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MTZ · Mastec Inc · Short Volume

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$190.31 -0.60 (-0.32%)
S&P 400 member Russell 1000 member Rebalance outlook locked
Market Cap
$15.33B
Shares
80.30M
Volume · Oct 20 779.24K Avg daily vol (3M) 1.49M

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 %
    2026-10-20 153,241 98 347,780 44.1%
    2026-10-19 192,393 71 388,825 49.5%
    2026-10-16 204,823 0 557,137 36.8%
    2026-10-15 275,925 0 846,245 32.6%
    2026-10-14 190,422 40 713,873 26.7%
    2026-10-13 284,037 0 732,276 38.8%
    2026-10-12 163,879 902 411,410 39.8%
    2026-10-09 278,554 2 763,822 36.5%
    2026-10-08 363,459 10 706,711 51.4%
    2026-10-07 368,575 479 554,883 66.4%
    2026-10-06 383,448 682 556,297 68.9%
    2026-10-05 294,080 430 558,355 52.7%
    2026-10-02 324,073 116 550,115 58.9%
    2026-10-01 264,376 4 466,975 56.6%
    2026-09-30 398,849 654 776,918 51.3%
    2026-09-29 366,130 172 646,221 56.7%
    2026-09-28 253,964 311 536,624 47.3%
    2026-09-25 187,297 1,018 494,968 37.8%
    2026-09-24 171,135 172 373,219 45.9%
    2026-09-23 256,633 88 485,321 52.9%
    2026-09-22 329,814 685 682,644 48.3%
    2026-09-21 347,517 150 636,121 54.6%
    2026-09-18 292,396 810 783,556 37.3%
    2026-09-17 832,194 409 2,000,317 41.6%
    2026-09-16 305,207 4 603,071 50.6%
    2026-09-15 200,210 2,113 609,334 32.9%
    2026-09-14 220,197 3,452 569,564 38.7%
    2026-09-11 196,633 239 359,667 54.7%
    2026-09-10 175,812 4 361,424 48.6%
    2026-09-09 148,837 6 321,172 46.3%
    2026-09-08 311,642 853 713,448 43.7%
    2026-09-04 332,831 6,430 875,281 38.0%
    2026-09-03 199,606 14 615,373 32.4%
    2026-09-02 187,234 65 633,752 29.5%
    2026-09-01 224,553 451 702,689 32.0%
    2026-08-31 196,108 0 538,693 36.4%
    2026-08-28 284,281 802 647,244 43.9%
    2026-08-27 276,526 555 458,149 60.4%
    2026-08-26 292,881 0 716,294 40.9%
    2026-08-25 324,003 480 832,909 38.9%
    2026-08-24 289,053 297 779,143 37.1%
    2026-08-21 339,346 136 568,688 59.7%
    2026-08-20 307,200 1 554,582 55.4%
    2026-08-19 300,828 26 815,924 36.9%
    2026-08-18 348,471 0 532,178 65.5%
    2026-08-17 542,574 37 726,841 74.6%
    2026-08-14 603,480 0 780,450 77.3%
    2026-08-13 618,297 423 841,164 73.5%
    2026-08-12 507,770 1 671,345 75.6%
    2026-08-11 397,336 612 498,499 79.7%
    Showing 1–50 of 66 days
    Key facts CIK 15615 CUSIP 576323109 13F (30d) 97 filings 94 filers Visit website Investor relations