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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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NAUT short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float4.0%57,443,000 float shares
Days to Cover2.7835,918 average daily volume
Open Short Position2,273,103Nautilus Biotechnology, Inc. C
Change vs Previous+824,346+56.9%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20262,273,103+824,346+56.9%2.74.0%
Jul 15, 20261,448,757+619,235+74.7%1.32.5%
Jun 30, 2026829,522+288,383+53.3%1.01.4%

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, 2026237,0160416,79956.9%3
Aug 20, 2026178,3451,891286,47262.3%3
Aug 19, 2026123,2010257,62447.8%3
Aug 18, 2026128,9400214,64160.1%3
Aug 17, 2026153,5470259,68659.1%3
Aug 14, 2026183,5631,100257,49971.3%3
Aug 13, 2026185,0020223,78782.7%3
Aug 12, 2026167,6390287,89358.2%3
Aug 11, 202692,8820131,34970.7%3
Aug 10, 2026171,72314,615333,93851.4%3
Aug 7, 2026245,0030446,40954.9%3
Aug 6, 2026310,987141594,14052.3%3
Aug 5, 2026202,431294394,72851.3%3
Aug 4, 2026686,29814,3341,195,48057.4%3
Aug 3, 2026563,8567,976826,74968.2%3
Jul 31, 2026300,9530508,05259.2%2
Jul 30, 2026507,34119,629652,80277.7%3
Jul 29, 2026734,97043,193933,25178.8%3
Jul 28, 2026769,80756,4511,058,62872.7%3
Jul 27, 2026121,0180225,36953.7%3
Jul 24, 202666,4870171,81538.7%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.