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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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OMER short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float22.1%69,813,000 float shares
Days to Cover9.91,561,802 average daily volume
Open Short Position15,420,416Omeros Corporation Common Stoc
Change vs Previous+328,346+2.2%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202615,420,416+328,346+2.2%9.922.1%
Jul 15, 202615,092,070-44,070-0.3%11.921.6%
Jun 30, 202615,136,140-2,967,465-16.4%5.621.7%

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, 2026378,56715,577772,42749.0%3
Aug 20, 2026250,9792,826566,62344.3%3
Aug 19, 2026590,05616,5831,359,86343.4%3
Aug 18, 2026227,7315,926472,06748.2%3
Aug 17, 2026400,95519,405931,63643.0%3
Aug 14, 2026737,67258,2401,332,43155.4%3
Aug 13, 20262,169,26325,9925,058,28142.9%3
Aug 12, 2026374,8851,300708,16552.9%3
Aug 11, 2026358,7251,277616,92458.1%3
Aug 10, 2026234,126630481,45348.6%3
Aug 7, 2026250,451422373,27167.1%3
Aug 6, 2026141,3845,084283,91449.8%2
Aug 5, 2026228,1900349,56165.3%3
Aug 4, 2026364,4443,020642,20156.7%3
Aug 3, 2026153,1771,609395,59438.7%3
Jul 31, 2026328,146198497,05566.0%3
Jul 30, 2026264,5940468,48856.5%3
Jul 29, 2026462,2941,915667,66769.2%3
Jul 28, 2026641,5825,270953,05867.3%3
Jul 27, 2026657,58026,7671,129,80258.2%3
Jul 24, 2026125,866309210,63459.8%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.