ONEOK Inc
ONEOK, Inc. operates as a midstream service provider of gathering, processing, fractionation, transportation, storage, and marine export services in the United States. It operates in four segments: Natural Gas Gathering and Processing; Natural Gas Liquids; Natural Gas Pipelines; and Refined Products and Crude. The company owns natural gas gathering pipelines and processing plants in the Mid-Conti… Read more
Market Cap & Net Worth: ONEOK Inc (OKE)
ONEOK Inc (NYSE:OKE) has a market capitalization of $54.47 Billion ($54.47 Billion) as of March 18, 2026. Listed on the NYSE stock exchange, this USA-based company holds position #403 globally and #320 in its home market, demonstrating a 0.70% increase in market value over the past year.
Market capitalization, also known as net worth in stock markets, is calculated by multiplying ONEOK Inc's stock price $86.56 by its total outstanding shares 629231557 (629.23 Million).
ONEOK Inc Market Cap History: 2015 to 2026
ONEOK Inc's market capitalization history from 2015 to 2026. Data shows growth from $8.74 Billion to $54.47 Billion (14.46% CAGR).
Index Memberships
ONEOK Inc is a constituent of 2 market indices:
| Index | Total Market Cap | Weight (%) | Rank by Market Cap |
|---|---|---|---|
|
Dow Jones Oil & Gas
DJUSEN
|
$2.10 Trillion | 2.59% | #11 of 77 |
|
S&P 500 Index
GSPC
|
$53.17 Trillion | 0.11% | #182 of 503 |
Weight: ONEOK Inc's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.
ONEOK Inc Market Cap to Earnings & Revenue Ratios Timeline
This chart shows how ONEOK Inc's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance.
Latest Price to Sales (P/S) Ratio
2.92x
ONEOK Inc's market cap is 2.92 times its annual revenue
3.43x
Lower than industry averageLatest Price to Earnings (P/E) Ratio
20.82x
ONEOK Inc's market cap is 20.82 times its annual earnings
15.81x
Higher than industry averageWhat These Ratios Tell Investors:
- Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
- Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
- Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
- Industry comparison provides context for whether the company is valued higher or lower than peers.
| Year | Market Cap (USD) | Revenue (USD) | Net Income (USD) | P/S Ratio | P/E Ratio |
|---|---|---|---|---|---|
| 2015 | $8.74 Billion | $7.68 Billion | $244.98 Million | 1.14x | 35.68x |
| 2016 | $21.82 Billion | $8.89 Billion | $352.04 Million | 2.45x | 61.97x |
| 2017 | $21.36 Billion | $12.24 Billion | $387.84 Million | 1.74x | 55.06x |
| 2018 | $22.69 Billion | $12.62 Billion | $1.15 Billion | 1.80x | 19.71x |
| 2019 | $33.53 Billion | $10.11 Billion | $1.28 Billion | 3.32x | 26.23x |
| 2020 | $18.98 Billion | $8.46 Billion | $612.81 Million | 2.24x | 30.96x |
| 2021 | $31.26 Billion | $17.27 Billion | $1.50 Billion | 1.81x | 20.84x |
| 2022 | $37.17 Billion | $22.87 Billion | $1.72 Billion | 1.63x | 21.58x |
| 2023 | $42.09 Billion | $17.68 Billion | $2.66 Billion | 2.38x | 15.83x |
| 2024 | $63.17 Billion | $21.64 Billion | $3.04 Billion | 2.92x | 20.82x |
Competitor Companies of OKE by Market Capitalization
Companies near ONEOK Inc in the global market cap rankings as of March 18, 2026.
Key companies related to ONEOK Inc by market ranking:
- Enbridge Inc (NYSE:ENB): Ranked #159 globally with a market cap of $117.74 Billion USD.
- Williams Companies Inc (NYSE:WMB): Ranked #231 globally with a market cap of $88.33 Billion USD.
- The Williams Companies, Inc. (SA:W1MB34): Ranked #286 globally with a market cap of $74.15 Billion USD ( R$451.57 Billion BRL).
- Kinder Morgan Inc (NYSE:KMI): Ranked #340 globally with a market cap of $64.50 Billion USD.
| Rank | Company | Symbol | Market Cap | Price |
|---|---|---|---|---|
| #159 | Enbridge Inc | NYSE:ENB | $117.74 Billion | $54.05 |
| #231 | Williams Companies Inc | NYSE:WMB | $88.33 Billion | $73.69 |
| #286 | The Williams Companies, Inc. | SA:W1MB34 | $74.15 Billion | R$371.65 |
| #340 | Kinder Morgan Inc | NYSE:KMI | $64.50 Billion | $33.27 |
ONEOK Inc Historical Marketcap From 2015 to 2026
Between 2015 and today, ONEOK Inc's market cap moved from $8.74 Billion to $ 54.47 Billion, with a yearly change of 14.46%.
| Year | Market Cap | Change (%) |
|---|---|---|
| 2026 | $54.47 Billion | +17.77% |
| 2025 | $46.25 Billion | -26.79% |
| 2024 | $63.17 Billion | +50.10% |
| 2023 | $42.09 Billion | +13.24% |
| 2022 | $37.17 Billion | +18.90% |
| 2021 | $31.26 Billion | +64.74% |
| 2020 | $18.98 Billion | -43.41% |
| 2019 | $33.53 Billion | +47.76% |
| 2018 | $22.69 Billion | +6.27% |
| 2017 | $21.36 Billion | -2.11% |
| 2016 | $21.82 Billion | +149.62% |
| 2015 | $8.74 Billion | -- |
End of Day Market Cap According to Different Sources
On Mar 18th, 2026 the market cap of ONEOK Inc was reported to be:
| Source | Market Cap |
|---|---|
| Yahoo Finance | $54.47 Billion USD |
| MoneyControl | $54.47 Billion USD |
| MarketWatch | $54.47 Billion USD |
| marketcap.company | $54.47 Billion USD |
| Reuters | $54.47 Billion USD |
Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.