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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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MTRN short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float2.8%20,595,800 float shares
Days to Cover1.5373,999 average daily volume
Open Short Position572,557Materion Corporation
Change vs Previous-92,384-13.9%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 2026572,557-92,384-13.9%1.52.8%
Jul 15, 2026664,941-120,828-15.4%2.03.2%
Jun 30, 2026785,769+181,294+30.0%1.53.8%

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, 202628,36410382,84234.2%3
Aug 20, 202654,5133139,81539.0%3
Aug 19, 202651,9890150,40734.6%3
Aug 18, 202649,99898116,64642.9%3
Aug 17, 202635,9053663,44956.6%3
Aug 14, 202670,2345095,81373.3%3
Aug 13, 202678,6728130,08060.5%3
Aug 12, 202631,0354574,05341.9%3
Aug 11, 202630,862170,15344.0%3
Aug 10, 202681,73021155,71752.5%3
Aug 7, 2026108,955395206,59652.7%3
Aug 6, 202693,14218226,59441.1%3
Aug 5, 2026148,847961404,75836.8%3
Aug 4, 202672,0490148,73348.4%3
Aug 3, 202657,87347145,56339.8%3
Jul 31, 202687,43270127,16768.8%3
Jul 30, 202676,9353,634159,72648.2%3
Jul 29, 202693,7293,430224,75841.7%3
Jul 28, 202670,2132,268265,46626.4%3
Jul 27, 2026102,567239247,90841.4%3
Jul 24, 202639,3508100,79939.0%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.