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NPO · Enpro Inc. · Short Interest

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$273.63 -4.94 (-1.77%) At close · Nov 13 Play latest call Q3 2026 earnings call transcript
S&P 600 member Russell 2000 member Rebalance outlook locked
Customer concentration — top customer 24% of revenue

One customer — 24% of revenue (2025)

“including a customer that accounted for approximately 24% of our 2025 consolidated net sales.”
View the 10-K filed Feb 19, 2026
Market Cap
$5.79B
Shares
21.17M
Volume · Nov 13 169.62K Avg daily vol (3M) 183.44K

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 →

NPO Latest Reported Short Interest

FINRA reported 496,890 NPO shares sold short as of the October 30, 2026 settlement date, a decrease of 15,318 shares. Days to cover was 2.48 based on FINRA's reported average daily volume.

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

NPO Short Interest Forecast

Equibles' model estimates 535,438 shares sold short for the November 13, 2026 settlement, +7.8% versus the latest reported position, with a likely range of 446,666 to 646,221 shares. This model prediction uses FINRA data through November 13, 2026; FINRA's official release is expected November 24, 2026.

Model estimate

Expected Nov 13 short interest

as of Nov 13 High confidence 66% chance it rises
535,438 +7.8% vs reported
Likely range 446,666 to 646,221 The latest estimate appears in the chart below. Official release expected Nov 24. Methodology
Short Squeeze Score
41/100
Short interest 2.3% of shares — P53 Days to cover 2.5 — P41 Price vs VWAP -6.8% — P46 Short-volume trend -6.4% — P29 Short interest change -3.0% — P42 Worst FTD 0.00% of shares — P21

Positioning score 41.5 + 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 2026-11-15 13:12 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
    2026-11-30 Scheduled
    FINRA publishes Dec 9
    		 — — — —
    2026-11-13 Scheduled
    FINRA publishes Nov 24
    		 — — — —
    2026-10-30 496,890 512,208 -15,318 2.48
    2026-10-15 512,208 543,566 -31,358 2.66
    2026-09-30 543,566 554,905 -11,339 3.06
    2026-09-15 554,905 495,435 +59,470 3.91
    2026-08-31 495,435 460,510 +34,925 3.43
    2026-08-14 460,510 447,413 +13,097 2.23
    2026-07-31 447,413 422,814 +24,599 2.03
    2026-07-15 422,814 455,532 -32,718 1.54
    2026-06-30 455,532 374,045 +81,487 1.02
    2026-06-15 374,045 379,436 -5,391 1.92
    2026-05-29 379,436 355,334 +24,102 2.04
    2026-05-15 355,334 335,310 +20,024 1.46
    2026-04-30 335,310 357,965 -22,655 1.38
    2026-04-15 357,965 386,857 -28,892 1.16
    2026-03-31 386,857 353,791 +33,066 1.61
    2026-03-13 353,791 312,673 +41,118 1.61
    2026-02-27 312,673 381,301 -68,628 1.31
    2026-02-13 381,301 420,850 -39,549 1.46
    2026-01-30 420,850 450,920 -30,070 2.54
    2026-01-15 450,920 438,526 +12,394 2.62
    2025-12-31 438,526 483,433 -44,907 2.11
    2025-12-15 483,433 504,845 -21,412 3.19
    2025-11-28 504,845 497,522 +7,323 3.00

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1164863 CUSIP 29355X107 13F (30d) 343 filings 309 filers Visit website Investor relations