OC vs VMC: Correlation
How closely do Owens Corning Inc (OC) and Vulcan Materials Company (VMC) trade together? Their weekly returns over three years give a correlation of 0.61, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are OC and VMC?
Across a 3-year window, the weekly returns of OC and VMC correlate at 0.61, strong. Little has changed lately, as the 1-year reading of 0.56 lands near the 3-year figure. Stretching to 5 years gives 0.59, with an annualized covariance of 536.5 %².
By 3-year correlation, VMC places #8 of the 24 assets tracked against OC. Neither side won the trailing year by much: -3.6% against -5.2%.
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.
OC vs VMC: side by side
| OC (Owens Corning Inc) | VMC (Vulcan Materials Company) | |
|---|---|---|
| 1-year return | -3.6% | -5.2% |
| 5-year return | +60.3% | +53.2% |
| Volatility (ann.) | 35.1% | 25.2% |
| Beta vs S&P 500 | 1.41 | 0.82 |
| Max drawdown (3Y) | -52.5% | -24.4% |
| Market cap | $11.4B | $35.5B |
| P/E (trailing) | – | 32.3 |
| Dividend yield | 2.10% | 0.74% |
| Sector / category | US Listed | Materials |
Year-by-year returns
| Year | OC | VMC |
|---|---|---|
| 2022 | -4.2% | -14.9% |
| 2023 | +77.2% | +30.8% |
| 2024 | +16.6% | +14.1% |
| 2025 | -33.0% | +11.7% |
| 2026 | +30.9% | -3.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are OC and VMC good diversifiers for each other?
Somewhat, no more. With 0.61 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between OC and VMC?
The OC/VMC correlation stands at 0.61 on a 3-year window (1 year: 0.56, 5 years: 0.59), computed from weekly returns as of 2026-08-27.
Is VMC a good diversifier for OC?
Somewhat, no more. With 0.61 correlation, most large moves hit both names, and the diversification benefit stays modest.
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/oc-vs-vmc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/oc-vs-vmc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: OC correlations · VMC correlations
