VMC vs WMS: Correlation
How closely do Vulcan Materials Company (VMC) and Advanced Drainage Systems, Inc. (WMS) 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 VMC and WMS?
On 3 years of weekly data the VMC/WMS correlation comes out at 0.61, strong. The past 12 months show a tighter link (0.75) than the 3-year average (0.61). The 5-year figure is 0.55, and annualized covariance runs at 567.0 %².
Among the 34 assets we track against VMC, WMS ranks #6 by 3-year correlation. Their 12-month results are close: -5.2% for VMC against -4.4% for WMS.
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.
VMC vs WMS: side by side
| VMC (Vulcan Materials Company) | WMS (Advanced Drainage Systems, Inc.) | |
|---|---|---|
| 1-year return | -5.2% | -4.4% |
| 5-year return | +53.2% | +22.1% |
| Volatility (ann.) | 25.2% | 37.1% |
| Beta vs S&P 500 | 0.82 | 1.31 |
| Max drawdown (3Y) | -24.4% | -45.8% |
| Market cap | $35.5B | $10.5B |
| P/E (trailing) | 32.3 | 23.6 |
| Dividend yield | 0.74% | 0.52% |
| Sector / category | Materials | US Listed |
Year-by-year returns
| Year | VMC | WMS |
|---|---|---|
| 2022 | -14.9% | -39.5% |
| 2023 | +30.8% | +72.4% |
| 2024 | +14.1% | -17.5% |
| 2025 | +11.7% | +26.0% |
| 2026 | -3.4% | -3.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are VMC and WMS good diversifiers for each other?
To a limited degree. At 0.61 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 VMC and WMS?
Using weekly returns as of 2026-08-27: 0.61 over 3 years, with 0.75 over the last year and 0.55 over 5 years.
Is WMS a good diversifier for VMC?
To a limited degree. At 0.61 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 0.61 mean?
On the −1 to +1 scale, 0.61 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/vmc-vs-wms.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/vmc-vs-wms/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: VMC correlations · WMS correlations
