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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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GERN short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float14.3%535,354,000 float shares
Days to Cover9.97,761,220 average daily volume
Open Short Position76,807,284Geron Corporation Common Stock
Change vs Previous+6,885,798+9.8%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202676,807,284+6,885,798+9.8%9.914.3%
Jul 15, 202669,921,486-10,297,763-12.8%6.813.1%
Jun 30, 202680,219,249+5,372,809+7.2%4.715.0%

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, 20261,044,80353,9232,056,57350.8%3
Aug 20, 20262,143,6601,1662,791,31476.8%2
Aug 19, 20261,554,195249,6933,088,21550.3%3
Aug 18, 2026702,3812,8301,377,52851.0%3
Aug 17, 20262,034,38412,0233,265,06562.3%3
Aug 14, 20263,793,2903,7515,009,09775.7%3
Aug 13, 20261,616,61382,1032,564,37463.0%3
Aug 12, 20262,687,994103,7084,319,18162.2%3
Aug 11, 20263,418,19418,3655,322,49564.2%3
Aug 10, 20261,178,03015,8512,345,25050.2%3
Aug 7, 20262,301,2656024,379,68452.5%3
Aug 6, 20263,842,2965,5846,150,35962.5%3
Aug 5, 20266,571,71260,27012,988,08450.6%3
Aug 4, 20264,413,28922,1968,525,45851.8%3
Aug 3, 20266,716,66818,32912,491,60353.8%3
Jul 31, 20266,106,47433,33712,561,87048.6%3
Jul 30, 20265,706,7085,76811,317,48450.4%3
Jul 29, 20261,328,40312,9492,710,95049.0%3
Jul 28, 20261,191,1829,2522,239,38153.2%3
Jul 27, 20261,892,3005,3123,387,85555.9%3
Jul 24, 2026839,1111,5471,690,77449.6%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.