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COLB · Columbia Banking System, Inc. · Short Volume

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$28.96 +0.04 (+0.12%)
S&P 400 member Russell 1000 member Rebalance outlook locked
Market Cap
$8.13B
Shares
282.90M
Volume · Oct 5 546.59K Avg daily vol (3M) 2.88M

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 %
    2026-10-02 305,741 2 752,083 40.7%
    2026-10-01 375,131 338 989,758 37.9%
    2026-09-30 392,916 871 660,193 59.5%
    2026-09-29 240,693 1,049 1,145,622 21.0%
    2026-09-28 292,939 3,273 649,456 45.1%
    2026-09-25 252,418 0 410,696 61.5%
    2026-09-24 395,935 0 1,056,790 37.5%
    2026-09-23 388,055 123 835,602 46.4%
    2026-09-22 438,108 33 667,085 65.7%
    2026-09-21 336,394 304 495,998 67.8%
    2026-09-18 293,080 12 404,071 72.5%
    2026-09-17 434,513 0 602,515 72.1%
    2026-09-16 358,731 689 690,162 52.0%
    2026-09-15 400,852 725 835,387 48.0%
    2026-09-14 346,101 1,726 1,033,123 33.5%
    2026-09-11 394,870 0 978,996 40.3%
    2026-09-10 639,252 68 1,270,767 50.3%
    2026-09-09 418,560 220 854,656 49.0%
    2026-09-08 482,269 0 1,415,063 34.1%
    2026-09-04 372,387 0 636,100 58.5%
    2026-09-03 339,542 0 912,705 37.2%
    2026-09-02 615,112 0 1,511,820 40.7%
    2026-09-01 801,230 0 1,310,238 61.2%
    2026-08-31 329,577 2 626,259 52.6%
    2026-08-28 526,729 0 825,663 63.8%
    2026-08-27 300,312 0 472,002 63.6%
    2026-08-26 303,124 0 981,168 30.9%
    2026-08-25 334,814 71 728,986 45.9%
    2026-08-24 342,963 133 1,023,878 33.5%
    2026-08-21 294,817 0 554,774 53.1%
    2026-08-20 433,917 16 1,015,125 42.7%
    2026-08-19 1,213,444 10 1,925,171 63.0%
    2026-08-18 848,653 0 1,012,719 83.8%
    2026-08-17 518,848 130 751,820 69.0%
    2026-08-14 681,897 340 907,819 75.1%
    2026-08-13 1,599,596 9 1,806,638 88.5%
    2026-08-12 965,591 0 1,197,319 80.6%
    2026-08-11 543,035 122 770,058 70.5%
    2026-08-10 448,502 0 633,642 70.8%
    2026-08-07 603,866 0 819,430 73.7%
    2026-08-06 346,516 84 555,637 62.4%
    2026-08-05 353,630 26 706,231 50.1%
    2026-08-04 256,421 0 517,409 49.6%
    2026-08-03 374,472 0 902,541 41.5%
    2026-07-31 320,296 101 719,456 44.5%
    2026-07-30 599,018 4,319 1,333,851 44.9%
    2026-07-29 466,351 2 673,513 69.2%
    2026-07-28 585,697 1,314 931,277 62.9%
    2026-07-27 471,589 2,652 834,371 56.5%
    2026-07-24 1,196,566 137 1,967,646 60.8%
    Showing 1–50 of 64 days
    Key facts CIK 887343 CUSIP 197236102 13F (30d) 13 filings 11 filers Visit website Investor relations