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UNP · Union Pacific Corp

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$293.68 -4.11 (-1.38%) At close · Aug 14
Market Cap
$174.50B
Shares
594.08M

Shares sold short and not yet covered, reported twice monthly. Days to cover is the reported short position divided by average daily volume.

Model estimate

Expected Aug 14 short interest

as of Aug 14
26,227,676 -0.2% vs reported
The latest estimate appears in the chart below. Official release expected Aug 25. Methodology
Short Squeeze Score
62/100
Short interest 4.4% of shares — P70 Days to cover 6.9 — P79 Price vs VWAP +5.1% — P67 Short-volume trend -16.0% — P9 Short interest change -6.9% — P34 Worst FTD 7.17% of shares — P99

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-07-31). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.

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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-08-31 Scheduled
    FINRA publishes Sep 10
    		 — — — —
    2026-08-14 Scheduled
    FINRA publishes Aug 25
    		 — — — —
    2026-07-31 26,281,287 28,233,358 -1,952,071 6.86
    2026-07-15 28,233,358 28,484,157 -250,799 12.49
    2026-06-30 28,484,157 29,458,961 -974,804 9.34
    2026-06-15 29,458,961 29,652,815 -193,854 11.71
    2026-05-29 29,652,815 28,916,554 +736,261 7.84
    2026-05-15 28,916,554 29,367,094 -450,540 11.90
    2026-04-30 29,367,094 26,536,709 +2,830,385 7.88
    2026-04-15 26,536,709 28,203,927 -1,667,218 10.76
    2026-03-31 28,203,927 26,520,645 +1,683,282 9.46
    2026-03-13 26,520,645 27,857,473 -1,336,828 9.26
    2026-02-27 27,857,473 28,109,310 -251,837 8.51
    2026-02-13 28,109,310 26,543,751 +1,565,559 5.96
    2026-01-30 26,543,751 25,275,570 +1,268,181 6.42
    2026-01-15 25,275,570 24,820,661 +454,909 9.15
    2025-12-31 24,820,661 24,315,985 +504,676 11.30
    2025-12-15 24,315,985 22,308,388 +2,007,597 7.01
    2025-11-28 22,308,388 20,809,880 +1,498,508 6.87
    2025-11-14 20,809,880 19,914,219 +895,661 6.83
    2025-10-31 19,914,219 18,338,494 +1,575,725 5.78
    2025-10-15 18,338,494 17,205,349 +1,133,145 6.14
    2025-09-30 17,205,349 14,491,431 +2,713,918 3.09
    2025-09-15 14,491,431 11,574,832 +2,916,599 3.26
    2025-08-29 11,574,832 10,550,516 +1,024,316 2.52
    2025-08-15 10,550,516 9,093,475 +1,457,041 2.86
    Showing 1–24 of 24 settlements
    Key facts CIK 100885 CUSIP 907818108 13F (30d) 2519 filings 2456 filers Visit website Investor relations

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