PCG vs POR: Correlation
PG&E Corporation (PCG) and Portland General Electric Co (POR) show a moderate relationship: their 3-year correlation of weekly returns is 0.59.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PCG and POR?
On 3 years of weekly data the PCG/POR correlation comes out at 0.59, moderate. Little has changed lately, as the 1-year reading of 0.61 lands near the 3-year figure. The 5-year figure is 0.40, and annualized covariance runs at 269.1 %².
In PCG's tracked universe of 30 assets, POR sits right near the top at #3. Twelve-month performance is nearly a tie, at +20.3% for PCG and +21.0% for POR.
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.
PCG vs POR: side by side
| PCG (PG&E Corporation) | POR (Portland General Electric Co) | |
|---|---|---|
| 1-year return | +20.3% | +21.0% |
| 5-year return | +102.7% | +20.7% |
| Volatility (ann.) | 24.7% | 18.5% |
| Beta vs S&P 500 | 0.24 | 0.10 |
| Max drawdown (3Y) | -39.6% | -16.3% |
| Market cap | $39.5B | $5.9B |
| P/E (trailing) | 12.9 | 22.2 |
| Dividend yield | 0.96% | 4.24% |
| Sector / category | Utilities | US Listed |
Year-by-year returns
| Year | PCG | POR |
|---|---|---|
| 2022 | +33.9% | -4.0% |
| 2023 | +10.9% | -7.7% |
| 2024 | +12.3% | +5.3% |
| 2025 | -19.7% | +15.4% |
| 2026 | +12.3% | +6.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PCG and POR good diversifiers for each other?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between PCG and POR?
The PCG/POR correlation stands at 0.59 on a 3-year window (1 year: 0.61, 5 years: 0.40), computed from weekly returns as of 2026-08-27.
Is POR a good diversifier for PCG?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.59 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
$ curl https://www.pairbook.io/api/v1/pairs/pcg-vs-por.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/pcg-vs-por/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PCG correlations · POR correlations
