AEP vs DTE: Correlation
How closely do American Electric Power (AEP) and DTE Energy (DTE) trade together? Their weekly returns over three years give a correlation of 0.74, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AEP and DTE?
On 3 years of weekly data the AEP/DTE correlation comes out at 0.74, strong. Recent behaviour matches the longer record: 0.80 over 1 year against 0.74 over 3. The 5-year figure is 0.81, and annualized covariance runs at 240.1 %².
By 3-year correlation, DTE places #9 of the 36 assets tracked against AEP. On 12-month performance AEP holds a 10.4-point edge, +12.1% against +1.7%. On a rolling one-year basis the correlation drifted between 0.40 and 0.86, a moderate band.
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 DTE: side by side
| AEP (American Electric Power) | DTE (DTE Energy) | |
|---|---|---|
| 1-year return | +12.1% | +1.7% |
| 5-year return | +63.9% | +33.3% |
| Volatility (ann.) | 18.9% | 17.1% |
| Beta vs S&P 500 | -0.01 | 0.07 |
| Max drawdown (3Y) | -13.1% | -12.4% |
| Market cap | $66.8B | $28.3B |
| P/E (trailing) | 21.4 | 21.8 |
| Dividend yield | 3.06% | 3.39% |
| Sector / category | Utilities | Utilities |
Year-by-year returns
| Year | AEP | DTE |
|---|---|---|
| 2022 | +10.4% | +1.2% |
| 2023 | -11.0% | -2.8% |
| 2024 | +18.2% | +13.5% |
| 2025 | +29.4% | +10.4% |
| 2026 | +8.9% | +7.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AEP and DTE good diversifiers for each other?
Only partially. A correlation of 0.74 means AEP and DTE 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 DTE?
The AEP/DTE correlation stands at 0.74 on a 3-year window (1 year: 0.80, 5 years: 0.81), computed from weekly returns as of 2026-08-27.
Is DTE a good diversifier for AEP?
Only partially. A correlation of 0.74 means AEP and DTE 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?
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/aep-vs-dte.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/aep-vs-dte/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AEP correlations · DTE correlations
