ALOT vs NPO: Correlation
How closely do AstroNova, Inc. (ALOT) and Enpro Inc. (NPO) trade together? Their weekly returns over three years give a correlation of 0.40, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ALOT and NPO?
Over the past 3 years, ALOT and NPO moved with a correlation of 0.40, which is moderate. The relationship has been stable: the 1-year correlation (0.42) sits close to the 3-year figure. Over 5 years the correlation is 0.30, and the annualized covariance of weekly returns is 801.4 %².
Within ALOT's tracked universe of 20 assets, NPO comes in at #5 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months ALOT outperformed by 129.4 percentage points (+166.5% for ALOT against +37.1% for NPO). One caveat on sizing: ALOT is 1.7 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.
ALOT vs NPO: side by side
| ALOT (AstroNova, Inc.) | NPO (Enpro Inc.) | |
|---|---|---|
| 1-year return | +166.5% | +37.1% |
| 5-year return | +89.7% | +270.5% |
| Volatility (ann.) | 57.8% | 34.4% |
| Beta vs S&P 500 | 0.80 | 1.27 |
| Max drawdown (3Y) | -61.3% | -33.7% |
| Market cap | $0.2B | $6.5B |
| P/E (trailing) | – | 149.1 |
| Dividend yield | 0.00% | 0.41% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ALOT | NPO |
|---|---|---|
| 2022 | -5.0% | -0.2% |
| 2023 | +26.8% | +45.6% |
| 2024 | -26.1% | +10.9% |
| 2025 | -28.0% | +25.0% |
| 2026 | +235.1% | +44.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ALOT and NPO good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.40 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ALOT and NPO?
As of 2026-08-27, the correlation of weekly returns between ALOT and NPO is 0.40 over 3 years, 0.42 over 1 year and 0.30 over 5 years.
Is NPO a good diversifier for ALOT?
Yes, to a useful degree: a correlation of 0.40 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.40 mean?
A reading of 0.40 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: ALOT correlations · NPO correlations
