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Equibles

BULL · Webull Corp · Short Interest

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$5.65 -0.26 (-4.40%) At close · Oct 23
Russell 2000 member Rebalance outlook locked
Market Cap
$3.05B
Shares
539.69M
Volume · Oct 23 7.72M Avg daily vol (3M) 14.22M

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 →

BULL Latest Reported Short Interest

FINRA reported 41,600,444 BULL shares sold short as of the September 30, 2026 settlement date, an increase of 5,432,239 shares. Days to cover was 3.03 based on FINRA's reported average daily volume.

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

BULL Short Interest Forecast

Equibles' model estimates 41,567,669 shares sold short for the October 15, 2026 settlement, -0.1% versus the latest reported position, with a likely range of 35,404,354 to 47,568,640 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 57% chance it falls
41,567,669 -0.1% vs reported
Likely range 35,404,354 to 47,568,640 The latest estimate appears in the chart below. Official release expected Oct 26. Methodology
Short Squeeze Score
61/100
Short interest 7.7% of shares — P82 Days to cover 3.0 — P49 Price vs VWAP -27.9% — P15 Short-volume trend +4.1% — P68 Short interest change +15.0% — P78 Worst FTD 0.03% of shares — P66

Positioning score 61.4 + 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 2026-10-24 13:14 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
    2026-10-30 Scheduled
    FINRA publishes Nov 10
    		 — — — —
    2026-10-15 Scheduled
    FINRA publishes Oct 26
    		 — — — —
    2026-09-30 41,600,444 36,168,205 +5,432,239 3.03
    2026-09-15 36,168,205 32,189,658 +3,978,547 2.71
    2026-08-31 32,189,658 27,397,827 +4,791,831 1.38
    2026-08-14 27,397,827 26,705,518 +692,309 3.32
    2026-07-31 26,705,518 26,732,710 -27,192 2.95
    2026-07-15 26,732,710 25,195,780 +1,536,930 3.12
    2026-06-30 25,195,780 21,537,239 +3,658,541 2.27
    2026-06-15 21,537,239 16,701,216 +4,836,023 1.43
    2026-05-29 16,701,216 18,757,874 -2,056,658 1.02
    2026-05-15 18,757,874 21,212,458 -2,454,584 1.86
    2026-04-30 21,212,458 19,927,610 +1,284,848 1.24
    2026-04-15 19,927,610 17,290,285 +2,637,325 1.65
    2026-03-31 17,290,285 19,260,978 -1,970,693 1.54
    2026-03-13 19,260,978 19,821,990 -561,012 1.35
    2026-02-27 19,821,990 19,486,401 +335,589 2.98
    2026-02-13 19,486,401 23,346,016 -3,859,615 1.66
    2026-01-30 23,346,016 23,431,217 -85,201 2.54
    2026-01-15 23,431,217 19,175,701 +4,255,516 1.96
    2025-12-31 19,175,701 11,961,676 +7,214,025 1.22
    2025-12-15 11,961,676 11,308,389 +653,287 1.00
    2025-11-28 11,308,389 9,849,145 +1,459,244 1.00
    2025-11-14 9,849,145 10,031,641 -182,496 1.00
    2025-10-31 10,031,641 12,004,766 -1,973,125 1.00

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1866364 CUSIP G9572D103 13F (30d) 31 filings 31 filers Visit website Investor relations