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KMI vs OKE: Correlation

Measured on weekly returns over the past three years, Kinder Morgan (KMI) and Oneok (OKE) carry a correlation of 0.76, a strong link.

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

Correlation (3Y)
0.76
strong
Correlation (1Y)
0.75
last 12 months
Correlation (5Y)
0.80
long-run
Ann. covariance
482.3
%² · weekly, annualized

How correlated are KMI and OKE?

Over the past 3 years, KMI and OKE moved with a correlation of 0.76, which is strong. Little has changed lately, as the 1-year reading of 0.75 lands near the 3-year figure. Over 5 years the correlation is 0.80, and the annualized covariance of weekly returns is 482.3 %².

Within KMI's tracked universe of 33 assets, OKE comes in at #4 by 3-year correlation. On 12-month performance OKE holds a 10.7-point edge, +22.3% against +33.0%. Across three years, the rolling one-year figure varied moderately, from 0.56 to 0.85.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last 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.

KMI vs OKE: side by side

KMI (Kinder Morgan)OKE (Oneok)
1-year return+22.3%+33.0%
5-year return+153.0%+134.0%
Volatility (ann.)22.1%28.7%
Beta vs S&P 5000.290.42
Max drawdown (3Y)-18.4%-42.2%
Market cap$70.2B$59.7B
P/E (trailing)20.616.4
Dividend yield3.69%4.47%
Sector / categoryEnergyEnergy
Lower P/E: OKE 16.4 vs 20.6Higher yield: OKE 4.47% vs 3.69%Smaller drawdown: KMI -18.4% vs -42.2%Higher 5y return: KMI +153.0% vs +134.0%
-8%0%+38%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. KMI · OKE

Year-by-year returns

YearKMIOKE
2022+21.2%+18.9%
2023+4.1%+13.2%
2024+64.4%+50.1%
2025+4.8%-22.9%
2026+18.0%+33.8%

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

Are KMI and OKE good diversifiers for each other?

Only partially. A correlation of 0.76 means KMI and OKE 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 KMI and OKE?

Using weekly returns as of 2026-08-27: 0.76 over 3 years, with 0.75 over the last year and 0.80 over 5 years.

Is OKE a good diversifier for KMI?

Only partially. A correlation of 0.76 means KMI and OKE share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.76 mean?

On the −1 to +1 scale, 0.76 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

Use this data

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

KMI vs OKE: 3-year weekly correlation 0.76KMI vs OKE0.76

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Related comparisons

Hubs: KMI correlations · OKE correlations