KNF vs VMC: Correlation
Knife Riv Holding Co. (KNF) and Vulcan Materials Company (VMC) show a moderate relationship: their 3-year correlation of weekly returns is 0.56.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KNF and VMC?
Across a 3-year window, the weekly returns of KNF and VMC correlate at 0.56, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.46 versus 0.56 over 3 years. Stretching to 5 years gives n/a, with an annualized covariance of 565.9 %².
Among the 11 assets we track against KNF, VMC ranks #4 by 3-year correlation. Over the last 12 months VMC came out ahead by 14.4 percentage points (-19.6% against -5.2%). One caveat on sizing: KNF is 1.6 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
KNF vs VMC: side by side
| KNF (Knife Riv Holding Co.) | VMC (Vulcan Materials Company) | |
|---|---|---|
| 1-year return | -19.6% | -5.2% |
| 5-year return | n/a | +53.2% |
| Volatility (ann.) | 40.3% | 25.2% |
| Beta vs S&P 500 | 1.06 | 0.82 |
| Max drawdown (3Y) | -44.2% | -24.4% |
| Market cap | $3.8B | $35.5B |
| P/E (trailing) | 27.2 | 32.3 |
| Dividend yield | 0.00% | 0.74% |
| Sector / category | US Listed | Materials |
Year-by-year returns
| Year | KNF | VMC |
|---|---|---|
| 2022 | – | -14.9% |
| 2023 | – | +30.8% |
| 2024 | +53.6% | +14.1% |
| 2025 | -30.8% | +11.7% |
| 2026 | -5.4% | -3.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KNF and VMC good diversifiers for each other?
Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between KNF and VMC?
Using weekly returns as of 2026-08-27: 0.56 over 3 years, with 0.46 over the last year and n/a over 5 years.
Is VMC a good diversifier for KNF?
Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.56 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/knf-vs-vmc.json
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[](https://www.pairbook.io/pair/knf-vs-vmc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: KNF correlations · VMC correlations
