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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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ATYR short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float10.2%95,547,000 float shares
Days to Cover11.8826,988 average daily volume
Open Short Position9,726,056aTyr Pharma, Inc. Common Stock
Change vs Previous+1,448,650+17.5%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20269,726,056+1,448,650+17.5%11.810.2%
Jul 15, 20268,277,406-6,227,670-42.9%4.38.7%
Jun 30, 202614,505,076-4,006,641-21.6%5.115.2%

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, 202648,4820233,70420.7%2
Aug 20, 2026149,9321,100525,65928.5%3
Aug 19, 202679,368279278,27128.5%3
Aug 18, 2026228,7001,231377,08360.6%2
Aug 17, 2026155,6880389,79739.9%2
Aug 14, 2026103,2430391,35926.4%2
Aug 13, 2026225,63421,801888,40525.4%2
Aug 12, 202677,706800215,49536.1%1
Aug 11, 202679,5070318,08625.0%3
Aug 10, 202686,6290307,40928.2%3
Aug 7, 202670,7180201,12035.2%2
Aug 6, 2026207,287289459,07745.2%3
Aug 5, 2026114,0390269,28542.3%2
Aug 4, 2026143,79721,937599,92424.0%3
Aug 3, 2026236,70612,177594,96639.8%3
Jul 31, 2026114,0960271,65942.0%2
Jul 30, 2026118,878441435,43527.3%3
Jul 29, 2026151,9810375,63840.5%3
Jul 28, 2026219,1453,900560,97939.1%1
Jul 27, 2026169,02875470,11736.0%2
Jul 24, 2026248,681349452,16155.0%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.