KNF vs MLM: Correlation
Measured on weekly returns over the past three years, Knife Riv Holding Co. (KNF) and Martin Marietta Materials (MLM) carry a correlation of 0.60, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KNF and MLM?
Across a 3-year window, the weekly returns of KNF and MLM correlate at 0.60, strong. Recent behaviour matches the longer record: 0.52 over 1 year against 0.60 over 3. Stretching to 5 years gives n/a, with an annualized covariance of 575.4 %².
MLM is one of the assets that tracks KNF most closely: it ranks #2 out of the 11 assets we track against KNF. Over the last 12 months MLM came out ahead by 5.8 percentage points (-19.6% against -13.8%). Risk is not evenly split, since KNF carries 1.7 times the volatility of the other side.
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 MLM: side by side
| KNF (Knife Riv Holding Co.) | MLM (Martin Marietta Materials) | |
|---|---|---|
| 1-year return | -19.6% | -13.8% |
| 5-year return | n/a | +42.4% |
| Volatility (ann.) | 40.3% | 23.9% |
| Beta vs S&P 500 | 1.06 | 0.85 |
| Max drawdown (3Y) | -44.2% | -26.8% |
| Market cap | $3.8B | $37.5B |
| P/E (trailing) | 27.2 | 34.4 |
| Dividend yield | 0.00% | 0.62% |
| Sector / category | US Listed | Materials |
Year-by-year returns
| Year | KNF | MLM |
|---|---|---|
| 2022 | – | -22.7% |
| 2023 | – | +48.6% |
| 2024 | +53.6% | +4.1% |
| 2025 | -30.8% | +21.3% |
| 2026 | -5.4% | -14.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KNF and MLM good diversifiers for each other?
Somewhat, no more. With 0.60 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between KNF and MLM?
As of 2026-08-27, the correlation of weekly returns between KNF and MLM is 0.60 over 3 years, 0.52 over 1 year and n/a over 5 years.
Is MLM a good diversifier for KNF?
Somewhat, no more. With 0.60 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.60 mean?
A reading of 0.60 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/knf-vs-mlm.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/knf-vs-mlm/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: KNF correlations · MLM correlations
