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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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CTMX short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float18.8%186,456,000 float shares
Days to Cover11.82,981,073 average daily volume
Open Short Position35,110,952CytomX Therapeutics, Inc. Comm
Change vs Previous-5,211,304-12.9%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202635,110,952-5,211,304-12.9%11.818.8%
Jul 15, 202640,322,256+4,754,794+13.4%10.421.6%
Jun 30, 202635,567,462+4,961,900+16.2%4.319.1%

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, 2026347,735250843,28041.2%3
Aug 20, 2026561,2346341,205,65446.6%3
Aug 19, 2026481,69110,0001,636,43429.4%3
Aug 18, 2026464,3731,326940,10649.4%2
Aug 17, 2026517,3813,487987,45452.4%3
Aug 14, 2026247,0450436,88956.5%3
Aug 13, 2026416,6360619,86667.2%2
Aug 12, 2026246,56920,754395,65462.3%3
Aug 11, 2026288,8440449,96364.2%3
Aug 10, 2026373,9176,500596,88262.6%3
Aug 7, 2026572,4200874,30865.5%3
Aug 6, 2026415,58050658,17163.1%3
Aug 5, 2026304,743183570,86453.4%3
Aug 4, 2026481,806120804,27059.9%3
Aug 3, 2026429,18260628,09868.3%3
Jul 31, 2026520,1701,5621,926,28327.0%3
Jul 30, 2026214,4503,464470,97545.5%3
Jul 29, 2026257,1190412,64062.3%3
Jul 28, 2026271,2791,857667,55240.6%3
Jul 27, 2026436,445711871,19450.1%3
Jul 24, 2026269,5180502,01053.7%2

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