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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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REGN short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float3.5%95,693,000 float shares
Days to Cover3.9858,662 average daily volume
Open Short Position3,385,841Regeneron Pharmaceuticals, Inc
Change vs Previous-115,362-3.3%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20263,385,841-115,362-3.3%3.93.5%
Jul 15, 20263,501,203+6,783+0.2%4.73.7%
Jun 30, 20263,494,420+190,091+5.8%2.93.7%

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, 2026100,83510,897184,47154.7%3
Aug 20, 2026109,3617,014194,60756.2%3
Aug 19, 2026138,06535,891284,73648.5%3
Aug 18, 2026113,6629,599216,81152.4%3
Aug 17, 202669,8935,021188,74837.0%3
Aug 14, 202687,8474,449143,99461.0%3
Aug 13, 2026140,23410,197283,68549.4%3
Aug 12, 202681,5646,848186,27743.8%3
Aug 11, 2026116,87814,388271,48143.1%3
Aug 10, 2026170,61531,722301,85956.5%3
Aug 7, 202693,10312,143214,33543.4%3
Aug 6, 202668,9131,794161,21942.7%3
Aug 5, 202693,67313,695201,42246.5%3
Aug 4, 2026103,3482,558292,85435.3%3
Aug 3, 2026190,17813,541345,27955.1%3
Jul 31, 2026286,86828,372439,20165.3%3
Jul 30, 2026299,2068,913546,56054.7%3
Jul 29, 2026183,6478,717376,12648.8%3
Jul 28, 2026177,0921,782293,58360.3%3
Jul 27, 2026116,2022,264222,14552.3%3
Jul 24, 202699,5981,211236,58042.1%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.