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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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ZYME short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float6.2%66,046,000 float shares
Days to Cover10.9376,796 average daily volume
Open Short Position4,106,590Zymeworks Inc. Common Stock
Change vs Previous+4,333+0.1%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20264,106,590+4,333+0.1%10.96.2%
Jul 15, 20264,102,257-262,061-6.0%7.66.2%
Jun 30, 20264,364,318-121,324-2.7%6.26.6%

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, 202683,245292225,45836.9%3
Aug 20, 202666,9460108,81961.5%3
Aug 19, 2026128,4320305,82942.0%3
Aug 18, 202698,0710203,35948.2%3
Aug 17, 202662,1040153,04040.6%3
Aug 14, 202669,6870112,78961.8%3
Aug 13, 2026182,4670269,09467.8%3
Aug 12, 2026117,4520209,73856.0%3
Aug 11, 2026130,5410203,61164.1%3
Aug 10, 2026224,8240299,29075.1%3
Aug 7, 2026142,054100192,52873.8%3
Aug 6, 2026160,5510191,66283.8%3
Aug 5, 202695,0900149,75363.5%3
Aug 4, 2026108,9800149,00973.1%3
Aug 3, 202672,476531143,16450.6%3
Jul 31, 202675,5670118,04664.0%3
Jul 30, 202661,4890126,32348.7%2
Jul 29, 202669,8760115,61360.4%3
Jul 28, 202673,1980123,80459.1%3
Jul 27, 202658,8540100,95358.3%3
Jul 24, 202644,761076,33658.6%2

Daily short volume is transaction flow reported through FINRA facilities. It does not measure open short positions and is not consolidated exchange-wide volume.