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BKH vs OGE: Correlation

Measured on weekly returns over the past three years, Black Hills Corporation (BKH) and OGE Energy Corp (OGE) 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)
0.62
last 12 months
Correlation (5Y)
0.75
long-run
Ann. covariance
269.7
%² · weekly, annualized

How correlated are BKH and OGE?

Across a 3-year window, the weekly returns of BKH and OGE correlate at 0.72, strong. The relationship has been stable: the 1-year correlation (0.62) sits close to the 3-year figure. Stretching to 5 years gives 0.75, with an annualized covariance of 269.7 %².

In BKH's tracked universe of 13 assets, OGE sits right near the top at #3. Their recent paths diverged sharply: over the last 12 months BKH outperformed by 21.0 percentage points (+26.5% for BKH 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.

BKH vs OGE: side by side

BKH (Black Hills Corporation)OGE (OGE Energy Corp)
1-year return+26.5%+5.5%
5-year return+27.4%+60.6%
Volatility (ann.)21.5%17.6%
Beta vs S&P 5000.320.20
Max drawdown (3Y)-14.1%-11.3%
Market cap$5.6B$9.5B
P/E (trailing)18.520.4
Dividend yield3.74%3.64%
Sector / categoryUS ListedUS Listed
Lower P/E: BKH 18.5 vs 20.4Higher yield: BKH 3.74% vs 3.64%Smaller drawdown: OGE -11.3% vs -14.1%Higher 5y return: OGE +60.6% vs +27.4%
-3%0%+31%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BKH · OGE

Year-by-year returns

YearBKHOGE
2022+3.1%+7.6%
2023-19.9%-7.5%
2024+13.6%+23.7%
2025+23.9%+7.6%
2026+8.8%+10.8%

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

Are BKH and OGE good diversifiers for each other?

Somewhat, no more. With 0.72 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between BKH and OGE?

As of 2026-08-27, the correlation of weekly returns between BKH and OGE is 0.72 over 3 years, 0.62 over 1 year and 0.75 over 5 years.

Is OGE a good diversifier for BKH?

Somewhat, no more. With 0.72 correlation, most large moves hit both names, and the diversification benefit stays modest.

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/bkh-vs-oge.json

BKH vs OGE: 3-year weekly correlation 0.72BKH vs OGE0.72

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Related comparisons

Hubs: BKH correlations · OGE correlations