Stockfacts
Use CasesDocsPricing
Log inSign up free
OverviewFinancialsTrendsTranscriptsOptionsShortsInstitutionsInsidersCorporate ActionsSEC Filings
Stockfacts

EOD US-equity data for investors and AI agents

Data is end-of-day, not real-time, and not investment advice

Use CasesDashboard

DAIO short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float0.1%8,908,100 float shares
Days to Cover1.042,245 average daily volume
Open Short Position12,554Data I/O Corporation Common St
Change vs Previous+5,150+69.6%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202612,554+5,150+69.6%1.00.1%
Jul 15, 20267,404+4,528+157.4%1.00.1%
Jun 30, 20262,876-4,845-62.8%1.00.0%

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, 20266,678029,07523.0%1
Aug 20, 20262,00806,83129.4%2
Aug 19, 20262,73107,54836.2%1
Aug 18, 20268,06882869,09111.7%1
Aug 17, 20262,040010,71319.0%1
Aug 14, 20261,85407,91223.4%1
Aug 13, 20267,039017,26440.8%2
Aug 12, 202616,915037,87444.7%3
Aug 11, 202614,483044,74332.4%1
Aug 10, 202621,811036,68159.5%2
Aug 7, 20266,989022,89630.5%2
Aug 6, 20261,62902,98754.5%1
Aug 5, 20262,81006,20345.3%1
Aug 4, 202614,709036,88239.9%2
Aug 3, 20266,606020,66732.0%3
Jul 31, 20264,598027,02917.0%3
Jul 30, 202621,504055,06739.1%3
Jul 29, 20267,322019,14638.2%2
Jul 28, 20264,6501,00030,74715.1%1
Jul 27, 20261,71609,66317.8%2
Jul 24, 20261,916011,71316.4%1

Daily short volume is transaction flow reported through FINRA facilities. It does not measure open short positions and is not consolidated exchange-wide volume.