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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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MGNI short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float8.2%141,446,000 float shares
Days to Cover5.62,093,457 average daily volume
Open Short Position11,638,779Magnite, Inc. Common Stock
Change vs Previous-1,967,354-14.5%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202611,638,779-1,967,354-14.5%5.68.2%
Jul 15, 202613,606,133-1,106,743-7.5%5.49.6%
Jun 30, 202614,712,876+1,293,605+9.6%3.610.4%

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, 2026172,1540631,05327.3%3
Aug 20, 2026356,6204,637980,10136.4%3
Aug 19, 2026338,715464827,87640.9%3
Aug 18, 2026365,4386,6111,118,79332.7%3
Aug 17, 2026296,7122,421931,26031.9%3
Aug 14, 2026474,9746,5501,895,88525.1%3
Aug 13, 2026380,9085421,009,65937.7%3
Aug 12, 2026280,0199,408740,14837.8%3
Aug 11, 2026404,9999,307854,70947.4%3
Aug 10, 2026295,522131,076,43427.5%3
Aug 7, 2026442,96516,6451,702,65826.0%3
Aug 6, 2026981,9859,8974,423,17422.2%3
Aug 5, 2026307,3842,255976,66131.5%3
Aug 4, 2026312,3161671,292,71624.2%3
Aug 3, 2026193,14640,243382,19150.5%3
Jul 31, 2026259,0530508,39151.0%3
Jul 30, 2026275,868754620,17444.5%3
Jul 29, 2026359,6110920,06139.1%3
Jul 28, 2026298,3142,109827,25736.1%3
Jul 27, 2026382,229150741,39851.6%3
Jul 24, 2026489,061133865,44156.5%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.