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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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TENB short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float9.4%108,472,000 float shares
Days to Cover2.73,807,299 average daily volume
Open Short Position10,193,657Tenable Holdings, Inc. Common
Change vs Previous-434,882-4.1%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202610,193,657-434,882-4.1%2.79.4%
Jul 15, 202610,628,539-471,971-4.3%2.89.8%
Jun 30, 202611,100,510-419,467-3.6%3.210.2%

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, 2026423,86522696,21660.9%3
Aug 20, 2026384,291579568,05867.6%3
Aug 19, 2026346,717523545,37563.6%3
Aug 18, 2026309,8010532,88358.1%3
Aug 17, 2026833,4748351,284,35264.9%3
Aug 14, 2026502,8990817,18861.5%3
Aug 13, 2026611,0921,9311,176,40851.9%3
Aug 12, 2026391,8790563,83669.5%3
Aug 11, 2026386,7790548,18970.6%3
Aug 10, 20261,283,55901,724,26374.4%3
Aug 7, 2026587,6311431,012,21458.1%3
Aug 6, 2026859,109801,284,02866.9%3
Aug 5, 2026703,68011,133,97562.1%3
Aug 4, 2026532,7201601,057,17350.4%3
Aug 3, 2026576,0896911,178,95148.9%3
Jul 31, 2026708,07111,2291,442,10949.1%3
Jul 30, 20261,293,41534,2283,262,22039.6%3
Jul 29, 2026893,84001,883,51347.5%3
Jul 28, 2026511,51511866,96159.0%3
Jul 27, 2026455,90216730,76262.4%3
Jul 24, 2026597,7490949,66262.9%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.