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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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AAOI short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float13.0%80,567,000 float shares
Days to Cover1.28,703,601 average daily volume
Open Short Position10,434,298Applied Optoelectronics, Inc.
Change vs Previous+497,303+5.0%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202610,434,298+497,303+5.0%1.213.0%
Jul 15, 20269,936,995-819,413-7.6%1.112.3%
Jun 30, 202610,756,408+523,863+5.1%1.013.4%

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, 20261,645,1477,0703,230,13850.9%3
Aug 20, 20262,206,4063,3794,571,82748.3%3
Aug 19, 20262,079,013332,2044,919,78242.3%3
Aug 18, 20263,279,850271,8405,977,96854.9%3
Aug 17, 20264,131,9766,3576,320,59165.4%3
Aug 14, 20264,055,2508,9818,091,95450.1%3
Aug 13, 20262,551,0592,8684,593,14355.5%3
Aug 12, 20263,218,7478455,738,51256.1%3
Aug 11, 20262,033,6481,7183,713,30054.8%3
Aug 10, 20264,868,3725,4818,019,72760.7%3
Aug 7, 20265,926,25922,05710,241,34057.9%3
Aug 6, 20263,124,5157,0634,840,86564.5%3
Aug 5, 20263,172,4865,1844,950,51864.1%3
Aug 4, 20264,177,6393,2397,088,19658.9%3
Aug 3, 20262,786,9411,5924,878,78957.1%3
Jul 31, 20262,005,4826,4323,986,17950.3%3
Jul 30, 20261,700,238115,7824,247,80540.0%3
Jul 29, 20262,093,376199,6735,269,75039.7%3
Jul 28, 20261,686,282184,8434,731,53335.6%3
Jul 27, 20261,133,851123,4343,126,56936.3%3
Jul 24, 20261,437,22280,8352,950,18948.7%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.