ALSN vs ATMU: Correlation
How closely do Allison Transmission Holdings, Inc. (ALSN) and Atmus Filtration Technologies Inc. (ATMU) trade together? Their weekly returns over three years give a correlation of 0.60, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ALSN and ATMU?
Over the past 3 years, ALSN and ATMU moved with a correlation of 0.60, which is strong. The relationship has been stable: the 1-year correlation (0.55) sits close to the 3-year figure. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is 574.0 %².
In ALSN's tracked universe of 12 assets, ATMU sits right near the top at #3. The last year tells two different stories: ALSN led by 36.4 percentage points, +46.3% for ALSN against +9.9% for ATMU.
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.
ALSN vs ATMU: side by side
| ALSN (Allison Transmission Holdings, Inc.) | ATMU (Atmus Filtration Technologies Inc.) | |
|---|---|---|
| 1-year return | +46.3% | +9.9% |
| 5-year return | +271.5% | n/a |
| Volatility (ann.) | 29.8% | 32.4% |
| Beta vs S&P 500 | 0.81 | 1.02 |
| Max drawdown (3Y) | -33.6% | -30.2% |
| Market cap | $10.7B | $4.0B |
| P/E (trailing) | 20.4 | 19.0 |
| Dividend yield | 0.87% | 0.45% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ALSN | ATMU |
|---|---|---|
| 2022 | +16.9% | – |
| 2023 | +42.3% | – |
| 2024 | +88.0% | +67.3% |
| 2025 | -8.3% | +33.2% |
| 2026 | +32.9% | -5.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ALSN and ATMU 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 ALSN and ATMU?
The ALSN/ATMU correlation stands at 0.60 on a 3-year window (1 year: 0.55, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is ATMU a good diversifier for ALSN?
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?
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/alsn-vs-atmu.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/alsn-vs-atmu/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ALSN correlations · ATMU correlations
