OGE Energy (STU:OG5) Market Cap: €8,506 Mil (As of Aug. 05, 2026)

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STU:OG5 OGE Energy Corp STU:OG5
79 GF Score
Price €40.60
GF Value €38.97
! 11 Warning Signs
View Full Analysis

What is OGE Energy Market Cap?

OGE Energy STU:OG5 -0.49% 79 Market Cap is €8,506 Mil as of Aug. 05, 2026. GuruFocus rates STU:OG5 with a GF Score™ of 79/100 and a GF Value™ of €38.97. The stock has 11 warning signs investors should review. Among 512 Utilities - Regulated companies, OGE Energy ranks better than 85.16% 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). OGE Energy's share price for the quarter that ended in Jun. 2026 was €42.2. OGE Energy's Shares Outstanding (EOP) for the quarter that ended in Jun. 2026 was 207 Mil. Therefore, OGE Energy's market cap for the quarter that ended in Jun. 2026 was €8,718 Mil.

OGE Energy's quarterly market cap increased from Dec. 2025 (€7,421 Mil) to Mar. 2026 (€8,420 Mil) and increased from Mar. 2026 (€8,420 Mil) to Jun. 2026 (€8,718 Mil).

OGE Energy's annual market cap increased from Dec. 2023 (€6,249 Mil) to Dec. 2024 (€7,877 Mil) but then declined from Dec. 2024 (€7,877 Mil) to Dec. 2025 (€7,421 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. OGE Energy's Enterprise Value for Today is €13,584 Mil.


OGE Energy  (STU:OG5) 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 company’s 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.


OGE Energy Market Cap Related Terms


OGE Energy Market Cap Historical Data

* Premium members only.

The historical data trend for OGE Energy'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.

OGE Energy Market Cap Chart

OGE Energy Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Market Cap
Get a 7-Day Free Trial Premium Member Only Premium Member Only 6,603.30 7,487.48 6,249.36 7,877.16 7,420.90

OGE Energy Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Market Cap Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 7,491.89 7,816.65 7,420.90 8,420.06 8,717.72

STU:OG5 vs IDA, PNW, TXNM: Market Cap Comparison

For the Utilities - Regulated Electric subindustry, OGE Energy'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.


OGE Energy Market Cap vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, OGE Energy's Market Cap distribution charts can be found below:

* The bar in red indicates where OGE Energy's Market Cap falls into.


STU:OG5
79GF Score
OGE Energy Corp STU:OG5
Market Cap is just one metric. See GF Score™, valuation, warning signs, and more.
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OGE Energy Market Cap Calculation

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.

OGE Energy's Market Cap for the fiscal year that ended in Dec. 2025 is calculated as

Market Cap (A: Dec. 2025 )=Share Price (A: Dec. 2025 )*Shares Outstanding (EOP) (A: Dec. 2025 )
=€36*206.136
=€7,421

OGE Energy's Market Cap for the quarter that ended in Jun. 2026 is calculated as

Market Cap (Q: Jun. 2026 )=Share Price (Q: Jun. 2026 )*Shares Outstanding (EOP) (Q: Jun. 2026 )
=€42.2*206.581
=€8,718

* 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.

Frequently Asked Questions Learn more about Market Cap →
What does a Market Cap of €8,506 Mil mean?
OGE Energy (STU:OG5) has a Market Cap of €8,506 Mil as of Aug. 05, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on OGE Energy and its competitors. According to the industry distribution chart, OGE Energy ranks #76 out of 512 companies in the Utilities - Regulated industry, placing it in the top 14.8%.
Is OGE Energy's Market Cap too high?
OGE Energy's current Market Cap is €8,506 Mil. Based on the distribution chart, OGE Energy ranks #76 out of 512 companies in the Utilities - Regulated industry, which is in the top quartile — a strong position relative to peers. Overall, OGE Energy has a GF Score™ of 79/100, reflecting its overall financial health beyond just this single metric.
How does OGE Energy's Market Cap compare to IDA and PNW?
According to the Utilities - Regulated industry distribution chart, OGE Energy ranks #76 out of 512 companies for Market Cap. This places OGE Energy in the top 15% of its industry — outperforming the majority of peers. The industry median Market Cap is 912.60. 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 912.60, based on 512 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 OGE Energy and its competitors. For the Utilities - Regulated industry, the median Market Cap is 912.60 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. OGE Energy's current Market Cap is €8,506 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is OGE Energy stock overvalued right now?
OGE Energy (STU:OG5) has a current Market Cap of €8,506 Mil. The stock's GF Value™ is €38.97, compared to a current price of €40.60 — trading 4.2% above its estimated fair value. The current Market Cap is €8,506 Mil. OGE Energy's overall GF Score™ is 79/100 with 11 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 OGE Energy (STU:OG5), the current Market Cap is €8,506 Mil as of Aug. 05, 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 OGE Energy (STU:OG5) Overvalued in 2026?

Based on GuruFocus' analysis, OGE Energy stock appears to be overvalued. The current stock price of €40.60 is trading 4.2% above its estimated GF Value™ of €38.97.

Key valuation signals for STU:OG5:

  • Market Cap: €8,506 Mil
  • GF Value™: €38.97 vs. price of €40.60 (4.2% above fair value)
  • GF Score™: 79/100 with 11 warning signs

No single metric tells the full story. See the STU:OG5 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


OGE Energy Business Description

Other Exchanges OGE:USA
Address 321 North Harvey, P.O. Box 321, Oklahoma, OK, USA, 73101-0321
OGE Energy is a holding company for Oklahoma Gas & Electric, a regulated utility with electricity generation, transmission, and distribution service for 900,000 customers in Oklahoma and western Arkansas. In December 2021, OGE divested its 25.5% stake in Enable Midstream Partners, an oil and gas services company it created in 2013 through a unit exchange merger with Energy Transfer. OGE sold its 95.4 million limited partner units of Energy Transfer throughout 2022. OGE sold its retail gas business in 1928 and no longer has any gas operations.
79GF Score

Get the complete analysis for STU:OG5

Market Cap is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€40.60
Price
€38.97
GF Value