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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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OSIS short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float13.5%15,524,100 float shares
Days to Cover12.4168,111 average daily volume
Open Short Position2,090,772OSI Systems, Inc. Common Stock
Change vs Previous-46,100-2.2%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20262,090,772-46,100-2.2%12.413.5%
Jul 15, 20262,136,872-148,054-6.5%11.013.8%
Jun 30, 20262,284,926-89,678-3.8%8.414.7%

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, 2026259,11414,659611,78942.4%3
Aug 20, 202676,9510104,17973.9%3
Aug 19, 202645,0879768,65365.7%3
Aug 18, 202634,255058,00459.1%3
Aug 17, 202636,351050,21672.4%3
Aug 14, 202635,199061,51957.2%3
Aug 13, 202629,0821,41056,55951.4%3
Aug 12, 202642,239064,36265.6%2
Aug 11, 202645,60719,51280,43556.7%3
Aug 10, 202624,834092,89626.7%3
Aug 7, 202619,84622235,12456.5%3
Aug 6, 202616,931027,59461.4%3
Aug 5, 202626,784060,56044.2%3
Aug 4, 202637,923060,37862.8%3
Aug 3, 202688,9260116,62076.3%3
Jul 31, 202632,435068,47947.4%3
Jul 30, 202624,52442042,82457.3%2
Jul 29, 202636,526054,42867.1%3
Jul 28, 202644,702962,34871.7%3
Jul 27, 202629,477051,07757.7%3
Jul 24, 202643,316064,43067.2%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.