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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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IDYA short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float10.6%95,643,000 float shares
Days to Cover13.2766,531 average daily volume
Open Short Position10,113,206IDEAYA Biosciences, Inc. Commo
Change vs Previous+539,626+5.6%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202610,113,206+539,626+5.6%13.210.6%
Jul 15, 20269,573,580-761,389-7.4%8.610.0%
Jun 30, 202610,334,969-294,145-2.8%6.110.8%

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, 2026200,5209,206386,91851.8%3
Aug 20, 2026485,318400573,35384.6%3
Aug 19, 2026197,37119,132309,88863.7%3
Aug 18, 2026153,238103194,83878.6%3
Aug 17, 202684,3440118,38571.2%3
Aug 14, 202688,059110129,24368.1%3
Aug 13, 2026150,1720191,30478.5%3
Aug 12, 2026116,6980140,98782.8%3
Aug 11, 2026137,8871,165171,89680.2%3
Aug 10, 2026192,9720235,07082.1%3
Aug 7, 2026143,487191197,18172.8%3
Aug 6, 2026122,7461,900185,30366.2%3
Aug 5, 2026165,5520332,15749.8%3
Aug 4, 2026186,5410566,87332.9%3
Aug 3, 202680,7470122,68265.8%3
Jul 31, 2026105,2210142,09374.1%3
Jul 30, 2026202,9840321,03763.2%3
Jul 29, 2026180,2780492,79336.6%3
Jul 28, 2026156,8460246,81963.5%3
Jul 27, 2026229,2570297,68677.0%3
Jul 24, 2026345,1710405,80785.1%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.