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OC vs PRGO: Correlation

Owens Corning Inc (OC) and Perrigo Company plc (PRGO) show a moderate relationship: their 3-year correlation of weekly returns is 0.46.

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

Correlation (3Y)
0.46
moderate
Correlation (1Y)
0.69
last 12 months
Correlation (5Y)
0.35
long-run
Ann. covariance
701.9
%² · weekly, annualized

How correlated are OC and PRGO?

Over the past 3 years, OC and PRGO moved with a correlation of 0.46, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.69 versus 0.46 over 3 years. Over 5 years the correlation is 0.35, and the annualized covariance of weekly returns is 701.9 %².

Within OC's tracked universe of 24 assets, PRGO comes in at #18 by 3-year correlation. The last year tells two different stories: OC led by 32.5 percentage points, -3.6% for OC against -36.1% for PRGO.

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.

OC vs PRGO: side by side

OC (Owens Corning Inc)PRGO (Perrigo Company plc)
1-year return-3.6%-36.1%
5-year return+60.3%-56.9%
Volatility (ann.)35.1%43.6%
Beta vs S&P 5001.410.82
Max drawdown (3Y)-52.5%-71.6%
Market cap$11.4B$2.0B
P/E (trailing)
Dividend yield2.10%7.86%
Sector / categoryUS ListedUS Listed
Higher yield: PRGO 7.86% vs 2.10%Smaller drawdown: OC -52.5% vs -71.6%Higher 5y return: OC +60.3% vs -56.9%
-58%0%+4%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. OC · PRGO

Year-by-year returns

YearOCPRGO
2022-4.2%-9.8%
2023+77.2%-2.5%
2024+16.6%-16.9%
2025-33.0%-44.0%
2026+30.9%+8.3%

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

Are OC and PRGO good diversifiers for each other?

Reasonably. At 0.46, OC and PRGO keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between OC and PRGO?

The OC/PRGO correlation stands at 0.46 on a 3-year window (1 year: 0.69, 5 years: 0.35), computed from weekly returns as of 2026-08-27.

Is PRGO a good diversifier for OC?

Reasonably. At 0.46, OC and PRGO keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.46 mean?

A reading of 0.46 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/oc-vs-prgo.json

OC vs PRGO: 3-year weekly correlation 0.46OC vs PRGO0.46

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Related comparisons

Hubs: OC correlations · PRGO correlations