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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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AMSC short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float7.6%46,771,400 float shares
Days to Cover4.2833,218 average daily volume
Open Short Position3,532,626American Superconductor Corpor
Change vs Previous+129,088+3.8%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20263,532,626+129,088+3.8%4.27.6%
Jul 15, 20263,403,538+39,072+1.2%5.17.3%
Jun 30, 20263,364,466-96,210-2.8%3.37.2%

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, 2026244,5020351,09569.6%3
Aug 20, 2026127,9490224,06957.1%3
Aug 19, 2026121,756155215,53356.5%3
Aug 18, 2026150,179486251,37059.7%3
Aug 17, 2026108,786100199,60854.5%3
Aug 14, 202688,5175185,23047.8%3
Aug 13, 2026112,084161231,32148.5%3
Aug 12, 2026154,126102226,32668.1%3
Aug 11, 2026131,659500219,88459.9%3
Aug 10, 2026117,9323,526209,20356.4%3
Aug 7, 2026145,4419,214334,24443.5%3
Aug 6, 2026193,94211,521412,64747.0%3
Aug 5, 2026203,8370394,90651.6%3
Aug 4, 2026239,0561377,50163.3%3
Aug 3, 2026156,9671283,27255.4%3
Jul 31, 2026176,2291318,57255.3%3
Jul 30, 2026175,0070341,57451.2%3
Jul 29, 2026254,820182591,73343.1%3
Jul 28, 2026241,077119456,56152.8%3
Jul 27, 2026170,978669423,17740.4%3
Jul 24, 2026188,087219412,99045.5%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.