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WST · West Pharmaceutical Services Inc · Short Volume

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$364.98 -0.03 (-0.01%)
S&P 500 member Russell 1000 member Rebalance outlook locked
Market Cap
$26.07B
Shares
70.38M
Volume · Oct 2 473.5K Avg daily vol (3M) 641.5K

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 %
    2026-10-02 143,929 0 215,966 66.6%
    2026-10-01 139,613 204 275,375 50.7%
    2026-09-30 75,163 30 177,426 42.4%
    2026-09-29 129,512 0 243,730 53.1%
    2026-09-28 73,418 1 230,220 31.9%
    2026-09-25 83,566 6 173,691 48.1%
    2026-09-24 117,107 77 338,442 34.6%
    2026-09-23 111,671 0 347,616 32.1%
    2026-09-22 156,731 6 316,603 49.5%
    2026-09-21 103,414 300 192,802 53.6%
    2026-09-18 137,425 3 190,523 72.1%
    2026-09-17 141,821 0 210,066 67.5%
    2026-09-16 132,257 0 265,837 49.8%
    2026-09-15 195,849 411 355,454 55.1%
    2026-09-14 139,401 0 218,165 63.9%
    2026-09-11 119,897 0 215,083 55.7%
    2026-09-10 202,911 24 307,145 66.1%
    2026-09-09 89,592 100 155,378 57.7%
    2026-09-08 79,637 4 206,298 38.6%
    2026-09-04 55,455 0 141,035 39.3%
    2026-09-03 51,267 0 77,434 66.2%
    2026-09-02 70,319 0 110,466 63.7%
    2026-09-01 120,481 0 176,832 68.1%
    2026-08-31 108,418 0 160,569 67.5%
    2026-08-28 110,325 53 187,371 58.9%
    2026-08-27 114,293 0 157,396 72.6%
    2026-08-26 81,749 0 147,892 55.3%
    2026-08-25 105,111 1 161,814 65.0%
    2026-08-24 167,030 0 219,299 76.2%
    2026-08-21 104,321 0 232,356 44.9%
    2026-08-20 152,648 0 243,886 62.6%
    2026-08-19 150,130 0 202,076 74.3%
    2026-08-18 39,139 1 79,649 49.1%
    2026-08-17 58,000 0 96,686 60.0%
    2026-08-14 66,408 0 115,379 57.6%
    2026-08-13 78,755 0 305,088 25.8%
    2026-08-12 75,862 0 122,296 62.0%
    2026-08-11 101,862 0 168,661 60.4%
    2026-08-10 113,919 0 238,456 47.8%
    2026-08-07 78,553 0 178,903 43.9%
    2026-08-06 66,275 11 134,233 49.4%
    2026-08-05 92,575 0 150,185 61.6%
    2026-08-04 89,049 1 158,334 56.2%
    2026-08-03 134,142 2,456 241,111 55.6%
    2026-07-31 116,584 67 338,799 34.4%
    2026-07-30 97,528 0 181,653 53.7%
    2026-07-29 221,615 0 451,068 49.1%
    2026-07-28 262,361 0 391,796 67.0%
    2026-07-27 300,957 0 773,302 38.9%
    2026-07-24 316,743 742 643,632 49.2%
    Showing 1–50 of 65 days
    Key facts CIK 105770 CUSIP 955306105 13F (30d) 19 filings 15 filers Visit website Investor relations