AEE vs CNP: Correlation
How closely do Ameren (AEE) and CenterPoint Energy (CNP) trade together? Their weekly returns over three years give a correlation of 0.64, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AEE and CNP?
Over the past 3 years, AEE and CNP moved with a correlation of 0.64, which is strong. Lately the two have moved closer together, with the 1-year correlation at 0.88 versus 0.64 over 3 years. Over 5 years the correlation is 0.77, and the annualized covariance of weekly returns is 195.9 %².
Within AEE's tracked universe of 35 assets, CNP comes in at #20 by 3-year correlation. Their 12-month results are close: +8.8% for AEE against +6.5% for CNP. Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from 0.28 to 0.92.
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.
AEE vs CNP: side by side
| AEE (Ameren) | CNP (CenterPoint Energy) | |
|---|---|---|
| 1-year return | +8.8% | +6.5% |
| 5-year return | +39.7% | +75.6% |
| Volatility (ann.) | 17.8% | 17.2% |
| Beta vs S&P 500 | 0.10 | 0.12 |
| Max drawdown (3Y) | -16.5% | -18.1% |
| Market cap | $29.6B | $25.9B |
| P/E (trailing) | 19.0 | 23.5 |
| Dividend yield | 2.71% | 2.27% |
| Sector / category | Utilities | Utilities |
Year-by-year returns
| Year | AEE | CNP |
|---|---|---|
| 2022 | +2.5% | +10.0% |
| 2023 | -16.1% | -2.1% |
| 2024 | +27.5% | +14.3% |
| 2025 | +15.3% | +23.7% |
| 2026 | +8.4% | +4.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AEE and CNP good diversifiers for each other?
To a limited degree. At 0.64 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 AEE and CNP?
As of 2026-08-27, the correlation of weekly returns between AEE and CNP is 0.64 over 3 years, 0.88 over 1 year and 0.77 over 5 years.
Is CNP a good diversifier for AEE?
To a limited degree. At 0.64 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 0.64 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/aee-vs-cnp.json
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Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: AEE correlations · CNP correlations
