GFF vs NX: Correlation
Griffon Corporation (GFF) and Quanex Building Products Corporation (NX) show a strong relationship: their 3-year correlation of weekly returns is 0.61.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GFF and NX?
Across a 3-year window, the weekly returns of GFF and NX correlate at 0.61, strong. Recent behaviour matches the longer record: 0.69 over 1 year against 0.61 over 3. Stretching to 5 years gives 0.58, with an annualized covariance of 1165.9 %².
Among the 26 assets we track against GFF, NX ranks #9 by 3-year correlation. The last year tells two different stories: GFF led by 36.8 percentage points, +28.4% for GFF against -8.4% for NX.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
GFF vs NX: side by side
| GFF (Griffon Corporation) | NX (Quanex Building Products Corporation) | |
|---|---|---|
| 1-year return | +28.4% | -8.4% |
| 5-year return | +396.8% | -10.0% |
| Volatility (ann.) | 38.7% | 49.4% |
| Beta vs S&P 500 | 1.14 | 1.11 |
| Max drawdown (3Y) | -27.9% | -70.4% |
| Market cap | $4.5B | $0.9B |
| P/E (trailing) | 21.1 | – |
| Dividend yield | 0.83% | 1.61% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GFF | NX |
|---|---|---|
| 2022 | +36.9% | -3.1% |
| 2023 | +84.0% | +30.7% |
| 2024 | +18.0% | -19.9% |
| 2025 | +4.4% | -35.4% |
| 2026 | +35.4% | +29.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GFF and NX good diversifiers for each other?
Only partially. A correlation of 0.61 means GFF and NX share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between GFF and NX?
As of 2026-08-27, the correlation of weekly returns between GFF and NX is 0.61 over 3 years, 0.69 over 1 year and 0.58 over 5 years.
Is NX a good diversifier for GFF?
Only partially. A correlation of 0.61 means GFF and NX share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.61 mean?
A reading of 0.61 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/gff-vs-nx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/gff-vs-nx/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: GFF correlations · NX correlations
