BDC vs PLPC: Correlation
Measured on weekly returns over the past three years, Belden Inc (BDC) and Preformed Line Products Company (PLPC) carry a correlation of 0.47, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BDC and PLPC?
Across a 3-year window, the weekly returns of BDC and PLPC correlate at 0.47, moderate. The relationship has been stable: the 1-year correlation (0.53) sits close to the 3-year figure. Stretching to 5 years gives 0.46, with an annualized covariance of 770.0 %².
Among the 13 assets we track against BDC, PLPC ranks #6 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months PLPC outperformed by 131.0 percentage points (-9.6% for BDC against +121.4% for PLPC).
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.
BDC vs PLPC: side by side
| BDC (Belden Inc) | PLPC (Preformed Line Products Company) | |
|---|---|---|
| 1-year return | -9.6% | +121.4% |
| 5-year return | +113.6% | +514.6% |
| Volatility (ann.) | 39.2% | 42.3% |
| Beta vs S&P 500 | 1.17 | 0.76 |
| Max drawdown (3Y) | -35.8% | -38.5% |
| Market cap | $4.7B | $2.1B |
| P/E (trailing) | 19.5 | 46.4 |
| Dividend yield | 0.17% | 0.20% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BDC | PLPC |
|---|---|---|
| 2022 | +9.7% | +29.9% |
| 2023 | +7.7% | +61.8% |
| 2024 | +46.1% | -3.9% |
| 2025 | +3.7% | +62.6% |
| 2026 | +3.0% | +104.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BDC and PLPC good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.47 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BDC and PLPC?
Using weekly returns as of 2026-08-27: 0.47 over 3 years, with 0.53 over the last year and 0.46 over 5 years.
Is PLPC a good diversifier for BDC?
Yes, to a useful degree: a correlation of 0.47 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.47 mean?
On the −1 to +1 scale, 0.47 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.
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Related comparisons
Hubs: BDC correlations · PLPC correlations