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BW vs CMI: Correlation

How closely do Babcock & Wilcox Enterprises, Inc. (BW) and Cummins (CMI) trade together? Their weekly returns over three years give a correlation of 0.41, which is moderate.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.41
moderate
Correlation (1Y)
0.25
last 12 months
Correlation (5Y)
0.37
long-run
Ann. covariance
1454.6
%² · weekly, annualized

How correlated are BW and CMI?

On 3 years of weekly data the BW/CMI correlation comes out at 0.41, moderate. The link has loosened recently: the 1-year correlation (0.25) runs below the 3-year figure (0.41). The 5-year figure is 0.37, and annualized covariance runs at 1454.6 %².

In BW's tracked universe of 10 assets, CMI sits right near the top at #2. The last year tells two different stories: BW led by 272.3 percentage points, +317.4% for BW against +45.1% for CMI. Note the risk asymmetry: BW runs 5.3 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

BW vs CMI: side by side

BW (Babcock & Wilcox Enterprises, Inc.)CMI (Cummins)
1-year return+317.4%+45.1%
5-year return+5.9%+169.6%
Volatility (ann.)137.1%25.9%
Beta vs S&P 5003.261.05
Max drawdown (3Y)-95.2%-30.5%
Market cap$1.1B$79.0B
P/E (trailing)29.6
Dividend yield0.00%1.38%
Sector / categoryUS ListedIndustrials
Higher yield: CMI 1.38% vs 0.00%Smaller drawdown: CMI -30.5% vs -95.2%Higher 5y return: CMI +169.6% vs +5.9%
0%+926%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BW · CMI

Year-by-year returns

YearBWCMI
2022-36.0%+14.1%
2023-74.7%+1.7%
2024+12.3%+48.9%
2025+286.6%+49.4%
2026+21.1%+13.6%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are BW and CMI good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between BW and CMI?

The BW/CMI correlation stands at 0.41 on a 3-year window (1 year: 0.25, 5 years: 0.37), computed from weekly returns as of 2026-08-27.

Is CMI a good diversifier for BW?

Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.41 mean?

A reading of 0.41 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/bw-vs-cmi.json

BW vs CMI: 3-year weekly correlation 0.41BW vs CMI0.41

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Related comparisons

Hubs: BW correlations · CMI correlations