FERG vs MLM: Correlation
Ferguson Enterprises (FERG) and Martin Marietta Materials (MLM) show a moderate relationship: their 3-year correlation of weekly returns is 0.58.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FERG and MLM?
On 3 years of weekly data the FERG/MLM correlation comes out at 0.58, moderate. The relationship has been stable: the 1-year correlation (0.59) sits close to the 3-year figure. The 5-year figure is 0.59, and annualized covariance runs at 415.2 %².
Among the 35 assets we track against FERG, MLM ranks #10 by 3-year correlation. Over the last 12 months FERG came out ahead by 14.9 percentage points (+1.1% against -13.8%). The rolling one-year correlation moved between 0.31 and 0.70 over the past three years, a moderate range.
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.
FERG vs MLM: side by side
| FERG (Ferguson Enterprises) | MLM (Martin Marietta Materials) | |
|---|---|---|
| 1-year return | +1.1% | -13.8% |
| 5-year return | +82.2% | +42.4% |
| Volatility (ann.) | 30.0% | 23.9% |
| Beta vs S&P 500 | 0.99 | 0.85 |
| Max drawdown (3Y) | -32.9% | -26.8% |
| Market cap | $45.1B | $37.5B |
| P/E (trailing) | 23.0 | 34.4 |
| Dividend yield | 1.80% | 0.62% |
| Sector / category | Industrials | Materials |
Year-by-year returns
| Year | FERG | MLM |
|---|---|---|
| 2022 | -27.2% | -22.7% |
| 2023 | +55.1% | +48.6% |
| 2024 | -8.6% | +4.1% |
| 2025 | +29.9% | +21.3% |
| 2026 | +6.4% | -14.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FERG and MLM good diversifiers for each other?
To a limited degree. At 0.58 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between FERG and MLM?
Using weekly returns as of 2026-08-27: 0.58 over 3 years, with 0.59 over the last year and 0.59 over 5 years.
Is MLM a good diversifier for FERG?
To a limited degree. At 0.58 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.58 mean?
A reading of 0.58 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/ferg-vs-mlm.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ferg-vs-mlm/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: FERG correlations · MLM correlations
