61954.0%3
Aug 7, 2026199,64520462,76243.1%3
Aug 6, 2026404,79819,8941,126,70235.9%3
Aug 5, 2026182,1260482,11837.8%3
Aug 4, 2026221,1303,512504,66443.8%3
Aug 3, 2026149,4102,262455,35932.8%3
Jul 31, 2026129,1750245,72652.6%3
Jul 30, 2026147,1040356,88741.2%3
Jul 29, 2026139,8770337,37841.5%2
Jul 28, 2026147,5841,063547,40427.0%3
Jul 27, 2026204,4301,739810,10125.2%3
Jul 24, 2026144,4640406,04335.6%2

Daily short volume is transaction flow reported through FINRA facilities. It does not measure open short positions and is not consolidated exchange-wide volume.