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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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MIAX short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float6.7%93,266,000 float shares
Days to Cover5.41,157,150 average daily volume
Open Short Position6,225,929Miami International Holdings,
Change vs Previous-1,346,842-17.8%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20266,225,929-1,346,842-17.8%5.46.7%
Jul 15, 20267,572,771-14,373-0.2%4.58.1%
Jun 30, 20267,587,144+2,757,610+57.1%2.08.1%

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, 2026233,8730420,96255.6%3
Aug 20, 2026226,4450500,22845.3%3
Aug 19, 2026426,0740762,53655.9%3
Aug 18, 2026127,594100255,01050.0%3
Aug 17, 2026153,7129,450293,00352.5%3
Aug 14, 202688,3451228,48438.7%3
Aug 13, 202696,24446203,11747.4%3
Aug 12, 2026376,8842555,27967.9%3
Aug 11, 2026276,5470554,44149.9%3
Aug 10, 2026366,6344543,76567.4%3
Aug 7, 2026303,13844473,24064.1%3
Aug 6, 2026643,0680944,26368.1%3
Aug 5, 2026423,807742585,41972.4%3
Aug 4, 2026221,50925319,56169.3%3
Aug 3, 2026206,01810341,38360.3%3
Jul 31, 2026317,831786432,52573.5%3
Jul 30, 2026180,5361,340254,53770.9%3
Jul 29, 2026335,108683518,37464.6%3
Jul 28, 2026548,1020784,13269.9%3
Jul 27, 2026277,81311460,14760.4%3
Jul 24, 2026203,9470285,96971.3%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.