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EMR vs WAB: Correlation

Emerson Electric (EMR) and Wabtec (WAB) show a moderate relationship: their 3-year correlation of weekly returns is 0.58.

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

Correlation (3Y)
0.58
moderate
Correlation (1Y)
0.57
last 12 months
Correlation (5Y)
0.63
long-run
Ann. covariance
414.5
%² · weekly, annualized

How correlated are EMR and WAB?

Across a 3-year window, the weekly returns of EMR and WAB correlate at 0.58, moderate. The relationship has been stable: the 1-year correlation (0.57) sits close to the 3-year figure. Stretching to 5 years gives 0.63, with an annualized covariance of 414.5 %².

By 3-year correlation, WAB places #26 of the 47 assets tracked against EMR. The last year tells two different stories: WAB led by 32.9 percentage points, +20.0% for EMR against +52.9% for WAB. On a rolling one-year basis the correlation drifted between 0.31 and 0.77, a moderate band.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past three years.
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.

EMR vs WAB: side by side

EMR (Emerson Electric)WAB (Wabtec)
1-year return+20.0%+52.9%
5-year return+65.4%+241.0%
Volatility (ann.)28.3%25.3%
Beta vs S&P 5001.290.99
Max drawdown (3Y)-29.6%-23.6%
Market cap$88.0B$50.2B
P/E (trailing)34.540.5
Dividend yield1.39%0.37%
Sector / categoryIndustrialsIndustrials
Lower P/E: EMR 34.5 vs 40.5Higher yield: EMR 1.39% vs 0.37%Smaller drawdown: WAB -23.6% vs -29.6%Higher 5y return: WAB +241.0% vs +65.4%
-5%0%+57%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). EMR · WAB

Year-by-year returns

YearEMRWAB
2022+5.7%+9.1%
2023+3.8%+28.0%
2024+29.7%+50.1%
2025+8.9%+13.2%
2026+20.2%+39.8%

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

Are EMR and WAB good diversifiers for each other?

Only partially. A correlation of 0.58 means EMR and WAB 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 EMR and WAB?

As of 2026-08-27, the correlation of weekly returns between EMR and WAB is 0.58 over 3 years, 0.57 over 1 year and 0.63 over 5 years.

Is WAB a good diversifier for EMR?

Only partially. A correlation of 0.58 means EMR and WAB 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?

A reading of 0.58 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/emr-vs-wab.json

EMR vs WAB: 3-year weekly correlation 0.58EMR vs WAB0.58

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[![EMR vs WAB correlation](https://www.pairbook.io/api/v1/badge/emr-vs-wab.svg)](https://www.pairbook.io/pair/emr-vs-wab/)

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Related comparisons

Hubs: EMR correlations · WAB correlations