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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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CYTK short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float11.1%138,406,000 float shares
Days to Cover9.61,589,679 average daily volume
Open Short Position15,303,504Cytokinetics, Incorporated Com
Change vs Previous-1,748,477-10.3%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202615,303,504-1,748,477-10.3%9.611.1%
Jul 15, 202617,051,981-521,679-3.0%9.012.3%
Jun 30, 202617,573,660+2,807,183+19.0%5.312.7%

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, 2026291,31410,292426,17368.4%3
Aug 20, 2026551,2285800,43968.9%3
Aug 19, 2026311,2245,442659,52547.2%3
Aug 18, 2026529,038165682,25677.5%3
Aug 17, 2026528,8041,668702,23575.3%3
Aug 14, 2026376,5971910,28341.4%3
Aug 13, 2026265,3603,209817,09732.5%3
Aug 12, 2026291,9500965,64230.2%3
Aug 11, 2026235,7630527,51144.7%3
Aug 10, 2026803,8871,5531,388,75057.9%3
Aug 7, 2026949,5458001,778,49853.4%3
Aug 6, 2026631,42901,024,36961.6%3
Aug 5, 2026224,83950378,42259.4%3
Aug 4, 2026574,328287944,18060.8%3
Aug 3, 2026435,5529,4401,075,99640.5%3
Jul 31, 2026505,305357683,72973.9%3
Jul 30, 2026580,205476848,05068.4%3
Jul 29, 2026665,934144,721770,63186.4%3
Jul 28, 2026350,51621553,19963.4%2
Jul 27, 2026589,458274769,60376.6%3
Jul 24, 2026410,6112,078539,47376.1%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.