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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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QDEL short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float20.8%62,494,000 float shares
Days to Cover12.71,022,227 average daily volume
Open Short Position13,005,131QuidelOrtho Corporation Common
Change vs Previous+1,202,382+10.2%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202613,005,131+1,202,382+10.2%12.720.8%
Jul 15, 202611,802,749+297,245+2.6%9.818.9%
Jun 30, 202611,505,504-848,050-6.9%5.418.4%

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, 2026341,6130800,16242.7%3
Aug 20, 2026558,56501,000,37355.8%3
Aug 19, 2026191,61735522,81036.7%3
Aug 18, 2026260,0160441,09358.9%3
Aug 17, 2026294,78075486,29660.6%3
Aug 14, 2026214,5680296,36272.4%3
Aug 13, 2026245,6695430,86957.0%3
Aug 12, 2026333,6070713,79646.7%3
Aug 11, 2026280,6470531,10852.8%3
Aug 10, 2026723,66039,2541,315,68355.0%3
Aug 7, 20261,396,63284,8802,033,93668.7%3
Aug 6, 2026392,3560639,24161.4%3
Aug 5, 2026208,511158453,82345.9%3
Aug 4, 2026225,401577476,26347.3%3
Aug 3, 2026271,0376531,30951.0%3
Jul 31, 2026164,2060235,50469.7%3
Jul 30, 2026290,0150402,93572.0%3
Jul 29, 2026274,3250438,39862.6%2
Jul 28, 2026253,9280388,14465.4%3
Jul 27, 2026214,8221,830345,23662.2%3
Jul 24, 2026189,16220309,39061.1%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.