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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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IRDM short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float3.7%93,316,000 float shares
Days to Cover2.21,564,086 average daily volume
Open Short Position3,457,705Iridium Communications Inc Com
Change vs Previous+631,514+22.4%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20263,457,705+631,514+22.4%2.23.7%
Jul 15, 20262,826,191-1,541,608-35.3%1.33.0%
Jun 30, 20264,367,799-5,120,246-54.0%1.04.7%

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, 2026155,7940305,14951.1%3
Aug 20, 2026206,9390408,96550.6%3
Aug 19, 2026134,02112273,20249.1%3
Aug 18, 2026162,7118,526326,33049.9%3
Aug 17, 2026153,0536646,98323.7%3
Aug 14, 2026117,0430231,43150.6%3
Aug 13, 2026171,7884,287652,04926.3%3
Aug 12, 2026109,1612309,34335.3%3
Aug 11, 2026143,3093469,89830.5%3
Aug 10, 2026136,35911356,16138.3%3
Aug 7, 2026180,8640361,52650.0%3
Aug 6, 2026116,2460254,60245.7%3
Aug 5, 2026154,76424277,10155.9%3
Aug 4, 2026195,71514453,37543.2%3
Aug 3, 2026290,8000523,78855.5%3
Jul 31, 2026226,3360458,07749.4%3
Jul 30, 2026320,6802,316574,62755.8%3
Jul 29, 2026228,179122409,82555.7%3
Jul 28, 2026435,909990795,60554.8%3
Jul 27, 2026249,2931,354489,04551.0%3
Jul 24, 2026232,554156438,23953.1%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.