AEP vs EXC: Correlation
American Electric Power (AEP) and Exelon (EXC) show a strong relationship: their 3-year correlation of weekly returns is 0.69.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AEP and EXC?
On 3 years of weekly data the AEP/EXC correlation comes out at 0.69, strong. The past 12 months show a tighter link (0.80) than the 3-year average (0.69). The 5-year figure is 0.73, and annualized covariance runs at 253.1 %².
By 3-year correlation, EXC places #15 of the 36 assets tracked against AEP. The trailing year gives AEP the advantage: +12.1% versus +1.7%, a 10.4-point spread. Across three years, the rolling one-year figure varied moderately, from 0.51 to 0.82.
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.
AEP vs EXC: side by side
| AEP (American Electric Power) | EXC (Exelon) | |
|---|---|---|
| 1-year return | +12.1% | +1.7% |
| 5-year return | +63.9% | +48.1% |
| Volatility (ann.) | 18.9% | 19.4% |
| Beta vs S&P 500 | -0.01 | -0.05 |
| Max drawdown (3Y) | -13.1% | -18.9% |
| Market cap | $66.8B | $45.3B |
| P/E (trailing) | 21.4 | 16.3 |
| Dividend yield | 3.06% | 3.69% |
| Sector / category | Utilities | Utilities |
Year-by-year returns
| Year | AEP | EXC |
|---|---|---|
| 2022 | +10.4% | +8.3% |
| 2023 | -11.0% | -14.0% |
| 2024 | +18.2% | +9.2% |
| 2025 | +29.4% | +20.0% |
| 2026 | +8.9% | +2.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AEP and EXC good diversifiers for each other?
Only partially. A correlation of 0.69 means AEP 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 AEP and EXC?
Using weekly returns as of 2026-08-27: 0.69 over 3 years, with 0.80 over the last year and 0.73 over 5 years.
Is EXC a good diversifier for AEP?
Only partially. A correlation of 0.69 means AEP 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 0.69 mean?
A reading of 0.69 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/aep-vs-exc.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/aep-vs-exc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AEP correlations · EXC correlations
