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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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CENX short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float14.5%68,617,000 float shares
Days to Cover5.71,732,698 average daily volume
Open Short Position9,917,565Century Aluminum Company Commo
Change vs Previous+140,571+1.4%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20269,917,565+140,571+1.4%5.714.5%
Jul 15, 20269,776,994+243,390+2.5%5.114.2%
Jun 30, 20269,533,604+1,279,349+15.5%3.113.9%

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, 2026380,8766741,96151.3%3
Aug 20, 2026577,64710,949997,84657.9%3
Aug 19, 20261,533,11716,6812,866,01553.5%3
Aug 18, 2026553,987262969,23057.2%3
Aug 17, 2026301,12699579,50352.0%3
Aug 14, 2026213,642343481,30844.4%3
Aug 13, 2026356,019316935,97938.0%3
Aug 12, 2026466,7912151,352,02734.5%3
Aug 11, 2026348,9189867,41640.2%3
Aug 10, 2026380,382209907,56541.9%3
Aug 7, 2026753,0293031,702,85444.2%3
Aug 6, 2026931,9852021,588,67758.7%3
Aug 5, 2026410,3924921,168,24735.1%3
Aug 4, 2026272,3511580,16646.9%3
Aug 3, 2026161,1700452,09435.6%3
Jul 31, 2026203,8730801,82025.4%3
Jul 30, 2026207,0610488,41142.4%3
Jul 29, 2026289,656492782,73637.0%3
Jul 28, 2026267,2800529,32650.5%3
Jul 27, 2026228,5270431,98852.9%3
Jul 24, 2026485,2851693,55870.0%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.