Oneok
Market cap
$55.397 B
$87.88 +0.83%
Close of 5 Oct 2026
As of 5 Oct 2026, Oneok (OKE) has a market capitalization of $55.4B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.
Revenue
$33.6B
#130 by revenue
Earnings
$3.39B
#145 by earnings
Shares outstanding
630,369,667
Latest filing cover page
P/E ratio
16.3
Cap ÷ net income
Oil & Gas Production, ranked by market cap
All 116 →- #7Cenovus EnergyCVE$60.8B
- #8Occidental PetroleumOXY$58.1B
- #9OneokOKE$55.4B
- #10Devon EnergyDVN$52.4B
- #11Diamondback EnergyFANG$51.7B
What if Oneok were worth as much as…
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Share counts and financials for Oneok are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 6 Oct 2026. Read the methodology.