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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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COLL short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float15.8%32,170,500 float shares
Days to Cover17.4292,836 average daily volume
Open Short Position5,080,634Collegium Pharmaceutical, Inc.
Change vs Previous-152,880-2.9%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20265,080,634-152,880-2.9%17.415.8%
Jul 15, 20265,233,514-233,019-4.3%11.216.3%
Jun 30, 20265,466,533+138,190+2.6%10.817.0%

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, 202686,0470264,48032.5%3
Aug 20, 2026106,0210269,73239.3%3
Aug 19, 2026143,33675336,02242.7%3
Aug 18, 202689,8450381,42123.6%3
Aug 17, 2026212,8320331,59264.2%3
Aug 14, 2026152,3740259,33658.8%3
Aug 13, 2026269,48063667,85740.3%3
Aug 12, 2026163,78532522,93731.3%3
Aug 11, 2026221,5450543,85040.7%3
Aug 10, 2026213,1000386,30155.2%3
Aug 7, 2026258,93828,129394,12865.7%3
Aug 6, 2026558,83914,354901,22562.0%3
Aug 5, 202661,0180156,01139.1%2
Aug 4, 202660,7290167,16736.3%3
Aug 3, 202665,78190137,40847.9%3
Jul 31, 202660,401087,42769.1%3
Jul 30, 202651,269088,94357.6%3
Jul 29, 202685,0880143,96859.1%3
Jul 28, 202632,327081,98339.4%3
Jul 27, 202645,6530116,29439.3%3
Jul 24, 202640,347092,55243.6%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.