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FUN · Six Flags Entertainment Corporation · Short Interest

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$7.09 -0.77 (-9.80%)
S&P 600 member Russell 2000 member Rebalance outlook locked
Market Cap
$804.21M
Shares
102.32M
Volume · Oct 21 11.5M Avg daily vol (3M) 3.08M

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

Pull short interest history through the short interest API or MCP →

FUN Latest Reported Short Interest

FINRA reported 23,028,129 FUN shares sold short as of the September 30, 2026 settlement date, an increase of 1,640,073 shares. Days to cover was 9.63 based on FINRA's reported average daily volume.

Official FINRA short-interest data · share counts are restated for subsequent splits of this listing

FUN Short Interest Forecast

Equibles' model estimates 23,140,681 shares sold short for the October 15, 2026 settlement, +0.5% versus the latest reported position, with a likely range of 20,496,683 to 25,937,993 shares. This model prediction uses FINRA data through October 15, 2026; FINRA's official release is expected October 26, 2026.

Model estimate

Expected Oct 15 short interest

as of Oct 15 Low confidence 55% chance it rises
23,140,681 +0.5% vs reported
Likely range 20,496,683 to 25,937,993 The latest estimate appears in the chart below. Official release expected Oct 26. Methodology
Short Squeeze Score
68/100
Short interest 22.5% of shares — P99 Days to cover 9.6 — P91 Price vs VWAP -43.4% — P6 Short-volume trend -3.7% — P38 Short interest change +7.7% — P68 Worst FTD 0.05% of shares — P74

Positioning score 68.4 + catalyst boost 0 (total capped at 100). This is a screening index, not a probability of a squeeze.

Method and coverage limits

Factor percentiles compare eligible primary operating-company stocks reporting short interest at the latest settlement date (2026-09-30). The weighted mean uses short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, and fails-to-deliver 10%. Missing factors redistribute their weight; incomplete coverage is not evidence of low risk. Price, volume, and earnings boosts add 10 each, capped at 20.

Shares outstanding are not free float. Borrow fees, utilization, lendable supply, recalls, and dealer inventory are not measured. Short-sale volume does not measure the change in open shorts; fails to deliver are not a borrow-cost measurement; price vs VWAP does not establish short sellers' entry prices. Earnings can move prices in either direction.

The weights are judgment-based, not calibrated to future squeeze outcomes. The separate options assessment below does not change this universe ranking.

Options positioning & squeeze sensitivity

Nearest expiration after today within 30 calendar days; same-day expirations and later maturities are excluded.

Open interest is incomplete, stale, or dated inconsistently; positioning totals are unavailable.

Open interest has both a buyer and a seller; it does not reveal dealer hedge direction. Gross gamma sums both calls and puts without netting and uses a local 1% price-change approximation. It measures sensitivity, not predicted buying or a squeeze probability.

Assessment prepared 2026-10-21 21:25 UTC. Options model values may come from a cached snapshot; their original computation time is not supplied. Open interest has its own effective date.

1M 3M 6M 1Y 5Y All
Dimensions
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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-10-30 Scheduled
    FINRA publishes Nov 10
    		 — — — —
    2026-10-15 Scheduled
    FINRA publishes Oct 26
    		 — — — —
    2026-09-30 23,028,129 21,388,056 +1,640,073 9.63
    2026-09-15 21,388,056 19,590,521 +1,797,535 9.85
    2026-08-31 19,590,521 18,487,998 +1,102,523 12.03
    2026-08-14 18,487,998 19,297,605 -809,607 6.17
    2026-07-31 19,297,605 18,591,079 +706,526 10.12
    2026-07-15 18,591,079 19,189,202 -598,123 8.02
    2026-06-30 19,189,202 17,904,835 +1,284,367 7.23
    2026-06-15 17,904,835 17,616,117 +288,718 9.16
    2026-05-29 17,616,117 17,344,242 +271,875 8.85
    2026-05-15 17,344,242 18,878,349 -1,534,107 6.54
    2026-04-30 18,878,349 19,933,742 -1,055,393 13.03
    2026-04-15 19,933,742 20,205,666 -271,924 11.12
    2026-03-31 20,205,666 20,180,145 +25,521 11.01
    2026-03-13 20,180,145 21,218,977 -1,038,832 11.75
    2026-02-27 21,218,977 22,633,112 -1,414,135 9.37
    2026-02-13 22,633,112 23,572,662 -939,550 10.21
    2026-01-30 23,572,662 23,255,046 +317,616 7.97
    2026-01-15 23,255,046 21,687,885 +1,567,161 9.30
    2025-12-31 21,687,885 19,406,635 +2,281,250 6.57
    2025-12-15 19,406,635 19,469,331 -62,696 7.77
    2025-11-28 19,469,331 17,327,820 +2,141,511 4.14
    2025-11-14 17,327,820 17,484,783 -156,963 3.25
    2025-10-31 17,484,783 19,647,169 -2,162,386 3.46

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1999001 CUSIP 83001C108 13F (30d) 28 filings 28 filers Visit website Investor relations