ATMU vs CMI: Correlation
Atmus Filtration Technologies Inc. (ATMU) and Cummins (CMI) show a strong relationship: their 3-year correlation of weekly returns is 0.66.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATMU and CMI?
On 3 years of weekly data the ATMU/CMI correlation comes out at 0.66, strong. Lately the two have drifted apart, with the 1-year correlation at 0.52 versus 0.66 over 3 years. The 5-year figure is n/a, and annualized covariance runs at 552.3 %².
In ATMU's tracked universe of 12 assets, CMI sits right near the top at #1. The last year tells two different stories: CMI led by 35.2 percentage points, +9.9% for ATMU against +45.1% for CMI.
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.
ATMU vs CMI: side by side
| ATMU (Atmus Filtration Technologies Inc.) | CMI (Cummins) | |
|---|---|---|
| 1-year return | +9.9% | +45.1% |
| 5-year return | n/a | +169.6% |
| Volatility (ann.) | 32.4% | 25.9% |
| Beta vs S&P 500 | 1.02 | 1.05 |
| Max drawdown (3Y) | -30.2% | -30.5% |
| Market cap | $4.0B | $79.0B |
| P/E (trailing) | 19.0 | 29.6 |
| Dividend yield | 0.45% | 1.38% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | ATMU | CMI |
|---|---|---|
| 2022 | – | +14.1% |
| 2023 | – | +1.7% |
| 2024 | +67.3% | +48.9% |
| 2025 | +33.2% | +49.4% |
| 2026 | -5.8% | +13.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATMU and CMI good diversifiers for each other?
Only partially. A correlation of 0.66 means ATMU and CMI 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 ATMU and CMI?
As of 2026-08-27, the correlation of weekly returns between ATMU and CMI is 0.66 over 3 years, 0.52 over 1 year and n/a over 5 years.
Is CMI a good diversifier for ATMU?
Only partially. A correlation of 0.66 means ATMU and CMI share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.66 mean?
A reading of 0.66 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/atmu-vs-cmi.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/atmu-vs-cmi/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ATMU correlations · CMI correlations
