PairBook
HomeJBI › JBI vs OC

JBI vs OC: Correlation

Janus International Group, Inc. (JBI) and Owens Corning Inc (OC) show a moderate relationship: their 3-year correlation of weekly returns is 0.54.

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

Correlation (3Y)
0.54
moderate
Correlation (1Y)
0.71
last 12 months
Correlation (5Y)
0.50
long-run
Ann. covariance
865.8
%² · weekly, annualized

How correlated are JBI and OC?

On 3 years of weekly data the JBI/OC correlation comes out at 0.54, moderate. The past 12 months show a tighter link (0.71) than the 3-year average (0.54). The 5-year figure is 0.50, and annualized covariance runs at 865.8 %².

In JBI's tracked universe of 11 assets, OC sits right near the top at #3. Their recent paths diverged sharply: over the last 12 months OC outperformed by 49.0 percentage points (-52.6% for JBI against -3.6% for OC).

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.

JBI vs OC: side by side

JBI (Janus International Group, Inc.)OC (Owens Corning Inc)
1-year return-52.6%-3.6%
5-year return-66.6%+60.3%
Volatility (ann.)46.0%35.1%
Beta vs S&P 5001.011.41
Max drawdown (3Y)-69.3%-52.5%
Market cap$0.7B$11.4B
P/E (trailing)21.5
Dividend yield0.00%2.10%
Sector / categoryUS ListedUS Listed
Higher yield: OC 2.10% vs 0.00%Smaller drawdown: OC -52.5% vs -69.3%Higher 5y return: OC +60.3% vs -66.6%
-54%0%+4%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). JBI · OC

Year-by-year returns

YearJBIOC
2022-24.0%-4.2%
2023+37.1%+77.2%
2024-43.7%+16.6%
2025-11.0%-33.0%
2026-24.3%+30.9%

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

Are JBI and OC good diversifiers for each other?

Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between JBI and OC?

Using weekly returns as of 2026-08-27: 0.54 over 3 years, with 0.71 over the last year and 0.50 over 5 years.

Is OC a good diversifier for JBI?

Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.54 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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

JBI vs OC: 3-year weekly correlation 0.54JBI vs OC0.54

Embed this badge (it refreshes with the data), with attribution:

[![JBI vs OC correlation](https://www.pairbook.io/api/v1/badge/jbi-vs-oc.svg)](https://www.pairbook.io/pair/jbi-vs-oc/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: JBI correlations · OC correlations