EML vs OC: Correlation
Eastern Company (The) (EML) and Owens Corning Inc (OC) show a moderate relationship: their 3-year correlation of weekly returns is 0.43.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EML and OC?
On 3 years of weekly data the EML/OC correlation comes out at 0.43, moderate. Little has changed lately, as the 1-year reading of 0.47 lands near the 3-year figure. The 5-year figure is 0.37, and annualized covariance runs at 598.1 %².
In EML's tracked universe of 10 assets, OC sits right near the top at #3. The last year tells two different stories: EML led by 15.5 percentage points, +11.9% for EML 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.
EML vs OC: side by side
| EML (Eastern Company (The)) | OC (Owens Corning Inc) | |
|---|---|---|
| 1-year return | +11.9% | -3.6% |
| 5-year return | +6.9% | +60.3% |
| Volatility (ann.) | 39.5% | 35.1% |
| Beta vs S&P 500 | 0.99 | 1.41 |
| Max drawdown (3Y) | -47.0% | -52.5% |
| Market cap | $0.2B | $11.4B |
| P/E (trailing) | 19.8 | – |
| Dividend yield | 1.69% | 2.10% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | EML | OC |
|---|---|---|
| 2022 | -21.5% | -4.2% |
| 2023 | +16.8% | +77.2% |
| 2024 | +22.6% | +16.6% |
| 2025 | -24.4% | -33.0% |
| 2026 | +35.9% | +30.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EML and OC good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between EML and OC?
As of 2026-08-27, the correlation of weekly returns between EML and OC is 0.43 over 3 years, 0.47 over 1 year and 0.37 over 5 years.
Is OC a good diversifier for EML?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.43 mean?
On the −1 to +1 scale, 0.43 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/eml-vs-oc.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/eml-vs-oc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: EML correlations · OC correlations
