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COLL · Collegium Pharmaceutical, Inc · Short Volume

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$23.50 +0.59 (+2.55%) At close · Oct 22
S&P 600 member Russell 2000 member Rebalance outlook locked
Market Cap
$765.06M
Shares
32.56M
Volume · Oct 22 738.78K Avg daily vol (3M) 789.32K

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 %
    2026-10-22 104,979 0 229,741 45.7%
    2026-10-21 78,298 0 135,405 57.8%
    2026-10-20 131,952 0 241,175 54.7%
    2026-10-19 120,729 0 276,652 43.6%
    2026-10-16 114,201 0 207,574 55.0%
    2026-10-15 210,754 0 384,311 54.8%
    2026-10-14 167,985 0 260,838 64.4%
    2026-10-13 169,582 200 322,675 52.6%
    2026-10-12 113,198 0 181,190 62.5%
    2026-10-09 95,987 0 169,475 56.6%
    2026-10-08 104,428 0 161,057 64.8%
    2026-10-07 115,153 0 171,984 67.0%
    2026-10-06 120,509 0 195,874 61.5%
    2026-10-05 184,513 2,715 329,113 56.1%
    2026-10-02 153,414 100 272,109 56.4%
    2026-10-01 251,441 0 337,248 74.6%
    2026-09-30 162,539 0 251,349 64.7%
    2026-09-29 205,111 0 381,238 53.8%
    2026-09-28 112,163 0 245,589 45.7%
    2026-09-25 106,565 0 198,663 53.6%
    2026-09-24 144,558 0 268,542 53.8%
    2026-09-23 193,541 0 326,163 59.3%
    2026-09-22 95,615 0 168,238 56.8%
    2026-09-21 160,116 0 320,740 49.9%
    2026-09-18 307,354 0 457,522 67.2%
    2026-09-17 215,672 0 337,866 63.8%
    2026-09-16 212,164 300 481,704 44.0%
    2026-09-15 182,820 56 321,819 56.8%
    2026-09-14 197,669 0 324,919 60.8%
    2026-09-11 126,286 0 286,654 44.1%
    2026-09-10 146,021 0 273,468 53.4%
    2026-09-09 170,234 0 399,806 42.6%
    2026-09-08 137,992 0 432,380 31.9%
    2026-09-04 103,264 0 354,097 29.2%
    2026-09-03 115,799 0 351,722 32.9%
    2026-09-02 137,211 0 307,891 44.6%
    2026-09-01 144,575 0 332,810 43.4%
    2026-08-31 164,504 35 326,512 50.4%
    2026-08-28 101,564 150 306,860 33.1%
    2026-08-27 139,300 23,800 383,891 36.3%
    2026-08-26 87,195 0 235,159 37.1%
    2026-08-25 66,508 0 241,760 27.5%
    2026-08-24 108,198 0 292,573 37.0%
    2026-08-21 86,048 0 264,480 32.5%
    2026-08-20 106,022 0 269,733 39.3%
    2026-08-19 143,337 75 336,022 42.7%
    2026-08-18 89,845 0 381,422 23.6%
    2026-08-17 212,832 0 331,594 64.2%
    2026-08-14 152,375 0 259,337 58.8%
    2026-08-13 269,481 63 667,858 40.3%
    Showing 1–50 of 65 days
    Key facts CIK 1267565 CUSIP 19459J104 13F (30d) 27 filings 27 filers Visit website Investor relations