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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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TMDX short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float22.9%33,544,700 float shares
Days to Cover9.5807,866 average daily volume
Open Short Position7,672,830TransMedics Group, Inc. Common
Change vs Previous-42,502-0.6%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20267,672,830-42,502-0.6%9.522.9%
Jul 15, 20267,715,332-150,365-1.9%9.523.0%
Jun 30, 20267,865,697+184,699+2.4%6.023.4%

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, 2026155,110944254,37961.0%3
Aug 20, 2026113,8611,643215,15552.9%3
Aug 19, 2026194,092325330,88758.7%3
Aug 18, 2026186,0006,714330,72856.2%3
Aug 17, 2026127,139721233,00154.6%3
Aug 14, 2026122,650112197,19562.2%3
Aug 13, 2026222,1312,457312,65771.0%3
Aug 12, 2026199,0580296,22667.2%3
Aug 11, 2026287,24664,250469,81561.1%3
Aug 10, 2026399,117112,571712,68956.0%3
Aug 7, 2026149,46857278,79453.6%3
Aug 6, 2026217,8077,200458,33947.5%3
Aug 5, 2026788,61936,0391,361,25257.9%3
Aug 4, 2026306,8133,492508,22560.4%3
Aug 3, 2026368,44655607,56860.6%3
Jul 31, 2026107,479129192,81955.7%3
Jul 30, 2026211,3556,959388,78354.4%3
Jul 29, 2026374,0621493,12975.9%3
Jul 28, 2026175,646771261,31167.2%3
Jul 27, 2026172,20724244,19470.5%3
Jul 24, 2026351,052972497,42270.6%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.