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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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MLM short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float4.0%59,639,000 float shares
Days to Cover3.7648,627 average daily volume
Open Short Position2,380,633Martin Marietta Materials
Change vs Previous-65,137-2.7%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20262,380,633-65,137-2.7%3.74.0%
Jul 15, 20262,445,770+216,583+9.7%4.24.1%
Jun 30, 20262,229,187+68,241+3.2%3.03.7%

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, 2026129,761606238,81854.3%3
Aug 20, 2026163,0331262,38162.1%3
Aug 19, 2026206,4062,564322,20464.1%3
Aug 18, 2026226,204243397,12557.0%3
Aug 17, 2026209,632266338,46861.9%3
Aug 14, 202687,72084123,43171.1%3
Aug 13, 202695,6630152,61962.7%3
Aug 12, 2026119,0260184,16564.6%3
Aug 11, 202670,0930130,02053.9%3
Aug 10, 2026101,1440149,66267.6%3
Aug 7, 2026115,6990200,06857.8%3
Aug 6, 2026156,590143280,42755.8%3
Aug 5, 2026152,3200258,62558.9%3
Aug 4, 2026179,59450330,13754.4%3
Aug 3, 2026243,7290378,99164.3%3
Jul 31, 2026282,7791,604411,23568.8%3
Jul 30, 2026363,9840592,14561.5%3
Jul 29, 2026257,4661,797337,17776.4%3
Jul 28, 2026195,364292288,36267.7%3
Jul 27, 2026146,9460200,75773.2%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.