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ASPI · ASP Isotopes Inc. · Short Interest

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$1.87 -0.09 (-4.59%) At close · Nov 12
Russell 2000 member Rebalance outlook locked
Market Cap
$286.69M
Shares
153.31M
Volume · Nov 12 3.11M Avg daily vol (3M) 4.14M

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 →

ASPI Latest Reported Short Interest

FINRA reported 31,372,945 ASPI shares sold short as of the October 30, 2026 settlement date, an increase of 2,324,242 shares. Days to cover was 7.80 based on FINRA's reported average daily volume.

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

ASPI Short Interest Forecast

Equibles' model estimates 31,229,546 shares sold short for the November 13, 2026 settlement, -0.5% versus the latest reported position, with a likely range of 28,712,500 to 34,178,891 shares. This model prediction uses FINRA data through November 12, 2026; FINRA's official release is expected November 24, 2026.

Model estimate

Expected Nov 13 short interest

as of Nov 12 Medium confidence 58% chance it rises
31,229,546 -0.5% vs reported
Likely range 28,712,500 to 34,178,891 The latest estimate appears in the chart below. Official release expected Nov 24. Methodology
Short Squeeze Score
76/100
Short interest 20.5% of shares — P98 Days to cover 7.8 — P82 Price vs VWAP -34.5% — P12 Short-volume trend +8.4% — P82 Short interest change +8.0% — P76 Worst FTD 0.26% of shares — P90

Positioning score 76.5 + 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 (2026-10-30). 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 2026-11-13 05:35 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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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-11-30 Scheduled
    FINRA publishes Dec 9
    		 — — — —
    2026-11-13 Scheduled
    FINRA publishes Nov 24
    		 — — — —
    2026-10-30 31,372,945 29,048,703 +2,324,242 7.80
    2026-10-15 29,048,703 26,455,716 +2,592,987 5.83
    2026-09-30 26,455,716 26,069,790 +385,926 5.31
    2026-09-15 26,069,790 25,481,535 +588,255 6.52
    2026-08-31 25,481,535 26,784,809 -1,303,274 8.02
    2026-08-14 26,784,809 26,638,593 +146,216 8.71
    2026-07-31 26,638,593 24,237,238 +2,401,355 6.11
    2026-07-15 24,237,238 23,756,842 +480,396 6.83
    2026-06-30 23,756,842 23,093,270 +663,572 4.80
    2026-06-15 23,093,270 22,580,613 +512,657 4.00
    2026-05-29 22,580,613 23,082,673 -502,060 3.24
    2026-05-15 23,082,673 24,948,729 -1,866,056 5.48
    2026-04-30 24,948,729 25,332,791 -384,062 6.60
    2026-04-15 25,332,791 25,469,515 -136,724 5.87
    2026-03-31 25,469,515 22,437,204 +3,032,311 4.87
    2026-03-13 22,437,204 24,326,781 -1,889,577 4.01
    2026-02-27 24,326,781 22,658,515 +1,668,266 8.63
    2026-02-13 22,658,515 20,587,124 +2,071,391 4.74
    2026-01-30 20,587,124 21,212,899 -625,775 2.99
    2026-01-15 21,212,899 20,658,615 +554,284 3.29
    2025-12-31 20,658,615 20,400,115 +258,500 4.03
    2025-12-15 20,400,115 18,807,461 +1,592,654 3.67
    2025-11-28 18,807,461 18,685,049 +122,412 2.64
    2025-11-14 18,685,049 17,543,519 +1,141,530 2.70

    Full FINRA short interest reporting calendar

    Showing 1–24 of 24 settlements
    Key facts CIK 1921865 CUSIP 00218A105 13F (30d) 107 filings 85 filers Visit website Investor relations