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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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PTC short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float6.1%107,811,000 float shares
Days to Cover3.61,803,791 average daily volume
Open Short Position6,540,347PTC Inc. Common Stock
Change vs Previous+592,555+10.0%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20266,540,347+592,555+10.0%3.66.1%
Jul 15, 20265,947,792+547,986+10.2%4.05.5%
Jun 30, 20265,399,806+636,949+13.4%2.25.0%

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, 2026152,1660278,33354.7%3
Aug 20, 2026243,9470341,95671.3%3
Aug 19, 2026222,5137,401381,20558.4%3
Aug 18, 2026167,1470403,80841.4%3
Aug 17, 2026159,31410303,59252.5%3
Aug 14, 2026215,944634331,67465.1%3
Aug 13, 2026244,8781,009483,85250.6%3
Aug 12, 2026168,2411299,77756.1%3
Aug 11, 2026178,315121293,72760.7%3
Aug 10, 2026294,4950518,89456.8%3
Aug 7, 2026309,37598529,72558.4%3
Aug 6, 2026500,146152889,19856.2%3
Aug 5, 2026131,80051319,23541.3%3
Aug 4, 2026218,747312563,54538.8%3
Aug 3, 2026312,118156495,96562.9%3
Jul 31, 2026320,551100996,31932.2%3
Jul 30, 2026536,74101,547,17634.7%3
Jul 29, 2026530,54751,471,21036.1%3
Jul 28, 2026208,5034591,11635.3%3
Jul 27, 2026207,13456382,96354.1%3
Jul 24, 2026291,0191,027676,01543.0%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.