EXC vs WEC: Correlation
How closely do Exelon (EXC) and WEC Energy Group (WEC) trade together? Their weekly returns over three years give a correlation of 0.77, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EXC and WEC?
On 3 years of weekly data the EXC/WEC correlation comes out at 0.77, strong. The relationship has been stable: the 1-year correlation (0.84) sits close to the 3-year figure. The 5-year figure is 0.77, and annualized covariance runs at 253.7 %².
In EXC's tracked universe of 41 assets, WEC sits right near the top at #3. Twelve-month performance is nearly a tie, at +1.7% for EXC and +2.1% for WEC. Stability stands out here, with the rolling one-year correlation confined to 0.66 through 0.85.
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.
EXC vs WEC: side by side
| EXC (Exelon) | WEC (WEC Energy Group) | |
|---|---|---|
| 1-year return | +1.7% | +2.1% |
| 5-year return | +48.1% | +32.7% |
| Volatility (ann.) | 19.4% | 16.9% |
| Beta vs S&P 500 | -0.05 | 0.02 |
| Max drawdown (3Y) | -18.9% | -11.6% |
| Market cap | $45.3B | $34.6B |
| P/E (trailing) | 16.3 | 20.6 |
| Dividend yield | 3.69% | 3.43% |
| Sector / category | Utilities | Utilities |
Year-by-year returns
| Year | EXC | WEC |
|---|---|---|
| 2022 | +8.3% | -0.5% |
| 2023 | -14.0% | -7.0% |
| 2024 | +9.2% | +16.1% |
| 2025 | +20.0% | +16.0% |
| 2026 | +2.7% | +3.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EXC and WEC good diversifiers for each other?
To a limited degree. At 0.77 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 EXC and WEC?
The EXC/WEC correlation stands at 0.77 on a 3-year window (1 year: 0.84, 5 years: 0.77), computed from weekly returns as of 2026-08-27.
Is WEC a good diversifier for EXC?
To a limited degree. At 0.77 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 0.77 mean?
A reading of 0.77 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: EXC correlations · WEC correlations
