OKEQueued from the May 25, 2026 S&P 500 market-cap snapshot ranks 176-200.

ONEOK

ONEOK provides midstream energy services for natural gas, natural gas liquids, refined products, and crude oil.

Metadata

Where this company sits

Ticker
OKE
Rank snapshot
≈ 176
Sector
Energy
Industry
Oil & Gas Midstream
Region
United States
Index
S&P 500 · Top 200 by market cap

Metrics

Scoring view

Every metric is paired with a short rationale. The numbers are deliberate, not divine.

Moat

86.0/10

Large-scale midstream energy assets have durable barriers from rights-of-way, permitting, interconnections, storage, fractionation, processing capacity, and customer relationships.

Decentralizability

18.0/10

The company's main products are centralized physical infrastructure services, though open monitoring, distributed energy, and demand-side tools can decentralize adjacent coordination and accountability layers.

Profitability

82.0/10

ONEOK reported full-year 2025 net income attributable to ONEOK of approximately $3.39 billion, up year over year, indicating strong profitability for a capital-intensive midstream operator.

Price / Earnings

16.5x

StockAnalysis reported ONEOK's trailing P/E ratio at 16.54 in its current statistics page.

Market cap

$57.0B

CompaniesMarketCap reported ONEOK's market capitalization at approximately $56.98 billion in May 2026.

Freed-up capital potential

$0.0

Derived from market cap, moat resistance, decentralizability, and profitability. It is a directional estimate of value capture that could come under pressure if open alternatives compound.

Narrative

Why the company matters

A short editorial overview plus the current thesis on moat strength and decentralization pressure.

Business footprint

ONEOK is a U.S. midstream energy company with operating segments in natural gas liquids, refined products and crude oil, natural gas gathering and processing, and natural gas pipelines.

Its core role is not consumer-facing fuel retail but infrastructure coordination: gathering, processing, fractionating, transporting, storing, and distributing hydrocarbons between producers, processors, refiners, utilities, and end markets.

Strategic position

The company benefits from regulated and difficult-to-replicate pipeline corridors, processing assets, storage, fractionation capacity, producer relationships, and scale in hydrocarbon logistics.

Its exposure to the energy transition is indirect but material: lower long-run hydrocarbon demand, stricter methane accountability, and more distributed energy systems can reduce the strategic importance of centralized fossil-fuel midstream networks over time.

Moat reading

ONEOK's moat is high because midstream assets require rights-of-way, interconnections, permits, long-lived capital, operating expertise, and commercial relationships that are hard to reproduce quickly. Pipeline and fractionation infrastructure creates network effects around basin access and destination markets.

The moat is not absolute. Volumes depend on producer activity and end-market hydrocarbon demand, while acquisitions, regulatory scrutiny, environmental obligations, and commodity-linked activity cycles can shift returns.

Decentralization reading

ONEOK's core infrastructure is intrinsically centralized: large pipeline, processing, storage, and fractionation networks coordinate bulk commodity flows at industrial scale. Direct free or open-source replacement of these physical assets is not credible in the near term.

Decentralization pressure is more plausible at the margin: open methane monitoring, community and regulator visibility into emissions, distributed energy generation, demand-side flexibility, and local electrification can reduce dependence on fossil-fuel throughput and weaken the informational advantage of incumbent operators.

Products

Where the moat actually touches users

These pages zoom into the products and services that matter most to each company, the alternatives already nibbling at them, and 3 structured disruption concepts across the current product set.

3 disruption concepts tracked0 documented exceptions
Natural gas liquids transportation

Midstream energy infrastructure

2 concepts

ONEOK gathers, fractionates, treats, distributes, stores, and transports natural gas liquids through large-scale midstream infrastructure.

Open analysis
Natural gas gathering and processing

Midstream energy infrastructure

1 concept

ONEOK provides gathering and processing services that connect natural gas producers in multiple U.S. basins to downstream markets and related NGL value chains.

Open analysis

Technology waves

Strategic lenses

These are the repo's explicit bias terms: the technologies expected to keep making incumbents less inevitable over time.

Printable solar, localized wind, and home energy stacks

Cheaper distributed generation and better local energy management create more openings for community-scale infrastructure and self-custodied resilience.

  • Energy-related products should be viewed through interoperability and open-control surfaces.
  • Battery, charging, and home automation layers are increasingly separable from single-vendor stacks.
  • Incumbents that depend on closed energy ecosystems may look less inevitable over time.

Paper trail

Visible evidence trail

These sources shaped the scoring and writing. The site is opinionated, but it should not behave like it is improvising facts in a dark room.

ONEOK corporate website

ONEOK · product page

Describes ONEOK's operating segments, including natural gas liquids, refined products and crude, natural gas gathering and processing, and natural gas pipelines.

Reviewed 2026-06-01

ONEOK 2025 Annual Report

U.S. Securities and Exchange Commission · annual report

Primary annual filing source for business description, risk context, segments, and reported financials.

Reviewed 2026-06-01

ONEOK Market Capitalization

CompaniesMarketCap · market data

Market capitalization source used for the snapshot market cap metric.

Reviewed 2026-06-01

Free The World

Built as a research surface for tracking how AI, open source, Bitcoin rails, and distributed manufacturing steadily make legacy pricing models look like an elaborate historical accident.

Early-2026 public-source snapshot

Open source on GitHub

Commit e8cbfff ·