ONE GasFRA:OG9 79 Market Cap is €4,400 Mil as of Jun. 27, 2026. GuruFocus rates FRA:OG9 with a GF Score™ of 79/100 and a GF Value™ of €62.01. The stock has 4 warning signs investors should review. Among 513 Utilities - Regulated companies, ONE Gas ranks better than 77.58% on this metric.
Market cap is the total market value to buy the whole company. It is equal to the share price times the number of Shares Outstanding (EOP). ONE Gas's share price for the quarter that ended in Mar. 2026 was €73.5. ONE Gas's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 63 Mil. Therefore, ONE Gas's market cap for the quarter that ended in Mar. 2026 was €4,613 Mil.
ONE Gas's quarterly market cap
declined
from Sep. 2025 (€4,110 Mil) to Dec. 2025 (€4,106 Mil) but then
increased
from Dec. 2025 (€4,106 Mil) to Mar. 2026 (€4,613 Mil).
ONE Gas's annual market cap
increased
from Dec. 2023 (€3,280 Mil) to Dec. 2024 (€3,982 Mil) and
increased
from Dec. 2024 (€3,982 Mil) to Dec. 2025 (€4,106 Mil).
Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. ONE Gas's Enterprise Value for Today is €7,366 Mil.
ONE Gas (FRA:OG9) Market Cap Explanation
Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the companys debt. The real price you pay is the Enterprise Value.
Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.
ONE Gas Market Cap Related Terms
ONE Gas Market Cap Historical Data
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The historical data trend for ONE Gas's Market Cap 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.
For the Utilities - Regulated Gas subindustry, ONE Gas's Market Cap, along with its competitors' market caps and Market Cap 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.
ONE Gas Market Cap vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, ONE Gas's Market Cap distribution charts can be found below:
* The bar in red indicates where ONE Gas's Market Cap falls into.
Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.
ONE Gas's Market Cap for the fiscal year that ended in Dec. 2025 is calculated as
* 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.
ONE Gas (FRA:OG9) has a Market Cap of €4,400 Mil as of Jun. 27, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on ONE Gas and its competitors. According to the industry distribution chart, ONE Gas ranks #115 out of 513 companies in the Utilities - Regulated industry, placing it in the top 22.4%.
Is ONE Gas' Market Cap too high?
ONE Gas' current Market Cap is €4,400 Mil. Based on the distribution chart, ONE Gas ranks #115 out of 513 companies in the Utilities - Regulated industry, which is in the top quartile — a strong position relative to peers. Overall, ONE Gas has a GF Score™ of 79/100, reflecting its overall financial health beyond just this single metric.
How does ONE Gas' Market Cap compare to SR and MDU?
According to the Utilities - Regulated industry distribution chart, ONE Gas ranks #115 out of 513 companies for Market Cap. This places ONE Gas in the top 22% of its industry — outperforming the majority of peers. The industry median Market Cap is 918.37. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Market Cap for an Utilities - Regulated company?
The median Market Cap among Utilities - Regulated companies is 918.37, based on 513 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on ONE Gas and its competitors. For the Utilities - Regulated industry, the median Market Cap is 918.37 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ONE Gas's current Market Cap is €4,400 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ONE Gas stock overvalued right now?
ONE Gas (FRA:OG9) has a current Market Cap of €4,400 Mil. The stock's GF Value™ is €62.01, compared to a current price of €68.00 — trading 9.7% above its estimated fair value. The current Market Cap is €4,400 Mil. ONE Gas' overall GF Score™ is 79/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Market Cap calculated?
Market Cap is calculated from a company's financial statements. For ONE Gas (FRA:OG9), the current Market Cap is €4,400 Mil as of Jun. 27, 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 ONE Gas (FRA:OG9) Overvalued in 2026?
Based on GuruFocus' analysis, ONE Gas stock appears to be overvalued.
The current stock price of €68.00 is trading 9.7% above its estimated GF Value™ of €62.01.
Key valuation signals for FRA:OG9:
Market Cap: €4,400 Mil
GF Value™: €62.01 vs. price of €68.00 (9.7% above fair value)
No single metric tells the full story. See the FRA:OG9 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
ONE Gas Inc is a regulated natural gas utility company. It is involved in the distribution and sale of natural gas to residential, commercial, industrial, and transportation consumers through its network of pipelines and service lines. Almost all of the company's revenue is derived from natural gas sales in the states of Oklahoma, Kansas, and Texas. It operates in one reportable business segment: regulated public utilities that deliver natural gas to residential, commercial, and transportation customers.
79GF Score
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