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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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PHAT short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float20.4%65,293,000 float shares
Days to Cover8.71,531,462 average daily volume
Open Short Position13,327,316Phathom Pharmaceuticals, Inc.
Change vs Previous+1,205,634+9.9%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202613,327,316+1,205,634+9.9%8.720.4%
Jul 15, 202612,121,682+128,092+1.1%9.018.6%
Jun 30, 202611,993,590+830,971+7.4%11.718.4%

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, 2026170,9370371,14446.1%3
Aug 20, 2026389,98187666,89558.5%3
Aug 19, 202687,0650334,42226.0%3
Aug 18, 2026163,9090411,61039.8%2
Aug 17, 2026178,1620408,59443.6%3
Aug 14, 2026144,9130413,07835.1%3
Aug 13, 2026131,0551,911420,47731.2%3
Aug 12, 2026137,4932,2001,007,84313.6%3
Aug 11, 2026130,7040894,01814.6%3
Aug 10, 2026149,7888001,023,39014.6%3
Aug 7, 2026346,7021,6111,140,48730.4%3
Aug 6, 2026164,8410696,97223.7%3
Aug 5, 2026295,2432,431806,97336.6%3
Aug 4, 2026341,0821,116768,89644.4%3
Aug 3, 2026331,362906572,38357.9%3
Jul 31, 2026552,19628,3951,388,79039.8%3
Jul 30, 20261,809,495140,0063,295,99854.9%3
Jul 29, 2026136,01616,055253,66453.6%2
Jul 28, 2026101,1090205,85949.1%3
Jul 27, 2026131,3492,494237,10055.4%3
Jul 24, 2026203,530480289,99670.2%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.