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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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MUC short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float––
Days to Cover1.0353,935 average daily volume
Open Short Position31,487BLACKROCK MUNIHOLDINGS CALIFOR
Change vs Previous-134,689-81.0%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202631,487-134,689-81.0%1.0–
Jul 15, 2026166,176+111,236+202.5%1.0–
Jun 30, 202654,940+17,949+48.5%1.0–

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, 2026106,5540219,46048.6%2
Aug 20, 2026185,8790312,28359.5%3
Aug 19, 202670,0670142,95549.0%3
Aug 18, 2026116,3150251,55846.2%3
Aug 17, 2026122,0890230,11853.1%2
Aug 14, 202696,6450283,67934.1%3
Aug 13, 202670,4070235,35429.9%3
Aug 12, 202691,8610148,38361.9%2
Aug 11, 2026148,4120311,54447.6%2
Aug 10, 202661,5740169,77136.3%1
Aug 7, 202665,9340225,37229.3%2
Aug 6, 202675,3940207,55636.3%1
Aug 5, 202662,8870133,87747.0%2
Aug 4, 202662,8530261,69224.0%1
Aug 3, 2026112,6531300,02837.5%3
Jul 31, 2026133,2024,900350,75438.0%3
Jul 30, 202660,0560225,85526.6%2
Jul 29, 202647,5900151,15331.5%3
Jul 28, 202689,1580316,19828.2%3
Jul 27, 2026115,9300266,74543.5%3
Jul 24, 202657,0180138,35441.2%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.