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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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CMCSA short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float2.1%3,511,198,000 float shares
Days to Cover2.036,797,643 average daily volume
Open Short Position72,592,374Comcast Corporation Class A Co
Change vs Previous-12,498,216-14.7%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202672,592,374-12,498,216-14.7%2.02.1%
Jul 15, 202685,090,590-2,942,145-3.3%2.62.4%
Jun 30, 202688,032,735-1,101,519-1.2%1.72.5%

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, 20262,077,9085,9494,784,33343.4%3
Aug 20, 20262,030,5675865,187,50139.1%3
Aug 19, 20263,579,1522,8127,748,13246.2%3
Aug 18, 20264,176,0036,9308,022,13752.1%3
Aug 17, 20263,431,3404,8987,543,12745.5%3
Aug 14, 20265,186,3765,5258,443,85461.4%3
Aug 13, 20263,152,70912,0587,654,68141.2%3
Aug 12, 20263,757,36513,8507,571,58449.6%3
Aug 11, 20265,116,18521,7338,548,38859.8%3
Aug 10, 20264,076,5013,8866,658,97761.2%3
Aug 7, 20263,743,41710,5506,741,97455.5%3
Aug 6, 20263,473,8644,5376,864,83650.6%3
Aug 5, 20265,665,7348,4309,572,01059.2%3
Aug 4, 20263,980,2881677,361,88054.1%3
Aug 3, 20266,459,96611,21914,863,08343.5%3
Jul 31, 20263,251,0906,7297,621,47742.7%3
Jul 30, 20264,973,97215,2289,491,82052.4%3
Jul 29, 20264,825,37919,81112,704,62838.0%3
Jul 28, 20266,119,54729,52314,518,84442.1%3
Jul 27, 20264,184,43215014,004,13629.9%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.