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VRTX · Vertex Pharmaceuticals Inc / Ma · Short Volume

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$522.81 -3.92 (-0.74%) At close · Sep 30
S&P 500 member Nasdaq-100 member Russell 1000 member Rebalance outlook locked
Market Cap
$133.37B
Shares
253.46M
Volume · Sep 30 1.15M Avg daily vol (3M) 1.23M

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 %
    2026-09-30 207,069 61 337,998 61.3%
    2026-09-29 132,757 669 185,191 71.7%
    2026-09-28 148,669 15 236,621 62.8%
    2026-09-25 209,533 30 282,605 74.1%
    2026-09-24 207,767 13 286,274 72.6%
    2026-09-23 255,489 8 396,583 64.4%
    2026-09-22 286,722 691 500,286 57.3%
    2026-09-21 167,348 5 276,034 60.6%
    2026-09-18 199,083 30 316,195 63.0%
    2026-09-17 164,848 695 253,294 65.1%
    2026-09-16 165,188 665 261,212 63.2%
    2026-09-15 193,414 1 282,490 68.5%
    2026-09-14 202,193 0 298,843 67.7%
    2026-09-11 144,280 0 229,006 63.0%
    2026-09-10 143,138 20 233,414 61.3%
    2026-09-09 153,378 6 285,178 53.8%
    2026-09-08 194,808 267 302,628 64.4%
    2026-09-04 170,978 0 276,327 61.9%
    2026-09-03 170,448 1,368 245,766 69.4%
    2026-09-02 483,585 85 857,219 56.4%
    2026-09-01 159,028 1,140 271,617 58.5%
    2026-08-31 167,833 3 243,891 68.8%
    2026-08-28 160,132 76 249,494 64.2%
    2026-08-27 245,923 74 385,195 63.8%
    2026-08-26 187,754 49 275,512 68.1%
    2026-08-25 174,272 298 244,869 71.2%
    2026-08-24 138,097 0 210,316 65.7%
    2026-08-21 206,590 1,730 338,255 61.1%
    2026-08-20 159,314 140 294,454 54.1%
    2026-08-19 337,275 400 538,396 62.6%
    2026-08-18 355,231 38 499,261 71.2%
    2026-08-17 207,563 6 418,496 49.6%
    2026-08-14 134,255 109 248,230 54.1%
    2026-08-13 176,049 127 312,724 56.3%
    2026-08-12 214,614 379 354,701 60.5%
    2026-08-11 210,888 2,170 371,956 56.7%
    2026-08-10 683,163 723 1,099,896 62.1%
    2026-08-07 124,423 171 305,056 40.8%
    2026-08-06 121,641 8,115 352,961 34.5%
    2026-08-05 167,116 2,122 353,281 47.3%
    2026-08-04 282,433 24 594,926 47.5%
    2026-08-03 162,489 294 446,064 36.4%
    2026-07-31 118,382 192 281,668 42.0%
    2026-07-30 118,144 137 318,576 37.1%
    2026-07-29 89,737 180 348,379 25.8%
    2026-07-28 109,661 53 534,921 20.5%
    2026-07-27 110,873 185 527,045 21.0%
    2026-07-24 135,260 1,040 372,245 36.3%
    2026-07-23 129,716 2,929 375,157 34.6%
    2026-07-22 150,704 3,962 369,625 40.8%
    Showing 1–50 of 64 days
    Key facts CIK 875320 CUSIP 92532F100 13F (30d) 41 filings 23 filers Visit website Investor relations