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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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CDNA short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float12.4%49,468,300 float shares
Days to Cover4.31,442,843 average daily volume
Open Short Position6,135,225CareDx, Inc. Common Stock
Change vs Previous-52,139-0.8%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20266,135,225-52,139-0.8%4.312.4%
Jul 15, 20266,187,364-2,150,506-25.8%7.812.5%
Jun 30, 20268,337,870-96,957-1.1%7.316.9%

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, 2026138,6132,350348,87339.7%3
Aug 20, 2026228,5431,300342,68666.7%3
Aug 19, 2026302,0991,200500,05560.4%3
Aug 18, 2026128,729243289,50144.5%3
Aug 17, 2026117,4030284,73841.2%3
Aug 14, 2026101,6740281,23536.2%3
Aug 13, 2026140,1921,063286,38249.0%3
Aug 12, 202683,744110227,59136.8%3
Aug 11, 2026112,951350233,51048.4%3
Aug 10, 2026220,2939,031510,01143.2%3
Aug 7, 2026169,18453,792403,90841.9%3
Aug 6, 2026120,7211,921298,66640.4%3
Aug 5, 2026123,0891,175445,79627.6%3
Aug 4, 2026238,88245,233564,32242.3%3
Aug 3, 2026379,8356,6501,155,86232.9%3
Jul 31, 2026448,89413,8571,166,70438.5%3
Jul 30, 2026135,7810631,31521.5%3
Jul 29, 202684,54256283,20629.9%3
Jul 28, 202684,0720305,99427.5%3
Jul 27, 202680,2260252,05031.8%3
Jul 24, 202673,68060140,46352.5%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.