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ATEC · Alphatec Holdings, Inc. · Short Volume

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$11.41 +0.55 (+5.06%)
Russell 2000 member Rebalance outlook locked
Market Cap
$1.69B
Shares
154.45M
Volume · Oct 22 1.69M Avg daily vol (3M) 2.17M

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 %
    2026-10-21 254,060 100 638,560 39.8%
    2026-10-20 260,781 0 501,564 52.0%
    2026-10-19 341,862 27 527,313 64.8%
    2026-10-16 801,916 0 1,281,264 62.6%
    2026-10-15 602,586 210 1,266,549 47.6%
    2026-10-14 444,159 15 691,710 64.2%
    2026-10-13 361,916 0 751,039 48.2%
    2026-10-12 644,720 798 1,305,932 49.4%
    2026-10-09 272,729 905 603,430 45.2%
    2026-10-08 402,220 1 793,618 50.7%
    2026-10-07 353,872 163 715,544 49.5%
    2026-10-06 496,531 2,053 738,274 67.3%
    2026-10-05 459,485 0 723,904 63.5%
    2026-10-02 346,215 147 771,928 44.9%
    2026-10-01 374,618 18 734,231 51.0%
    2026-09-30 308,448 0 508,785 60.6%
    2026-09-29 302,902 25 567,217 53.4%
    2026-09-28 250,340 0 569,303 44.0%
    2026-09-25 402,723 100 678,185 59.4%
    2026-09-24 272,023 0 519,481 52.4%
    2026-09-23 273,793 3 625,444 43.8%
    2026-09-22 212,449 0 373,472 56.9%
    2026-09-21 212,424 0 480,422 44.2%
    2026-09-18 373,325 0 637,098 58.6%
    2026-09-17 557,314 111 1,113,584 50.0%
    2026-09-16 347,850 3,332 822,116 42.3%
    2026-09-15 334,992 0 787,839 42.5%
    2026-09-14 735,179 22,466 1,363,263 53.9%
    2026-09-11 1,916,238 7,802 3,074,615 62.3%
    2026-09-10 609,033 9,946 915,019 66.6%
    2026-09-09 665,955 0 1,159,802 57.4%
    2026-09-08 418,745 950 656,553 63.8%
    2026-09-04 448,390 1 639,587 70.1%
    2026-09-03 558,565 6,899 830,816 67.2%
    2026-09-02 321,147 28 504,291 63.7%
    2026-09-01 239,596 1,052 332,413 72.1%
    2026-08-31 297,386 31 423,641 70.2%
    2026-08-28 240,156 0 395,761 60.7%
    2026-08-27 360,310 0 597,319 60.3%
    2026-08-26 341,953 311 554,164 61.7%
    2026-08-25 456,688 15,400 719,462 63.5%
    2026-08-24 491,093 0 724,377 67.8%
    2026-08-21 344,263 0 498,186 69.1%
    2026-08-20 452,776 1,000 586,182 77.2%
    2026-08-19 363,165 0 501,333 72.4%
    2026-08-18 333,197 11 521,238 63.9%
    2026-08-17 480,986 400 611,358 78.7%
    2026-08-14 368,566 5,755 524,960 70.2%
    2026-08-13 240,225 170 472,910 50.8%
    2026-08-12 378,032 44 578,999 65.3%
    Showing 1–50 of 65 days
    Key facts CIK 1350653 CUSIP 02081G201 13F (30d) 46 filings 42 filers Visit website Investor relations