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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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ZBIO short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float27.7%42,390,900 float shares
Days to Cover13.8850,076 average daily volume
Open Short Position11,753,566Zenas BioPharma, Inc. Common S
Change vs Previous-416,341-3.4%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202611,753,566-416,341-3.4%13.827.7%
Jul 15, 202612,169,907-26,529-0.2%12.528.7%
Jun 30, 202612,196,436+1,064,697+9.6%9.628.8%

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, 2026222,10647,193273,04381.3%3
Aug 20, 2026263,99244,757468,80056.3%3
Aug 19, 2026572,028215,1951,373,92841.6%3
Aug 18, 2026153,82110,590286,31653.7%3
Aug 17, 2026121,84013,702182,26266.8%3
Aug 14, 2026184,98130,026290,02363.8%3
Aug 13, 2026196,5394,923415,25847.3%3
Aug 12, 202647,6370165,04228.9%3
Aug 11, 2026179,4370555,05632.3%3
Aug 10, 202690,491200204,27444.3%3
Aug 7, 202653,2821,68897,72754.5%3
Aug 6, 2026294,0180387,70475.8%3
Aug 5, 202687,6007,865134,36165.2%3
Aug 4, 202658,900100121,76548.4%3
Aug 3, 2026130,9520194,73067.2%3
Jul 31, 202676,2600156,90048.6%3
Jul 30, 2026135,9580285,98247.5%3
Jul 29, 2026176,996600228,32377.5%3
Jul 28, 2026176,3423,149371,69547.4%3
Jul 27, 2026304,4193,676637,57447.7%3
Jul 24, 2026170,9720245,34669.7%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.