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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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ADPT short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float10.0%125,355,000 float shares
Days to Cover4.42,844,419 average daily volume
Open Short Position12,490,395Adaptive Biotechnologies Corpo
Change vs Previous+1,094,008+9.6%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202612,490,395+1,094,008+9.6%4.410.0%
Jul 15, 202611,396,387+43,548+0.4%4.39.1%
Jun 30, 202611,352,839+3,707,692+48.5%2.29.1%

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, 2026188,1740720,56526.1%3
Aug 20, 2026214,884149787,29827.3%3
Aug 19, 2026392,2082,710927,43842.3%3
Aug 18, 2026184,22927,093607,60130.3%3
Aug 17, 2026446,1689,7311,006,86144.3%3
Aug 14, 2026281,693332700,67940.2%3
Aug 13, 2026221,6732,452503,50244.0%3
Aug 12, 2026192,8804,697478,65640.3%3
Aug 11, 20261,350,89177,7731,815,94574.4%3
Aug 10, 2026545,6048,333998,89054.6%3
Aug 7, 2026195,5001,690895,65921.8%3
Aug 6, 2026819,3292,5371,010,46181.1%3
Aug 5, 2026474,1203,860785,59460.4%3
Aug 4, 20261,034,168121,394,33174.2%3
Aug 3, 2026433,8091,119833,51952.0%3
Jul 31, 2026615,0876,1271,087,02356.6%3
Jul 30, 20261,476,96215,0552,381,86862.0%3
Jul 29, 2026565,6118,1431,151,23949.1%3
Jul 28, 2026243,5292,660496,28949.1%3
Jul 27, 2026693,926200982,10170.7%3
Jul 24, 2026639,2920982,94265.0%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.