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Stockfacts

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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SYBX short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float––
Days to Cover1.0601,144 average daily volume
Open Short Position36,009SYNLOGIC INC Common Stock
Change vs Previous+3,627+11.2%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202636,009+3,627+11.2%1.0–
Jul 15, 202632,382+29,306+952.7%1.1–
Jun 30, 20263,076+17+0.6%1.0–

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, 202612,104030,87039.2%1
Aug 20, 20265,14806,30481.7%1
Aug 19, 202623,100075,22330.7%1
Aug 17, 20268001,5135.3%1
Aug 14, 20267,70007,76099.2%1
Aug 13, 202678,8500115,06868.5%1
Aug 11, 20265,82408,82866.0%1
Aug 5, 20261,600024,6676.5%1
Aug 4, 202690,9720155,27358.6%1
Aug 3, 202611,200026,26642.6%1
Jul 31, 2026105,7510300,80135.2%1
Jul 30, 202647,2440485,2939.7%1
Jul 29, 2026608,76902,321,86726.2%1
Jul 28, 202625,000088,37728.3%1

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