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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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ACIW short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float5.8%99,626,000 float shares
Days to Cover6.4898,275 average daily volume
Open Short Position5,736,863ACI Worldwide, Inc. Common Sto
Change vs Previous+997,736+21.1%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20265,736,863+997,736+21.1%6.45.8%
Jul 15, 20264,739,127-203,814-4.1%4.34.8%
Jun 30, 20264,942,941+743,131+17.7%3.95.0%

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, 2026152,80226208,30973.4%3
Aug 20, 2026139,8910276,35950.6%3
Aug 19, 2026278,7170438,71063.5%3
Aug 18, 2026291,146100446,43665.2%3
Aug 17, 2026473,90946551,06486.0%3
Aug 14, 2026245,5670301,86081.4%3
Aug 13, 2026226,6830316,03271.7%3
Aug 12, 2026292,5680375,08078.0%3
Aug 11, 2026410,956105516,32979.6%3
Aug 10, 2026436,250618619,00670.5%3
Aug 7, 2026860,9151,3731,180,77072.9%3
Aug 6, 2026509,7065,519728,92569.9%3
Aug 5, 2026210,1220385,59654.5%3
Aug 4, 2026264,3490584,75945.2%3
Aug 3, 2026167,1700314,92653.1%3
Jul 31, 2026133,2550277,64048.0%3
Jul 30, 2026193,552280315,16861.4%3
Jul 29, 2026228,960756519,50744.1%3
Jul 28, 2026165,0245247,49366.7%3
Jul 27, 2026100,23640298,37333.6%3
Jul 24, 2026150,4520196,35276.6%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.