COR vs PPL: Correlation
Cencora (COR) and PPL Corporation (PPL) show a moderate relationship: their 3-year correlation of weekly returns is 0.40.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COR and PPL?
Across a 3-year window, the weekly returns of COR and PPL correlate at 0.40, moderate. The past 12 months show a tighter link (0.58) than the 3-year average (0.40). Stretching to 5 years gives 0.44, with an annualized covariance of 154.7 %².
Among the 43 assets we track against COR, PPL ranks #8 by 3-year correlation. Over the last 12 months COR came out ahead by 14.4 percentage points (+11.4% against -3.0%). Across three years, the rolling one-year figure varied moderately, from 0.16 to 0.61.
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.
COR vs PPL: side by side
| COR (Cencora) | PPL (PPL Corporation) | |
|---|---|---|
| 1-year return | +11.4% | -3.0% |
| 5-year return | +188.6% | +41.1% |
| Volatility (ann.) | 21.9% | 17.4% |
| Beta vs S&P 500 | 0.08 | 0.13 |
| Max drawdown (3Y) | -32.4% | -13.3% |
| Market cap | $61.3B | $25.9B |
| P/E (trailing) | 24.3 | 20.7 |
| Dividend yield | 0.72% | 3.18% |
| Sector / category | Health Care | Utilities |
Year-by-year returns
| Year | COR | PPL |
|---|---|---|
| 2022 | +26.3% | +0.4% |
| 2023 | +25.3% | -3.8% |
| 2024 | +10.4% | +24.0% |
| 2025 | +51.5% | +11.4% |
| 2026 | -4.3% | -0.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COR and PPL good diversifiers for each other?
Reasonably. At 0.40, COR and PPL keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between COR and PPL?
Using weekly returns as of 2026-08-27: 0.40 over 3 years, with 0.58 over the last year and 0.44 over 5 years.
Is PPL a good diversifier for COR?
Reasonably. At 0.40, COR and PPL keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.40 mean?
On the −1 to +1 scale, 0.40 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/cor-vs-ppl.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cor-vs-ppl/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: COR correlations · PPL correlations
