ECVT vs NC: Correlation
Measured on weekly returns over the past three years, Ecovyst Inc. (ECVT) and NACCO Industries, Inc. (NC) carry a correlation of 0.37, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ECVT and NC?
Across a 3-year window, the weekly returns of ECVT and NC correlate at 0.37, moderate. Little has changed lately, as the 1-year reading of 0.27 lands near the 3-year figure. Stretching to 5 years gives 0.30, with an annualized covariance of 539.4 %².
Within ECVT's tracked universe of 13 assets, NC comes in at #8 by 3-year correlation. Neither side won the trailing year by much: +11.5% against +12.2%.
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.
ECVT vs NC: side by side
| ECVT (Ecovyst Inc.) | NC (NACCO Industries, Inc.) | |
|---|---|---|
| 1-year return | +11.5% | +12.2% |
| 5-year return | -23.2% | +96.1% |
| Volatility (ann.) | 39.7% | 36.3% |
| Beta vs S&P 500 | 0.82 | 0.46 |
| Max drawdown (3Y) | -52.2% | -31.2% |
| Market cap | $1.1B | $0.3B |
| P/E (trailing) | 44.1 | 18.7 |
| Dividend yield | 0.00% | 2.39% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ECVT | NC |
|---|---|---|
| 2022 | -13.5% | +6.7% |
| 2023 | +10.3% | -1.5% |
| 2024 | -21.8% | -15.9% |
| 2025 | +27.4% | +68.8% |
| 2026 | +4.3% | -11.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ECVT and NC good diversifiers for each other?
Reasonably. At 0.37, ECVT and NC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ECVT and NC?
The ECVT/NC correlation stands at 0.37 on a 3-year window (1 year: 0.27, 5 years: 0.30), computed from weekly returns as of 2026-08-27.
Is NC a good diversifier for ECVT?
Reasonably. At 0.37, ECVT and NC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.37 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/ecvt-vs-nc.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ecvt-vs-nc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ECVT correlations · NC correlations
