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FLY · Firefly Aerospace Inc.

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$20.45 -0.67 (-3.19%)
Russell 2000 member Rebalance outlook locked
Market Cap
$3.46B
Shares
167.40M

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

FLY Latest Reported Short Interest

FINRA reported 11,126,799 FLY shares sold short as of the August 14, 2026 settlement date, an increase of 178,014 shares. Days to cover was 3.21 based on FINRA's reported average daily volume.

Official FINRA short-interest data · share counts are restated for subsequent stock splits

FLY Short Interest Forecast

Equibles' model estimates 10,781,636 shares sold short for the August 31, 2026 settlement, -3.1% 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
10,781,636 -3.1% vs reported
The latest estimate appears in the chart below. Official release expected Sep 10. Methodology
Short Squeeze Score
57/100
Short interest 6.6% of shares — P81 Days to cover 3.2 — P52 Price vs VWAP -29.8% — P7 Short-volume trend -1.0% — P47 Short interest change +1.6% — P60 Worst FTD 0.07% of shares — P78

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 11,126,799 10,948,785 +178,014 3.21
    2026-07-31 10,948,785 11,953,174 -1,004,389 3.14
    2026-07-15 11,953,174 13,190,080 -1,236,906 3.48
    2026-06-30 13,190,080 11,836,941 +1,353,139 1.72
    2026-06-15 11,836,941 11,413,957 +422,984 1.46
    2026-05-29 11,413,957 9,214,108 +2,199,849 1.05
    2026-05-15 9,214,108 8,162,080 +1,052,028 1.32
    2026-04-30 8,162,080 9,181,514 -1,019,434 1.55
    2026-04-15 9,181,514 7,807,766 +1,373,748 1.07
    2026-03-31 7,807,766 6,810,462 +997,304 1.16
    2026-03-13 6,810,462 6,422,012 +388,450 1.83
    2026-02-27 6,422,012 5,423,391 +998,621 2.74
    2026-02-13 5,423,391 5,815,121 -391,730 1.61
    2026-01-30 5,815,121 5,124,258 +690,863 1.57
    2026-01-15 5,124,258 4,716,690 +407,568 1.40
    2025-12-31 4,716,690 3,458,143 +1,258,547 1.34
    2025-12-15 3,458,143 2,929,457 +528,686 1.41
    2025-11-28 2,929,457 2,643,769 +285,688 1.54
    2025-11-14 2,643,769 2,377,499 +266,270 1.04
    2025-10-31 2,377,499 2,087,531 +289,968 1.72
    2025-10-15 2,087,531 2,106,633 -19,102 1.00
    2025-09-30 2,106,633 1,608,056 +498,577 1.00
    2025-09-15 1,608,056 879,206 +728,850 2.72

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1860160 CUSIP 31816X106 13F (30d) 217 filings 216 filers Visit website Investor relations

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