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UNP · Union Pacific Corp · Short Volume

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$272.13 -2.02 (-0.74%)
S&P 500 member Russell 1000 member Rebalance outlook locked
Market Cap
$162.65B
Shares
594.08M
Volume · Sep 30 2.79M Avg daily vol (3M) 2.66M

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

Pull daily short volume through the short interest API or MCP →
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    • Short Volume

    Date Short Volume Short Exempt Total Volume Short %
    2026-09-29 270,601 269 578,727 46.8%
    2026-09-28 314,379 912 618,792 50.8%
    2026-09-25 324,961 344 638,151 50.9%
    2026-09-24 316,297 1,443 700,298 45.2%
    2026-09-23 300,583 58 704,137 42.7%
    2026-09-22 528,492 742 1,266,716 41.7%
    2026-09-21 1,108,632 414 2,510,622 44.2%
    2026-09-18 517,229 13 738,028 70.1%
    2026-09-17 293,363 53 737,789 39.8%
    2026-09-16 562,438 0 1,150,420 48.9%
    2026-09-15 241,466 1,537 527,372 45.8%
    2026-09-14 303,977 532 528,568 57.5%
    2026-09-11 335,794 572 588,339 57.1%
    2026-09-10 288,749 1,283 722,659 40.0%
    2026-09-09 325,732 165 675,954 48.2%
    2026-09-08 252,203 1,416 463,682 54.4%
    2026-09-04 376,257 34 546,534 68.8%
    2026-09-03 460,674 250 795,979 57.9%
    2026-09-02 371,600 101 815,272 45.6%
    2026-09-01 595,282 613 1,356,988 43.9%
    2026-08-31 353,502 200 713,754 49.5%
    2026-08-28 418,346 18 622,305 67.2%
    2026-08-27 377,789 158 890,086 42.4%
    2026-08-26 395,834 1,006 953,872 41.5%
    2026-08-25 423,205 832 714,751 59.2%
    2026-08-24 461,638 1,727 894,064 51.6%
    2026-08-21 547,586 2 851,166 64.3%
    2026-08-20 927,606 160 1,644,444 56.4%
    2026-08-19 609,215 26 1,391,121 43.8%
    2026-08-18 371,856 298 640,161 58.1%
    2026-08-17 405,831 118 788,554 51.5%
    2026-08-14 488,304 2 959,569 50.9%
    2026-08-13 661,248 8 1,021,522 64.7%
    2026-08-12 336,424 946 621,998 54.1%
    2026-08-11 289,370 2 616,488 46.9%
    2026-08-10 448,914 85 751,295 59.8%
    2026-08-07 761,134 110 1,034,519 73.6%
    2026-08-06 349,889 3,097 588,374 59.5%
    2026-08-05 565,833 5,427 975,550 58.0%
    2026-08-04 566,272 785 1,025,696 55.2%
    2026-08-03 401,249 5 802,182 50.0%
    2026-07-31 517,474 808 1,093,444 47.3%
    2026-07-30 681,383 22 1,611,793 42.3%
    2026-07-29 576,328 0 1,252,516 46.0%
    2026-07-28 382,051 15 1,968,616 19.4%
    2026-07-27 524,717 912 1,355,016 38.7%
    2026-07-24 497,465 11,224 1,564,382 31.8%
    2026-07-23 1,170,580 49,296 2,931,711 39.9%
    2026-07-22 630,834 10 1,455,668 43.3%
    2026-07-21 462,095 0 1,149,530 40.2%
    Showing 1–50 of 64 days
    Key facts CIK 100885 CUSIP 907818108 13F (30d) 52 filings 33 filers Visit website Investor relations