CMS vs D: Correlation
Measured on weekly returns over the past three years, CMS Energy (CMS) and Dominion Energy (D) carry a correlation of 0.67, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CMS and D?
Over the past 3 years, CMS and D moved with a correlation of 0.67, which is strong. Recent behaviour matches the longer record: 0.64 over 1 year against 0.67 over 3. Over 5 years the correlation is 0.72, and the annualized covariance of weekly returns is 222.7 %².
By 3-year correlation, D places #20 of the 42 assets tracked against CMS. Correlation aside, the last 12 months split them widely, with D ahead by 17.5 points (-2.4% versus +15.1%). On a rolling one-year basis the correlation drifted between 0.51 and 0.79, a moderate band.
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.
CMS vs D: side by side
| CMS (CMS Energy) | D (Dominion Energy) | |
|---|---|---|
| 1-year return | -2.4% | +15.1% |
| 5-year return | +23.8% | +6.1% |
| Volatility (ann.) | 16.2% | 20.5% |
| Beta vs S&P 500 | -0.01 | 0.18 |
| Max drawdown (3Y) | -13.2% | -19.1% |
| Market cap | $21.4B | $58.5B |
| P/E (trailing) | 20.8 | 23.2 |
| Dividend yield | 3.21% | 3.99% |
| Sector / category | Utilities | Utilities |
Year-by-year returns
| Year | CMS | D |
|---|---|---|
| 2022 | +0.2% | -19.1% |
| 2023 | -5.2% | -19.1% |
| 2024 | +18.6% | +20.4% |
| 2025 | +8.1% | +14.0% |
| 2026 | +0.0% | +15.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CMS and D good diversifiers for each other?
To a limited degree. At 0.67 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 CMS and D?
The CMS/D correlation stands at 0.67 on a 3-year window (1 year: 0.64, 5 years: 0.72), computed from weekly returns as of 2026-08-27.
Is D a good diversifier for CMS?
To a limited degree. At 0.67 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 0.67 mean?
A reading of 0.67 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/cms-vs-d.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cms-vs-d/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CMS correlations · D correlations