ED vs EXC: Correlation
Consolidated Edison (ED) and Exelon (EXC) show a strong relationship: their 3-year correlation of weekly returns is 0.74.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ED and EXC?
Across a 3-year window, the weekly returns of ED and EXC correlate at 0.74, strong. Little has changed lately, as the 1-year reading of 0.82 lands near the 3-year figure. Stretching to 5 years gives 0.75, with an annualized covariance of 237.6 %².
By 3-year correlation, EXC places #6 of the 105 assets tracked against ED. On 12-month performance ED holds a 8.5-point edge, +10.2% against +1.7%. The rolling one-year correlation stayed in a tight band between 0.62 and 0.82 over the past three years, which points to a structural rather than episodic relationship.
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.
ED vs EXC: side by side
| ED (Consolidated Edison) | EXC (Exelon) | |
|---|---|---|
| 1-year return | +10.2% | +1.7% |
| 5-year return | +67.5% | +48.1% |
| Volatility (ann.) | 16.5% | 19.4% |
| Beta vs S&P 500 | -0.21 | -0.05 |
| Max drawdown (3Y) | -17.4% | -18.9% |
| Market cap | $39.5B | $45.3B |
| P/E (trailing) | 17.5 | 16.3 |
| Dividend yield | 3.22% | 3.69% |
| Sector / category | Utilities | Utilities |
Year-by-year returns
| Year | ED | EXC |
|---|---|---|
| 2022 | +15.7% | +8.3% |
| 2023 | -1.1% | -14.0% |
| 2024 | +1.5% | +9.2% |
| 2025 | +15.1% | +20.0% |
| 2026 | +10.1% | +2.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ED and EXC good diversifiers for each other?
Only partially. A correlation of 0.74 means ED and EXC share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between ED and EXC?
Using weekly returns as of 2026-08-27: 0.74 over 3 years, with 0.82 over the last year and 0.75 over 5 years.
Is EXC a good diversifier for ED?
Only partially. A correlation of 0.74 means ED and EXC share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.74 mean?
A reading of 0.74 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/ed-vs-exc.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ed-vs-exc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ED correlations · EXC correlations
