PPC vs WDC: Correlation
How closely do Pilgrim's Pride Corporation (PPC) and Western Digital (WDC) trade together? Their weekly returns over three years give a correlation of -0.24, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PPC and WDC?
On 3 years of weekly data the PPC/WDC correlation comes out at -0.24, negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.39) runs below the 3-year figure (-0.24). The 5-year figure is -0.03, and annualized covariance runs at -427.0 %².
Among the 23 assets we track against PPC, WDC ranks #18 by 3-year correlation. Correlation aside, the last 12 months split them widely, with WDC ahead by 505.1 points (-30.8% versus +474.3%). Note the risk asymmetry: WDC runs 1.9 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
PPC vs WDC: side by side
| PPC (Pilgrim's Pride Corporation) | WDC (Western Digital) | |
|---|---|---|
| 1-year return | -30.8% | +474.3% |
| 5-year return | +32.4% | +889.2% |
| Volatility (ann.) | 30.3% | 58.0% |
| Beta vs S&P 500 | -0.17 | 2.15 |
| Max drawdown (3Y) | -49.2% | -49.6% |
| Market cap | $7.4B | $166.6B |
| P/E (trailing) | 13.6 | 17.4 |
| Dividend yield | 0.00% | 0.11% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | PPC | WDC |
|---|---|---|
| 2022 | -15.9% | -51.6% |
| 2023 | +16.6% | +66.0% |
| 2024 | +64.1% | +13.9% |
| 2025 | +1.4% | +283.7% |
| 2026 | -20.2% | +168.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PPC and WDC good diversifiers for each other?
Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between PPC and WDC?
Using weekly returns as of 2026-08-27: -0.24 over 3 years, with -0.39 over the last year and -0.03 over 5 years.
Is WDC a good diversifier for PPC?
Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.24 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
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Related comparisons
Hubs: PPC correlations · WDC correlations