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MOS · Mosaic Co · Short Interest

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$26.58 +0.05 (+0.19%)
S&P 500 member Russell 1000 member Rebalance outlook locked
Market Cap
$8.22B
Shares
317.90M

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 →

MOS Latest Reported Short Interest

FINRA reported 29,005,945 MOS shares sold short as of the August 14, 2026 settlement date, a decrease of 2,819,694 shares. Days to cover was 3.77 based on FINRA's reported average daily volume.

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

MOS Short Interest Forecast

Equibles' model estimates 28,323,960 shares sold short for the August 31, 2026 settlement, -2.4% versus the latest reported position, with a likely range of 24,835,803 to 31,807,240 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 Medium confidence 66% chance it falls
28,323,960 -2.4% vs reported
Likely range 24,835,803 to 31,807,240 The latest estimate appears in the chart below. Official release expected Sep 10. Methodology
Short Squeeze Score
68/100
Short interest 9.1% of shares — P88 Days to cover 3.8 — P58 Price vs VWAP +17.6% — P92 Short-volume trend +7.0% — P75 Short interest change -8.9% — P28 Worst FTD 0.00% of shares — P24

Positioning score 68.3 + 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 (2026-08-14). 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 2026-09-09 14:04 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
    2026-09-15 Scheduled
    FINRA publishes Sep 24
    		 — — — —
    2026-08-31 Scheduled
    FINRA publishes Sep 10
    		 — — — —
    2026-08-14 29,005,945 31,825,639 -2,819,694 3.77
    2026-07-31 31,825,639 29,645,570 +2,180,069 4.50
    2026-07-15 29,645,570 29,665,903 -20,333 3.68
    2026-06-30 29,665,903 23,828,993 +5,836,910 2.62
    2026-06-15 23,828,993 20,850,285 +2,978,708 2.53
    2026-05-29 20,850,285 19,529,219 +1,321,066 2.43
    2026-05-15 19,529,219 17,396,069 +2,133,150 2.15
    2026-04-30 17,396,069 18,340,920 -944,851 2.03
    2026-04-15 18,340,920 20,845,103 -2,504,183 2.18
    2026-03-31 20,845,103 21,242,907 -397,804 1.62
    2026-03-13 21,242,907 19,207,199 +2,035,708 1.66
    2026-02-27 19,207,199 18,519,390 +687,809 2.80
    2026-02-13 18,519,390 15,483,009 +3,036,381 3.11
    2026-01-30 15,483,009 15,524,661 -41,652 2.10
    2026-01-15 15,524,661 16,713,872 -1,189,211 2.02
    2025-12-31 16,713,872 17,990,959 -1,277,087 2.64
    2025-12-15 17,990,959 14,686,412 +3,304,547 2.17
    2025-11-28 14,686,412 14,337,719 +348,693 2.08
    2025-11-14 14,337,719 14,437,830 -100,111 1.73
    2025-10-31 14,437,830 12,399,023 +2,038,807 2.71
    2025-10-15 12,399,023 12,811,866 -412,843 2.45
    2025-09-30 12,811,866 13,485,010 -673,144 2.98
    2025-09-15 13,485,010 11,400,081 +2,084,929 3.26

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1285785 CUSIP 61945C103 13F (30d) 359 filings 354 filers Visit website Investor relations