PPG vs VMC: Correlation
PPG Industries (PPG) and Vulcan Materials Company (VMC) show a moderate relationship: their 3-year correlation of weekly returns is 0.51.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PPG and VMC?
On 3 years of weekly data the PPG/VMC correlation comes out at 0.51, moderate. Little has changed lately, as the 1-year reading of 0.61 lands near the 3-year figure. The 5-year figure is 0.53, and annualized covariance runs at 330.1 %².
Among the 67 assets we track against PPG, VMC ranks #42 by 3-year correlation. On 12-month performance PPG holds a 9.0-point edge, +3.8% against -5.2%. Across three years, the rolling one-year figure varied moderately, from 0.31 to 0.67.
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.
PPG vs VMC: side by side
| PPG (PPG Industries) | VMC (Vulcan Materials Company) | |
|---|---|---|
| 1-year return | +3.8% | -5.2% |
| 5-year return | -22.0% | +53.2% |
| Volatility (ann.) | 25.5% | 25.2% |
| Beta vs S&P 500 | 0.90 | 0.82 |
| Max drawdown (3Y) | -37.4% | -24.4% |
| Market cap | $25.2B | $35.5B |
| P/E (trailing) | 16.4 | 32.3 |
| Dividend yield | 2.48% | 0.74% |
| Sector / category | Materials | Materials |
Year-by-year returns
| Year | PPG | VMC |
|---|---|---|
| 2022 | -25.7% | -14.9% |
| 2023 | +21.2% | +30.8% |
| 2024 | -18.5% | +14.1% |
| 2025 | -12.0% | +11.7% |
| 2026 | +12.8% | -3.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PPG and VMC good diversifiers for each other?
To a limited degree. At 0.51 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 PPG and VMC?
As of 2026-08-27, the correlation of weekly returns between PPG and VMC is 0.51 over 3 years, 0.61 over 1 year and 0.53 over 5 years.
Is VMC a good diversifier for PPG?
To a limited degree. At 0.51 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 0.51 mean?
On the −1 to +1 scale, 0.51 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/ppg-vs-vmc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ppg-vs-vmc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PPG correlations · VMC correlations
