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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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CCOI short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float16.4%42,336,100 float shares
Days to Cover6.41,090,521 average daily volume
Open Short Position6,954,163Cogent Communications Holdings
Change vs Previous+17,454+0.3%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20266,954,163+17,454+0.3%6.416.4%
Jul 15, 20266,936,709-172,607-2.4%5.616.4%
Jun 30, 20267,109,316+1,301,246+22.4%4.216.8%

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, 2026458,8718,116801,79757.2%3
Aug 20, 2026411,74816,085694,00559.3%3
Aug 19, 2026594,38217,371977,99560.8%3
Aug 18, 2026582,8680780,90574.6%3
Aug 17, 2026312,1630506,04261.7%3
Aug 14, 2026565,984294972,11058.2%3
Aug 13, 2026467,6561,900944,88649.5%3
Aug 12, 2026363,6120572,66963.5%3
Aug 11, 2026458,2340734,23362.4%3
Aug 10, 2026405,18630,190960,46242.2%3
Aug 7, 2026727,85483,0861,685,32343.2%3
Aug 6, 2026771,54924,3911,311,00158.9%3
Aug 5, 2026278,1372,853548,02950.8%3
Aug 4, 2026189,8140394,02648.2%3
Aug 3, 2026276,2830518,17753.3%3
Jul 31, 2026210,8610326,12664.7%3
Jul 30, 2026237,0970355,15066.8%3
Jul 29, 2026297,9961,700517,45457.6%3
Jul 28, 2026205,59214385,13553.4%3
Jul 27, 2026246,3150379,98464.8%3
Jul 24, 2026162,2740291,46655.7%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.