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CRH vs OC: Correlation

CRH plc (CRH) and Owens Corning Inc (OC) show a strong relationship: their 3-year correlation of weekly returns is 0.64.

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

Correlation (3Y)
0.64
strong
Correlation (1Y)
0.60
last 12 months
Correlation (5Y)
0.62
long-run
Ann. covariance
664.0
%² · weekly, annualized

How correlated are CRH and OC?

Across a 3-year window, the weekly returns of CRH and OC correlate at 0.64, strong. Recent behaviour matches the longer record: 0.60 over 1 year against 0.64 over 3. Stretching to 5 years gives 0.62, with an annualized covariance of 664.0 %².

Within CRH's tracked universe of 40 assets, OC comes in at #13 by 3-year correlation. Over the last 12 months OC came out ahead by 11.0 percentage points (-14.6% against -3.6%).

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.

CRH vs OC: side by side

CRH (CRH plc)OC (Owens Corning Inc)
1-year return-14.6%-3.6%
5-year return+104.1%+60.3%
Volatility (ann.)29.7%35.1%
Beta vs S&P 5001.261.41
Max drawdown (3Y)-28.4%-52.5%
Market cap$63.6B$11.4B
P/E (trailing)17.2
Dividend yield1.57%2.10%
Sector / categoryMaterialsUS Listed
Higher yield: OC 2.10% vs 1.57%Smaller drawdown: CRH -28.4% vs -52.5%Higher 5y return: CRH +104.1% vs +60.3%
-34%0%+17%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). CRH · OC

Year-by-year returns

YearCRHOC
2022-20.5%-4.2%
2023+81.3%+77.2%
2024+35.9%+16.6%
2025+35.9%-33.0%
2026-22.6%+30.9%

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

Are CRH and OC good diversifiers for each other?

To a limited degree. At 0.64 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between CRH and OC?

Using weekly returns as of 2026-08-27: 0.64 over 3 years, with 0.60 over the last year and 0.62 over 5 years.

Is OC a good diversifier for CRH?

To a limited degree. At 0.64 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.64 mean?

A reading of 0.64 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/crh-vs-oc.json

CRH vs OC: 3-year weekly correlation 0.64CRH vs OC0.64

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Related comparisons

Hubs: CRH correlations · OC correlations