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FFIV · F5, Inc.

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$392.15 +1.07 (+0.27%) At close · Sep 3
S&P 500 member Russell 1000 member Rebalance outlook locked
Market Cap
$22.15B
Shares
56.63M

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

FFIV Latest Reported Short Interest

FINRA reported 1,240,342 FFIV shares sold short as of the August 14, 2026 settlement date, a decrease of 169,344 shares. Days to cover was 1.85 based on FINRA's reported average daily volume.

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

FFIV Short Interest Forecast

Equibles' model estimates 1,324,838 shares sold short for the August 31, 2026 settlement, +6.8% versus the latest reported position, with a likely range of 1,134,900 to 1,574,447 shares. This model prediction uses FINRA data through August 31, 2026; FINRA's official release is expected September 10, 2026.

Model estimate

Expected Aug 31 short interest

as of Aug 31 High confidence 72% chance it rises
1,324,838 +6.8% vs reported
Likely range 1,134,900 to 1,574,447 The latest estimate appears in the chart below. Official release expected Sep 10. Methodology
Short Squeeze Score
41/100
Short interest 2.2% of shares — P52 Days to cover 1.9 — P36 Price vs VWAP -2.6% — P41 Short-volume trend +0.5% — P53 Short interest change -12.0% — P23 Worst FTD 0.00% of shares — P17

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 1,240,342 1,409,686 -169,344 1.85
    2026-07-31 1,409,686 1,295,676 +114,010 1.87
    2026-07-15 1,295,676 1,564,617 -268,941 2.62
    2026-06-30 1,564,617 1,384,552 +180,065 2.09
    2026-06-15 1,384,552 1,549,023 -164,471 2.73
    2026-05-29 1,549,023 1,455,561 +93,462 1.84
    2026-05-15 1,455,561 1,576,004 -120,443 2.21
    2026-04-30 1,576,004 1,738,191 -162,187 1.73
    2026-04-15 1,738,191 1,936,331 -198,140 2.80
    2026-03-31 1,936,331 1,876,519 +59,812 2.21
    2026-03-13 1,876,519 1,830,697 +45,822 3.50
    2026-02-27 1,830,697 2,093,014 -262,317 2.56
    2026-02-13 2,093,014 2,312,144 -219,130 3.05
    2026-01-30 2,312,144 3,037,580 -725,436 1.61
    2026-01-15 3,037,580 3,259,087 -221,507 3.48
    2025-12-31 3,259,087 3,569,034 -309,947 2.51
    2025-12-15 3,569,034 3,260,584 +308,450 2.82
    2025-11-28 3,260,584 2,611,637 +648,947 2.40
    2025-11-14 2,611,637 2,600,788 +10,849 2.36
    2025-10-31 2,600,788 2,577,457 +23,331 1.90
    2025-10-15 2,577,457 1,850,952 +726,505 4.20
    2025-09-30 1,850,952 1,780,357 +70,595 4.29
    2025-09-15 1,780,357 1,926,995 -146,638 4.32

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1048695 CUSIP 315616102 13F (30d) 533 filings 510 filers Visit website Investor relations

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