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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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WST short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float3.6%69,873,000 float shares
Days to Cover2.5987,227 average daily volume
Open Short Position2,510,898West Pharmaceutical Services,
Change vs Previous+150,628+6.4%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20262,510,898+150,628+6.4%2.53.6%
Jul 15, 20262,360,270+43,539+1.9%3.63.4%
Jun 30, 20262,316,731+28,566+1.3%2.33.3%

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, 2026104,3200232,35444.9%3
Aug 20, 2026152,6470243,88662.6%3
Aug 19, 2026150,1290202,07574.3%3
Aug 18, 202639,139179,64849.1%2
Aug 17, 202657,999096,68660.0%3
Aug 14, 202666,4070115,37857.6%3
Aug 13, 202678,7540305,08725.8%3
Aug 12, 202675,8600122,29362.0%3
Aug 11, 2026101,8610168,66060.4%3
Aug 10, 2026113,9180238,45547.8%3
Aug 7, 202678,5520178,90143.9%3
Aug 6, 202666,27511134,23249.4%3
Aug 5, 202692,5740150,18461.6%3
Aug 4, 202689,0481158,33356.2%3
Aug 3, 2026134,1422,456241,11055.6%3
Jul 31, 2026116,58367338,79834.4%3
Jul 30, 202697,5270181,65253.7%3
Jul 29, 2026221,6140451,06749.1%3
Jul 28, 2026262,3600391,79567.0%3
Jul 27, 2026300,9560773,30138.9%3
Jul 24, 2026316,742742643,63149.2%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.