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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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CISS short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float890.8%321,810 float shares
Days to Cover1.050,050,874 average daily volume
Open Short Position2,866,583C3is Inc. Common Stock
Change vs Previous+2,805,603+4600.9%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20262,866,583+2,805,603+4600.9%1.0890.8%
Jul 15, 202660,980+24,973+69.4%1.018.9%
Jun 30, 202636,007-46,525-56.4%1.011.2%

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, 202640,34815,48380,20450.3%3
Aug 20, 202662,6579,922133,24647.0%3
Aug 19, 20262,602,66317,0214,334,31760.0%3
Aug 18, 20263,909,7941,006,2167,501,52752.1%2
Aug 17, 20265,324,6251,035,67311,363,83046.9%2
Aug 14, 2026780,51101,843,06742.3%3
Aug 13, 20261,713,7826,6814,628,86837.0%2
Aug 12, 20262,048,73304,273,03047.9%2
Aug 11, 20261,687,1451,0003,609,64146.7%3
Aug 10, 20262,765,810494,5056,035,38445.8%3
Aug 7, 20263,854,660590,7519,093,21342.4%3
Aug 6, 20265,165,068945,04813,472,31638.3%3
Aug 5, 202664,445,29613,489,344115,345,19455.9%3
Aug 4, 202612,826,8423,026,85922,531,15656.9%3
Aug 3, 20266,668,3971,157,38214,283,99946.7%3
Jul 31, 20262,870,511154,8389,488,79030.3%3
Jul 30, 20266,755,6422,086,18514,500,93846.6%3
Jul 29, 20269,072,5221,821,33620,991,17043.2%3
Jul 28, 202658,781,01811,788,636106,103,34055.4%3
Jul 27, 20265,919,0571,396,15713,730,72343.1%3
Jul 24, 2026541,310142,912848,64163.8%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.