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Equibles

FSM · Fortuna Mining Corp. · Short Interest

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$11.25 +0.08 (+0.72%) At close · Oct 2
Rebalance outlook locked
Market Cap
$3.46B
Shares
295.96M
Volume · Oct 2 3.85M Avg daily vol (3M) 5.34M

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 →

FSM Latest Reported Short Interest

FINRA reported 18,840,741 FSM shares sold short as of the September 15, 2026 settlement date, a decrease of 2,289,265 shares. Days to cover was 4.80 based on FINRA's reported average daily volume.

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

FSM Short Interest Forecast

Equibles' model estimates 21,878,685 shares sold short for the September 30, 2026 settlement, +16.1% versus the latest reported position, with a likely range of 17,905,882 to 27,331,513 shares. This model prediction uses FINRA data through September 30, 2026; FINRA's official release is expected October 9, 2026.

Model estimate

Expected Sep 30 short interest

as of Sep 30 High confidence 74% chance it rises
21,878,685 +16.1% vs reported
Likely range 17,905,882 to 27,331,513 The latest estimate appears in the chart below. Official release expected Oct 9. Methodology
Short Squeeze Score
60/100
Short interest 6.4% of shares — P78 Days to cover 4.8 — P62 Price vs VWAP +7.7% — P89 Short-volume trend -5.4% — P26 Short interest change -10.8% — P20 Worst FTD 0.01% of shares — P52

Positioning score 60.5 + 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 (2026-09-15). 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 2026-10-04 23:38 UTC. Options model values may come from a cached snapshot; their original computation time is not supplied. Open interest has its own effective date.

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Dimensions
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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-10-15 Scheduled
    FINRA publishes Oct 26
    		 — — — —
    2026-09-30 Scheduled
    FINRA publishes Oct 9
    		 — — — —
    2026-09-15 18,840,741 21,130,006 -2,289,265 4.80
    2026-08-31 21,130,006 16,994,457 +4,135,549 3.40
    2026-08-14 16,994,457 16,117,010 +877,447 2.99
    2026-07-31 16,117,010 16,984,938 -867,928 2.88
    2026-07-15 16,984,938 17,372,320 -387,382 3.74
    2026-06-30 17,372,320 16,707,623 +664,697 3.65
    2026-06-15 16,707,623 17,039,746 -332,123 2.97
    2026-05-29 17,039,746 17,920,667 -880,921 3.76
    2026-05-15 17,920,667 18,098,803 -178,136 2.77
    2026-04-30 18,098,803 17,160,639 +938,164 3.74
    2026-04-15 17,160,639 16,326,499 +834,140 2.49
    2026-03-31 16,326,499 18,478,547 -2,152,048 1.83
    2026-03-13 18,478,547 17,693,538 +785,009 2.94
    2026-02-27 17,693,538 19,263,618 -1,570,080 1.98
    2026-02-13 19,263,618 18,996,389 +267,229 2.36
    2026-01-30 18,996,389 17,898,844 +1,097,545 1.94
    2026-01-15 17,898,844 17,569,593 +329,251 2.35
    2025-12-31 17,569,593 16,538,316 +1,031,277 2.53
    2025-12-15 16,538,316 14,323,407 +2,214,909 2.32
    2025-11-28 14,323,407 21,804,409 -7,481,002 1.90
    2025-11-14 22,029,949 23,060,151 -1,030,202 1.81
    2025-10-31 23,060,151 22,973,352 +86,799 1.75
    2025-10-15 22,973,352 25,335,382 -2,362,030 1.08

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1341335 CUSIP 349942102 13F (30d) 14 filings 5 filers Visit website Investor relations