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PRTS · CarParts.com, Inc. · Short Interest

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$8.34 +0.00 (+0.00%) Play latest call Q2 2026 earnings call transcript
Rebalance outlook locked
Market Cap
$65.51M
Shares
8.09M
Volume · Nov 4 1183 Avg daily vol (3M) 50.05K

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 →

PRTS Latest Reported Short Interest

FINRA reported 450,676 PRTS shares sold short as of the October 15, 2026 settlement date, a decrease of 5,370 shares. Days to cover was 15.34 based on FINRA's reported average daily volume.

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

PRTS Short Interest Forecast

Equibles' model estimates 434,947 shares sold short for the October 30, 2026 settlement, -3.5% versus the latest reported position, with a likely range of 374,616 to 491,564 shares. This model prediction uses FINRA data through October 30, 2026; FINRA's official release is expected November 10, 2026.

Model estimate

Expected Oct 30 short interest

as of Oct 30 Low confidence 62% chance it falls
434,947 -3.5% vs reported
Likely range 374,616 to 491,564 The latest estimate appears in the chart below. Official release expected Nov 10. Methodology
Short Squeeze Score
65/100
Short interest 5.6% of shares — P74 Days to cover 15.3 — P95 Price vs VWAP +1.5% — P74 Short-volume trend -18.7% — P6 Short interest change -1.2% — P44 Worst FTD 0.06% of shares — P78

Positioning score 65.5 + 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 (2026-10-15). 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 2026-11-04 14:50 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
    2026-11-13 Scheduled
    FINRA publishes Nov 24
    		 — — — —
    2026-10-30 Scheduled
    FINRA publishes Nov 10
    		 — — — —
    2026-10-15 450,676 456,046 -5,370 15.34
    2026-09-30 456,046 453,296 +2,750 12.53
    2026-09-15 453,296 408,587 +44,709 3.40
    2026-08-31 408,587 327,221 +81,366 12.28
    2026-08-14 327,221 302,121 +25,100 12.09
    2026-07-31 302,121 343,887 -41,766 13.52
    2026-07-15 343,887 354,885 -10,998 27.97
    2026-06-30 354,885 354,317 +568 15.86
    2026-06-15 354,317 402,255 -47,938 5.82
    2026-05-29 402,255 270,095 +132,160 4.89
    2026-05-15 270,095 238,684 +31,411 4.19
    2026-04-30 238,684 146,788 +91,896 4.73
    2026-04-15 146,788 144,714 +2,074 3.36
    2026-03-31 144,714 93,526 +51,188 2.17
    2026-03-13 93,526 132,167 -38,641 1.00
    2026-02-27 132,167 114,113 +18,054 2.43
    2026-02-13 114,113 115,290 -1,177 1.16
    2026-01-30 115,290 93,749 +21,541 2.03
    2026-01-15 93,749 160,646 -66,897 1.00
    2025-12-31 160,646 204,122 -43,476 1.08
    2025-12-15 204,122 188,774 +15,348 2.08
    2025-11-28 188,774 249,204 -60,430 3.46
    2025-11-14 249,204 205,174 +44,030 2.05

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1378950 CUSIP 14427M206 13F (30d) 3 filings 3 filers Visit website Investor relations