D vs POR: Correlation
Dominion Energy (D) and Portland General Electric Co (POR) show a strong relationship: their 3-year correlation of weekly returns is 0.64.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are D and POR?
Over the past 3 years, D and POR moved with a correlation of 0.64, which is strong. Little has changed lately, as the 1-year reading of 0.64 lands near the 3-year figure. Over 5 years the correlation is 0.64, and the annualized covariance of weekly returns is 243.0 %².
Among the 31 assets we track against D, POR ranks #14 by 3-year correlation. Over the last 12 months POR came out ahead by 5.9 percentage points (+15.1% against +21.0%).
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.
D vs POR: side by side
| D (Dominion Energy) | POR (Portland General Electric Co) | |
|---|---|---|
| 1-year return | +15.1% | +21.0% |
| 5-year return | +6.1% | +20.7% |
| Volatility (ann.) | 20.5% | 18.5% |
| Beta vs S&P 500 | 0.18 | 0.10 |
| Max drawdown (3Y) | -19.1% | -16.3% |
| Market cap | $58.5B | $5.9B |
| P/E (trailing) | 23.2 | 22.2 |
| Dividend yield | 3.99% | 4.24% |
| Sector / category | Utilities | US Listed |
Year-by-year returns
| Year | D | POR |
|---|---|---|
| 2022 | -19.1% | -4.0% |
| 2023 | -19.1% | -7.7% |
| 2024 | +20.4% | +5.3% |
| 2025 | +14.0% | +15.4% |
| 2026 | +15.9% | +6.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are D and POR good diversifiers for each other?
To a limited degree. At 0.64 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between D and POR?
As of 2026-08-27, the correlation of weekly returns between D and POR is 0.64 over 3 years, 0.64 over 1 year and 0.64 over 5 years.
Is POR a good diversifier for D?
To a limited degree. At 0.64 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.64 mean?
A reading of 0.64 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/d-vs-por.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/d-vs-por/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: D correlations · POR correlations
