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PTLO · Portillo's Inc.

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$4.42 +0.02 (+0.45%) At close · Sep 4
Russell 2000 member Rebalance outlook locked
Market Cap
$335.67M
Shares
75.94M

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

PTLO Latest Reported Short Interest

FINRA reported 10,825,920 PTLO shares sold short as of the August 14, 2026 settlement date, an increase of 134,536 shares. Days to cover was 6.69 based on FINRA's reported average daily volume.

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

PTLO Short Interest Forecast

Equibles' model estimates 10,674,969 shares sold short for the August 31, 2026 settlement, -1.4% versus the latest reported position, with a likely range of 9,650,108 to 11,666,999 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 High confidence 71% chance it falls
10,674,969 -1.4% vs reported
Likely range 9,650,108 to 11,666,999 The latest estimate appears in the chart below. Official release expected Sep 10. Methodology
Short Squeeze Score
71/100
Short interest 14.3% of shares — P95 Days to cover 6.7 — P80 Price vs VWAP -2.7% — P41 Short-volume trend +3.8% — P65 Short interest change +1.3% — P59 Worst FTD 0.01% of shares — P50

Positioning score 71.3 + 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 2026-09-06 12:49 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 10,825,920 10,691,384 +134,536 6.69
    2026-07-31 10,691,384 10,118,549 +572,835 10.51
    2026-07-15 10,118,549 10,229,699 -111,150 9.19
    2026-06-30 10,229,699 11,339,430 -1,109,731 6.98
    2026-06-15 11,339,430 9,922,637 +1,416,793 7.10
    2026-05-29 9,922,637 10,116,232 -193,595 5.86
    2026-05-15 10,116,232 9,041,924 +1,074,308 3.44
    2026-04-30 9,041,924 9,714,658 -672,734 6.08
    2026-04-15 9,714,658 10,280,384 -565,726 8.81
    2026-03-31 10,280,384 10,638,880 -358,496 8.12
    2026-03-13 10,638,880 11,222,548 -583,668 8.26
    2026-02-27 11,222,548 11,827,865 -605,317 7.97
    2026-02-13 11,827,865 11,720,721 +107,144 7.84
    2026-01-30 11,720,721 13,066,651 -1,345,930 5.30
    2026-01-15 13,066,651 14,153,122 -1,086,471 4.16
    2025-12-31 14,153,122 13,642,773 +510,349 5.73
    2025-12-15 13,642,773 14,033,335 -390,562 6.46
    2025-11-28 14,033,335 14,248,854 -215,519 6.10
    2025-11-14 14,248,854 12,450,176 +1,798,678 4.42
    2025-10-31 12,450,176 11,417,870 +1,032,306 3.56
    2025-10-15 11,417,870 11,135,710 +282,160 3.83
    2025-09-30 11,135,710 11,032,644 +103,066 3.74
    2025-09-15 11,032,644 11,003,543 +29,101 2.74

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1871509 CUSIP 73642K106 13F (30d) 120 filings 120 filers Visit website Investor relations