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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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GOSS short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float31.9%298,162,000 float shares
Days to Cover1.563,584,808 average daily volume
Open Short Position94,986,016Gossamer Bio, Inc. Common Stoc
Change vs Previous+21,807,175+29.8%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202694,986,016+21,807,175+29.8%1.531.9%
Jul 15, 202673,178,841+19,482,850+36.3%3.824.5%
Jun 30, 202653,695,991-2,516,015-4.5%3.218.0%

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, 202618,099,10654,54331,719,93557.1%3
Aug 20, 20262,271,69022,3583,771,15860.2%3
Aug 19, 20262,174,6032,3894,038,07853.9%3
Aug 18, 20262,925,0824504,554,42864.2%3
Aug 17, 202615,861,6772,497,26319,100,73883.0%3
Aug 14, 20265,188,865212,6848,812,48358.9%3
Aug 13, 20263,888,5546,1356,532,54059.5%3
Aug 12, 20261,248,30446,1292,757,10645.3%3
Aug 11, 20264,394,03261,1477,335,95259.9%3
Aug 10, 20265,065,66836,28711,238,12945.1%3
Aug 7, 20264,235,424162,0407,418,31757.1%3
Aug 6, 20263,471,498102,1435,682,40261.1%3
Aug 5, 20262,819,78457,9244,940,10257.1%3
Aug 4, 20265,557,266104,1218,962,10762.0%3
Aug 3, 20266,767,10167,9219,782,41769.2%3
Jul 31, 20266,316,2191,214,26313,757,62645.9%3
Jul 30, 202613,313,2592,102,88021,472,16062.0%3
Jul 29, 20269,961,9581,559,59718,068,16255.1%3
Jul 28, 202646,819,077628,14681,931,84857.1%3
Jul 27, 202686,706,440952,265138,752,61562.5%3
Jul 24, 20264,110,29213,4086,389,77564.3%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.