PLPC vs ROG: Correlation
Preformed Line Products Company (PLPC) and Rogers Corporation (ROG) show a moderate relationship: their 3-year correlation of weekly returns is 0.48.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PLPC and ROG?
On 3 years of weekly data the PLPC/ROG correlation comes out at 0.48, moderate. Recent behaviour matches the longer record: 0.47 over 1 year against 0.48 over 3. The 5-year figure is 0.31, and annualized covariance runs at 697.9 %².
In PLPC's tracked universe of 10 assets, ROG sits right near the top at #2. The last year tells two different stories: PLPC led by 58.6 percentage points, +121.4% for PLPC against +62.8% for ROG.
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.
PLPC vs ROG: side by side
| PLPC (Preformed Line Products Company) | ROG (Rogers Corporation) | |
|---|---|---|
| 1-year return | +121.4% | +62.8% |
| 5-year return | +514.6% | -39.5% |
| Volatility (ann.) | 42.3% | 34.4% |
| Beta vs S&P 500 | 0.76 | 1.02 |
| Max drawdown (3Y) | -38.5% | -64.0% |
| Market cap | $2.1B | $2.3B |
| P/E (trailing) | 46.4 | 74.8 |
| Dividend yield | 0.20% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PLPC | ROG |
|---|---|---|
| 2022 | +29.9% | -56.3% |
| 2023 | +61.8% | +10.7% |
| 2024 | -3.9% | -23.1% |
| 2025 | +62.6% | -9.9% |
| 2026 | +104.1% | +41.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PLPC and ROG good diversifiers for each other?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between PLPC and ROG?
Using weekly returns as of 2026-08-27: 0.48 over 3 years, with 0.47 over the last year and 0.31 over 5 years.
Is ROG a good diversifier for PLPC?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.48 mean?
On the −1 to +1 scale, 0.48 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/plpc-vs-rog.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/plpc-vs-rog/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: PLPC correlations · ROG correlations
