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DUK vs OGE: Correlation

How closely do Duke Energy (DUK) and OGE Energy Corp (OGE) trade together? Their weekly returns over three years give a correlation of 0.78, which is strong.

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

Correlation (3Y)
0.78
strong
Correlation (1Y)
0.88
last 12 months
Correlation (5Y)
0.83
long-run
Ann. covariance
218.3
%² · weekly, annualized

How correlated are DUK and OGE?

Across a 3-year window, the weekly returns of DUK and OGE correlate at 0.78, strong. Little has changed lately, as the 1-year reading of 0.88 lands near the 3-year figure. Stretching to 5 years gives 0.83, with an annualized covariance of 218.3 %².

By 3-year correlation, OGE places #7 of the 53 assets tracked against DUK. Their 12-month results are close: +1.1% for DUK against +5.5% for OGE.

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.

DUK vs OGE: side by side

DUK (Duke Energy)OGE (OGE Energy Corp)
1-year return+1.1%+5.5%
5-year return+39.8%+60.6%
Volatility (ann.)15.9%17.6%
Beta vs S&P 500-0.090.20
Max drawdown (3Y)-11.6%-11.3%
Market cap$94.2B$9.5B
P/E (trailing)18.320.4
Dividend yield3.49%3.64%
Sector / categoryUtilitiesUS Listed
Lower P/E: DUK 18.3 vs 20.4Higher yield: OGE 3.64% vs 3.49%Smaller drawdown: OGE -11.3% vs -11.6%Higher 5y return: OGE +60.6% vs +39.8%
-4%0%+17%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. DUK · OGE

Year-by-year returns

YearDUKOGE
2022+2.0%+7.6%
2023-1.6%-7.5%
2024+15.6%+23.7%
2025+12.7%+7.6%
2026+5.8%+10.8%

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

Are DUK and OGE good diversifiers for each other?

Only partially. A correlation of 0.78 means DUK and OGE 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 DUK and OGE?

As of 2026-08-27, the correlation of weekly returns between DUK and OGE is 0.78 over 3 years, 0.88 over 1 year and 0.83 over 5 years.

Is OGE a good diversifier for DUK?

Only partially. A correlation of 0.78 means DUK and OGE share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.78 mean?

A reading of 0.78 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/duk-vs-oge.json

DUK vs OGE: 3-year weekly correlation 0.78DUK vs OGE0.78

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Related comparisons

Hubs: DUK correlations · OGE correlations