ESE vs NPO: Correlation
Measured on weekly returns over the past three years, ESCO Technologies Inc. (ESE) and Enpro Inc. (NPO) carry a correlation of 0.58, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ESE and NPO?
Across a 3-year window, the weekly returns of ESE and NPO correlate at 0.58, moderate. The relationship has been stable: the 1-year correlation (0.51) sits close to the 3-year figure. Stretching to 5 years gives 0.59, with an annualized covariance of 591.7 %².
NPO is one of the assets that tracks ESE most closely: it ranks #2 out of the 11 assets we track against ESE. Neither side won the trailing year by much: +42.0% against +37.1%.
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.
ESE vs NPO: side by side
| ESE (ESCO Technologies Inc.) | NPO (Enpro Inc.) | |
|---|---|---|
| 1-year return | +42.0% | +37.1% |
| 5-year return | +214.2% | +270.5% |
| Volatility (ann.) | 29.6% | 34.4% |
| Beta vs S&P 500 | 0.79 | 1.27 |
| Max drawdown (3Y) | -22.3% | -33.7% |
| Market cap | $7.3B | $6.5B |
| P/E (trailing) | 52.3 | 149.1 |
| Dividend yield | 0.11% | 0.41% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ESE | NPO |
|---|---|---|
| 2022 | -2.3% | -0.2% |
| 2023 | +34.1% | +45.6% |
| 2024 | +14.1% | +10.9% |
| 2025 | +47.0% | +25.0% |
| 2026 | +44.2% | +44.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ESE and NPO good diversifiers for each other?
Only partially. A correlation of 0.58 means ESE and NPO share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between ESE and NPO?
As of 2026-08-27, the correlation of weekly returns between ESE and NPO is 0.58 over 3 years, 0.51 over 1 year and 0.59 over 5 years.
Is NPO a good diversifier for ESE?
Only partially. A correlation of 0.58 means ESE and NPO share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.58 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
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Related comparisons
Hubs: ESE correlations · NPO correlations
