APOG vs GFF: Correlation
How closely do Apogee Enterprises, Inc. (APOG) and Griffon Corporation (GFF) trade together? Their weekly returns over three years give a correlation of 0.57, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are APOG and GFF?
Over the past 3 years, APOG and GFF moved with a correlation of 0.57, which is moderate. Little has changed lately, as the 1-year reading of 0.65 lands near the 3-year figure. Over 5 years the correlation is 0.51, and the annualized covariance of weekly returns is 905.7 %².
In APOG's tracked universe of 15 assets, GFF sits right near the top at #3. Correlation aside, the last 12 months split them widely, with GFF ahead by 34.1 points (-5.7% versus +28.4%).
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.
APOG vs GFF: side by side
| APOG (Apogee Enterprises, Inc.) | GFF (Griffon Corporation) | |
|---|---|---|
| 1-year return | -5.7% | +28.4% |
| 5-year return | +5.1% | +396.8% |
| Volatility (ann.) | 41.4% | 38.7% |
| Beta vs S&P 500 | 0.88 | 1.14 |
| Max drawdown (3Y) | -62.5% | -27.9% |
| Market cap | $0.8B | $4.5B |
| P/E (trailing) | 12.7 | 21.1 |
| Dividend yield | 2.59% | 0.83% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | APOG | GFF |
|---|---|---|
| 2022 | -5.7% | +36.9% |
| 2023 | +22.8% | +84.0% |
| 2024 | +35.8% | +18.0% |
| 2025 | -47.8% | +4.4% |
| 2026 | +14.0% | +35.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are APOG and GFF good diversifiers for each other?
Only partially. A correlation of 0.57 means APOG and GFF 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 APOG and GFF?
Using weekly returns as of 2026-08-27: 0.57 over 3 years, with 0.65 over the last year and 0.51 over 5 years.
Is GFF a good diversifier for APOG?
Only partially. A correlation of 0.57 means APOG and GFF share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.57 mean?
On the −1 to +1 scale, 0.57 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/apog-vs-gff.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/apog-vs-gff/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: APOG correlations · GFF correlations
