ONEOKFRA:ONK +1.37%87 FCF Margin % is 0.73% as of Mar. 2026, which is 90% below its 10-year median of 7.45. GuruFocus rates FRA:ONK with a GF Score™ of 87/100 and a GF Value™ of €91.58 (Modestly Undervalued). The stock has 8 warning signs investors should review. Among 906 Oil & Gas companies, ONEOK ranks better than 59.82% on this metric.
FCF Margin % is calculated as Free Cash Flow divided by its Revenue. ONEOK's Free Cash Flow for the
three
months ended in Mar. 2026 was €61 Mil. ONEOK's Revenue for the
three
months ended in Mar. 2026 was €8,320 Mil. Therefore, ONEOK's FCF Margin % for the quarter that ended in Mar. 2026 was 0.73%.
The historical rank and industry rank for ONEOK's FCF Margin % or its related term are showing as below:
FRA:ONK'
s FCF Margin % Range Over the Past 10 Years
Min: -18.71 Med: 7.45 Max: 15.99
Current: 6.36
During the past 13 years, the highest FCF Margin % of ONEOK was 15.99%. The lowest was -18.71%. And the median was 7.45%.
FRA:ONK's FCF Margin % is ranked better than 59.82% of 906
companies
in the Oil & Gas industry
Industry Median: 3.285
vs FRA:ONK: 6.36
ONEOK FCF Margin % Related Terms
ONEOK FCF Margin % Historical Data
* Premium members only.
The historical data trend for ONEOK's FCF Margin % can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
FRA:ONK vs TRGP, MPLX, LNG: FCF Margin % Comparison
For the Oil & Gas Midstream subindustry, ONEOK's FCF Margin %, along with its competitors' market caps and FCF Margin % data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
ONEOK FCF Margin % vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, ONEOK's FCF Margin % distribution charts can be found below:
* The bar in red indicates where ONEOK's FCF Margin % falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
ONEOK (FRA:ONK) has a FCF Margin % of 0.73% as of Mar. 2026. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on ONEOK and its competitors. This is 90% below median its historical median of 7.45. According to the industry distribution chart, ONEOK ranks #364 out of 906 companies in the Oil & Gas industry, placing it in the top 40.2%.
Is ONEOK's FCF Margin % too high?
ONEOK's current FCF Margin % of 0.73% is 90% below median its 10-year median of 7.45. The Oil & Gas industry median FCF Margin % is 3.29. ONEOK's value of 0.73% is 77.8% below this industry median. Based on the distribution chart, ONEOK ranks #364 out of 906 companies in the Oil & Gas industry, which is above the industry midpoint. Overall, ONEOK has a GF Score™ of 87/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does ONEOK's FCF Margin % compare to TRGP and MPLX?
According to the Oil & Gas industry distribution chart, ONEOK ranks #364 out of 906 companies for FCF Margin %. This puts ONEOK in the upper half of its industry. The industry median FCF Margin % is 3.29. ONEOK's value of 0.73% is 77.8% below this benchmark. While the company's 10-year median is 7.45 vs. the industry median of 3.29, ONEOK has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for an Oil & Gas company?
The median FCF Margin % among Oil & Gas companies is 3.29, based on 906 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. ONEOK's current FCF Margin % of 0.73% is 77.8% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on ONEOK and its competitors. For the Oil & Gas industry, the median FCF Margin % is 3.29 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ONEOK's current FCF Margin % is 0.73%, which is 90% below median its own 10-year median of 7.45. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ONEOK stock overvalued right now?
Based on GuruFocus' analysis, ONEOK (FRA:ONK) is currently considered Modestly Undervalued. The stock's GF Value™ is €91.58, compared to a current price of €78.18 — trading 14.6% below its estimated fair value. The current FCF Margin % is 0.73%, which is 90% below median its 10-year median of 7.45 and 77.8% below the Oil & Gas industry median of 3.29. ONEOK's overall GF Score™ is 87/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For ONEOK (FRA:ONK), the current FCF Margin % is 0.73% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is ONEOK (FRA:ONK) Overvalued in 2026?
Based on GuruFocus' analysis, ONEOK stock appears to be undervalued.
The current stock price of €78.18 is trading 14.6% below its estimated GF Value™ of €91.58.
GuruFocus considers ONEOK to be Modestly Undervalued.
Key valuation signals for FRA:ONK:
FCF Margin %: 0.73% (90% below median its 10-year median of 7.45)
GF Value™: €91.58 vs. price of €78.18 (14.6% below fair value)
Industry Position: 77.8% below the Oil & Gas median (#364 of 906)
No single metric tells the full story. See the FRA:ONK stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Oneok is a diversified midstream service provider specializing in natural gas gathering, processing, storage, and transportation, as well as natural gas liquids transportation and fractionation. It also operates in the refined product and crude oil segment, connecting producers, refiners, and consumers. Operations are in the midcontinent, Permian, and Rocky Mountain regions.
87GF Score
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FCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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