DUK vs WEC: Correlation
Measured on weekly returns over the past three years, Duke Energy (DUK) and WEC Energy Group (WEC) carry a correlation of 0.80, a very strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DUK and WEC?
Over the past 3 years, DUK and WEC moved with a correlation of 0.80, which is very strong, meaning they move nearly in lockstep. The relationship has been stable: the 1-year correlation (0.88) sits close to the 3-year figure. Over 5 years the correlation is 0.85, and the annualized covariance of weekly returns is 215.6 %².
Within DUK's tracked universe of 53 assets, WEC comes in at #4 by 3-year correlation. Their 12-month results are close: +1.1% for DUK against +2.1% for WEC. Across three years, the rolling one-year figure varied moderately, from 0.64 to 0.90.
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.
DUK vs WEC: side by side
| DUK (Duke Energy) | WEC (WEC Energy Group) | |
|---|---|---|
| 1-year return | +1.1% | +2.1% |
| 5-year return | +39.8% | +32.7% |
| Volatility (ann.) | 15.9% | 16.9% |
| Beta vs S&P 500 | -0.09 | 0.02 |
| Max drawdown (3Y) | -11.6% | -11.6% |
| Market cap | $94.2B | $34.6B |
| P/E (trailing) | 18.3 | 20.6 |
| Dividend yield | 3.49% | 3.43% |
| Sector / category | Utilities | Utilities |
Year-by-year returns
| Year | DUK | WEC |
|---|---|---|
| 2022 | +2.0% | -0.5% |
| 2023 | -1.6% | -7.0% |
| 2024 | +15.6% | +16.1% |
| 2025 | +12.7% | +16.0% |
| 2026 | +5.8% | +3.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DUK and WEC good diversifiers for each other?
No: a correlation of 0.80 means DUK and WEC tend to fall together, which is precisely when diversification is supposed to help.
FAQ
What is the correlation between DUK and WEC?
As of 2026-08-27, the correlation of weekly returns between DUK and WEC is 0.80 over 3 years, 0.88 over 1 year and 0.85 over 5 years.
Is WEC a good diversifier for DUK?
No: a correlation of 0.80 means DUK and WEC tend to fall together, which is precisely when diversification is supposed to help.
What does a correlation of 0.80 mean?
A reading of 0.80 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/duk-vs-wec.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/duk-vs-wec/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: DUK correlations · WEC correlations
