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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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GKOS short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float6.4%56,805,000 float shares
Days to Cover3.6995,081 average daily volume
Open Short Position3,626,381Glaukos Corporation
Change vs Previous-1,076,961-22.9%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20263,626,381-1,076,961-22.9%3.66.4%
Jul 15, 20264,703,342+253,575+5.7%6.38.3%
Jun 30, 20264,449,767+273,841+6.6%4.57.8%

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, 2026116,1840181,85663.9%3
Aug 20, 2026132,138307304,31243.4%3
Aug 19, 2026104,9820218,58248.0%3
Aug 18, 202677,3410244,93731.6%3
Aug 17, 2026127,5302304,10341.9%3
Aug 14, 2026157,99316281,29156.2%3
Aug 13, 2026193,710192426,20845.4%3
Aug 12, 2026163,077111272,37259.9%3
Aug 11, 2026170,7740282,74460.4%3
Aug 10, 2026185,0070251,06573.7%3
Aug 7, 2026257,139341376,39968.3%3
Aug 6, 2026141,047728204,64868.9%3
Aug 5, 2026173,3120254,22168.2%3
Aug 4, 2026167,73010285,11558.8%3
Aug 3, 2026270,7380464,21658.3%3
Jul 31, 2026217,88870475,17145.9%3
Jul 30, 2026689,8333,6071,254,86955.0%3
Jul 29, 2026707,9782,6861,369,57051.7%3
Jul 28, 2026265,7040534,33849.7%3
Jul 27, 2026153,9210268,86157.2%3
Jul 24, 202691,574853144,60763.3%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.