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ATEC · Alphatec Holdings, Inc.

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$9.44 -0.13 (-1.36%) At close · Aug 28
Russell 2000 member Rebalance outlook locked
Market Cap
$1.46B
Shares
154.45M

Shares sold short and not yet covered, reported twice monthly. Days to cover is the reported short position divided by average daily volume.

ATEC Short Interest Forecast

Equibles' model estimates 14,001,378 shares sold short for the August 31, 2026 settlement, +2.7% versus the latest reported position. This model prediction uses FINRA data through August 21, 2026; FINRA's official release is expected September 10, 2026.

Model estimate

Expected Aug 31 short interest

as of Aug 21
14,001,378 +2.7% vs reported
The latest estimate appears in the chart below. Official release expected Sep 10. Methodology
Short Squeeze Score
64/100
Short interest 8.8% of shares — P87 Days to cover 4.8 — P68 Price vs VWAP +5.9% — P72 Short-volume trend -13.0% — P13 Short interest change -1.1% — P47 Worst FTD 0.03% of shares — P66

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-08-14). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.

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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-09-15 Scheduled
    FINRA publishes Sep 24
    		 — — — —
    2026-08-31 Scheduled
    FINRA publishes Sep 10
    		 — — — —
    2026-08-14 13,630,117 13,788,007 -157,890 4.81
    2026-07-31 13,788,007 13,748,220 +39,787 7.25
    2026-07-15 13,748,220 14,616,529 -868,309 5.73
    2026-06-30 14,616,529 12,358,418 +2,258,111 3.60
    2026-06-15 12,358,418 12,004,189 +354,229 5.09
    2026-05-29 12,004,189 14,178,002 -2,173,813 4.73
    2026-05-15 14,178,002 11,919,996 +2,258,006 2.16
    2026-04-30 11,919,996 14,049,298 -2,129,302 4.13
    2026-04-15 14,049,298 14,949,106 -899,808 6.48
    2026-03-31 14,949,106 15,320,996 -371,890 6.95
    2026-03-13 15,320,996 13,742,788 +1,578,208 6.01
    2026-02-27 13,742,788 14,300,801 -558,013 5.26
    2026-02-13 14,300,801 14,523,843 -223,042 5.19
    2026-01-30 14,523,843 16,581,392 -2,057,549 4.63
    2026-01-15 16,581,392 17,231,255 -649,863 3.46
    2025-12-31 17,231,255 14,787,274 +2,443,981 9.96
    2025-12-15 14,787,274 13,664,774 +1,122,500 6.63
    2025-11-28 13,664,774 13,718,529 -53,755 7.22
    2025-11-14 13,718,529 13,358,514 +360,015 4.91
    2025-10-31 13,358,514 14,950,515 -1,592,001 4.35
    2025-10-15 14,950,515 12,633,174 +2,317,341 7.77
    2025-09-30 12,633,174 12,325,454 +307,720 7.85
    2025-09-15 12,325,454 12,695,333 -369,879 5.96
    2025-08-29 12,695,333 12,368,104 +327,229 6.46

    Full FINRA short interest reporting calendar

    Showing 1–24 of 24 settlements
    Key facts CIK 1350653 CUSIP 02081G201 13F (30d) 219 filings 219 filers Visit website Investor relations

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