Does QUANEX BUILDING PRODUCTS CORPORATION have an economic moat?

Based on its FY2025 SEC filings, the Moat Index scores QUANEX BUILDING PRODUCTS CORPORATION (NX) 28.7 out of 100 — below the Shallow-moat bar, so no moat. The four filters behind that score (each 0–100): pricing power 37, returns on capital 24, balance-sheet safety 28, capital discipline 24.

Is NX stock trading below its intrinsic value?

Against a deliberately conservative owner-earnings model (9% discount rate, 0% assumed growth, capped at 4%), estimated intrinsic value is $18.42 per share versus a recent price of $18.17 — around fair value. This is an educational estimate computed from primary SEC filings, not investment advice.

How has NX's Moat Score changed over time?

The record logs 2 readings since Jul 17, 2026; the latest reads 28.7 out of 100 (no moat). No tier changes on record yet. The history is append-only — readings are only ever added, never rewritten.

The Moat Index

QUANEX BUILDING PRODUCTS CORPORATION

NX · Industrials · $829.9M mkt cap · FY2025 filings · No moat ·

Doesn't clear the bar

No moat

The four filters

Pricing power37

Median gross margin 22.5% over 10y, very stable.

Returns on capital24

Median ROIC 7.4%, above the 9% hurdle in 40% of years.

Balance-sheet safety28

Net debt/EBITDA n/ax, interest coverage -3x.

Capital discipline24

Owner earnings trend unclear, share count growing (dilution).

Margin of safety

Above valueOn sale

Around fair value

Owner earnings (normalized): $75.7M
Est. intrinsic value / share: $18.42
Recent price: $18.17
Discount to value: Around fair value

Conservative model: 9% discount rate, 0% assumed growth (capped at 4%), maintenance capex ≈ min(capex, D&A).

Fundamentals

There's no normalized fundamentals series for NX yet — it appears once ingest has processed its filings.

Moat Score history

Moat Score over timeLast scored reading of each day, on the 0–100 scale28.7 / 100

Score history begins Jul 17, 2026 — the record builds from here and can’t be backfilled.

Tier changesSame-methodology crossings of the Wide / Narrow / Shallow bars

None yet — NX has read No moat for every logged capture since Jul 17, 2026.

Scores are logged append-only and never overwritten — this record can’t be backfilled, which is exactly why it’s worth keeping.

Industrials context

#215 of 309 scored Industrials companies, ranked by Moat Score.

Nearest peers by Moat Score

#213DSGR DISTRIBUTION SOLUTIONS GROUP, INC.28.8 out of 100, No moatNo moat
#214RNGE RANGE IMPACT, INC.28.8 out of 100, No moatNo moat
#216ATI ATI INC28.5 out of 100, No moatNo moat
#217RYZ Ryerson Holding Corp28.5 out of 100, No moatNo moat

Compare NX with its nearest peers →All Industrials companies on the Index →

Common questions about NX

Does QUANEX BUILDING PRODUCTS CORPORATION have an economic moat?: Based on its FY2025 SEC filings, the Moat Index scores QUANEX BUILDING PRODUCTS CORPORATION (NX) 28.7 out of 100 — below the Shallow-moat bar, so no moat. The four filters behind that score (each 0–100): pricing power 37, returns on capital 24, balance-sheet safety 28, capital discipline 24.
Is NX stock trading below its intrinsic value?: Against a deliberately conservative owner-earnings model (9% discount rate, 0% assumed growth, capped at 4%), estimated intrinsic value is $18.42 per share versus a recent price of $18.17 — around fair value. This is an educational estimate computed from primary SEC filings, not investment advice.
How has NX's Moat Score changed over time?: The record logs 2 readings since Jul 17, 2026; the latest reads 28.7 out of 100 (no moat). No tier changes on record yet. The history is append-only — readings are only ever added, never rewritten.

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Scored from primary SEC filings via the public methodology. Educational only — not a recommendation to buy or sell NX. See the disclaimer.