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DTE vs EXC: Correlation

Measured on weekly returns over the past three years, DTE Energy (DTE) and Exelon (EXC) carry a correlation of 0.72, a strong link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.72
strong
Correlation (1Y)
0.89
last 12 months
Correlation (5Y)
0.76
long-run
Ann. covariance
239.3
%² · weekly, annualized

How correlated are DTE and EXC?

Over the past 3 years, DTE and EXC moved with a correlation of 0.72, which is strong. The link has tightened recently: the 1-year correlation (0.89) runs above the 3-year figure (0.72). Over 5 years the correlation is 0.76, and the annualized covariance of weekly returns is 239.3 %².

By 3-year correlation, EXC places #15 of the 44 assets tracked against DTE. Their 12-month results are close: +1.7% for DTE against +1.7% for EXC. On a rolling one-year basis the correlation drifted between 0.58 and 0.88, a moderate band.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past three years.
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.

DTE vs EXC: side by side

DTE (DTE Energy)EXC (Exelon)
1-year return+1.7%+1.7%
5-year return+33.3%+48.1%
Volatility (ann.)17.1%19.4%
Beta vs S&P 5000.07-0.05
Max drawdown (3Y)-12.4%-18.9%
Market cap$28.3B$45.3B
P/E (trailing)21.816.3
Dividend yield3.39%3.69%
Sector / categoryUtilitiesUtilities
Lower P/E: EXC 16.3 vs 21.8Higher yield: EXC 3.69% vs 3.39%Smaller drawdown: DTE -12.4% vs -18.9%Higher 5y return: EXC +48.1% vs +33.3%
-5%0%+17%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. DTE · EXC

Year-by-year returns

YearDTEEXC
2022+1.2%+8.3%
2023-2.8%-14.0%
2024+13.5%+9.2%
2025+10.4%+20.0%
2026+7.3%+2.7%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are DTE and EXC good diversifiers for each other?

Only partially. A correlation of 0.72 means DTE 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 DTE and EXC?

Using weekly returns as of 2026-08-27: 0.72 over 3 years, with 0.89 over the last year and 0.76 over 5 years.

Is EXC a good diversifier for DTE?

Only partially. A correlation of 0.72 means DTE 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 0.72 mean?

A reading of 0.72 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/dte-vs-exc.json

DTE vs EXC: 3-year weekly correlation 0.72DTE vs EXC0.72

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Related comparisons

Hubs: DTE correlations · EXC correlations