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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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UNP short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float4.4%592,038,000 float shares
Days to Cover6.93,832,428 average daily volume
Open Short Position26,281,287Union Pacific Corp.
Change vs Previous-1,952,071-6.9%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202626,281,287-1,952,071-6.9%6.94.4%
Jul 15, 202628,233,358-250,799-0.9%12.54.8%
Jun 30, 202628,484,157-974,804-3.3%9.34.8%

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, 2026547,5862851,16464.3%3
Aug 20, 2026927,6051601,644,44356.4%3
Aug 19, 2026609,215261,391,12043.8%3
Aug 18, 2026371,855298640,16058.1%3
Aug 17, 2026405,830118788,55351.5%3
Aug 14, 2026488,3022959,56750.9%3
Aug 13, 2026661,24681,021,52164.7%3
Aug 12, 2026336,423946621,99654.1%3
Aug 11, 2026289,3682616,48646.9%3
Aug 10, 2026448,91385751,29459.8%3
Aug 7, 2026761,1331101,034,51873.6%3
Aug 6, 2026349,8893,097588,37259.5%3
Aug 5, 2026565,8325,427975,54958.0%3
Aug 4, 2026566,2717851,025,69455.2%3
Aug 3, 2026401,2485802,18050.0%3
Jul 31, 2026517,4748081,093,44347.3%3
Jul 30, 2026681,383221,611,79242.3%3
Jul 29, 2026576,32701,252,51546.0%3
Jul 28, 2026382,050151,968,61419.4%3
Jul 27, 2026524,7179121,355,01438.7%3
Jul 24, 2026497,46411,2241,564,38031.8%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.