Occidental Petroleum (FRA:OPC) Market Cap: €43,765 Mil (As of Jun. 28, 2026)


FRA:OPC Occidental Petroleum Corp FRA:OPC
58 GF Score
Price €44.56
GF Value €40.30
Valuation Modestly Overvalued
! 2 Warning Signs
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What is Occidental Petroleum Market Cap?

Occidental Petroleum FRA:OPC -1.09% 58 Market Cap is €43,765 Mil as of Jun. 28, 2026. GuruFocus rates FRA:OPC with a GF Score™ of 58/100 and a GF Value™ of €40.30 (Modestly Overvalued). The stock has 2 warning signs investors should review. Among 1,043 Oil & Gas companies, Occidental Petroleum ranks better than 96.64% 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). Occidental Petroleum's share price for the quarter that ended in Mar. 2026 was €55.35. Occidental Petroleum's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 991 Mil. Therefore, Occidental Petroleum's market cap for the quarter that ended in Mar. 2026 was €54,863 Mil.

Occidental Petroleum's quarterly market cap declined from Sep. 2025 (€39,146 Mil) to Dec. 2025 (€34,082 Mil) but then increased from Dec. 2025 (€34,082 Mil) to Mar. 2026 (€54,863 Mil).

Occidental Petroleum's annual market cap declined from Dec. 2023 (€47,755 Mil) to Dec. 2024 (€44,004 Mil) and declined from Dec. 2024 (€44,004 Mil) to Dec. 2025 (€34,082 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. Occidental Petroleum's Enterprise Value for Today is €62,868 Mil.


Occidental Petroleum  (FRA:OPC) 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.


Occidental Petroleum Market Cap Related Terms


Occidental Petroleum Market Cap Historical Data

* Premium members only.

The historical data trend for Occidental Petroleum'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.

Occidental Petroleum Market Cap Chart

Occidental Petroleum 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 24,043.09 52,497.77 47,754.84 44,004.30 34,081.99

Occidental Petroleum Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 43,221.25 35,512.81 39,145.93 34,081.99 54,862.53

FRA:OPC vs FANG, DVN, EOG: Market Cap Comparison

For the Oil & Gas E&P subindustry, Occidental Petroleum'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.


Occidental Petroleum Market Cap vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Occidental Petroleum's Market Cap distribution charts can be found below:

* The bar in red indicates where Occidental Petroleum's Market Cap falls into.


FRA:OPC
58GF Score
Occidental Petroleum Corp FRA:OPC
Market Cap is just one metric. See GF Score™, valuation, warning signs, and more.
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Occidental Petroleum 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.

Occidental Petroleum'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 )
=€34.565*986.026
=€34,082

Occidental Petroleum's Market Cap for the quarter that ended in Mar. 2026 is calculated as

Market Cap (Q: Mar. 2026 )=Share Price (Q: Mar. 2026 )*Shares Outstanding (EOP) (Q: Mar. 2026 )
=€55.35*991.193
=€54,863

* 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 €43,765 Mil mean?
Occidental Petroleum (FRA:OPC) has a Market Cap of €43,765 Mil as of Jun. 28, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Occidental Petroleum and its competitors. According to the industry distribution chart, Occidental Petroleum ranks #35 out of 1043 companies in the Oil & Gas industry, placing it in the top 3.4%.
Is Occidental Petroleum's Market Cap too high?
Occidental Petroleum's current Market Cap is €43,765 Mil. Based on the distribution chart, Occidental Petroleum ranks #35 out of 1043 companies in the Oil & Gas industry, which is in the top quartile — a strong position relative to peers. Overall, Occidental Petroleum has a GF Score™ of 58/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Occidental Petroleum's Market Cap compare to FANG and DVN?
According to the Oil & Gas industry distribution chart, Occidental Petroleum ranks #35 out of 1043 companies for Market Cap. This places Occidental Petroleum in the top 3% of its industry — outperforming the majority of peers. The industry median Market Cap is 206.34. 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 Oil & Gas company?
The median Market Cap among Oil & Gas companies is 206.34, based on 1,043 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 Occidental Petroleum and its competitors. For the Oil & Gas industry, the median Market Cap is 206.34 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Occidental Petroleum's current Market Cap is €43,765 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Occidental Petroleum stock overvalued right now?
Based on GuruFocus' analysis, Occidental Petroleum (FRA:OPC) is currently considered Modestly Overvalued. The stock's GF Value™ is €40.30, compared to a current price of €44.56 — trading 10.6% above its estimated fair value. The current Market Cap is €43,765 Mil. Occidental Petroleum's overall GF Score™ is 58/100 with 2 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 Occidental Petroleum (FRA:OPC), the current Market Cap is €43,765 Mil as of Jun. 28, 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 Occidental Petroleum (FRA:OPC) Overvalued in 2026?

Based on GuruFocus' analysis, Occidental Petroleum stock appears to be overvalued. The current stock price of €44.56 is trading 10.6% above its estimated GF Value™ of €40.30. GuruFocus considers Occidental Petroleum to be Modestly Overvalued.

Key valuation signals for FRA:OPC:

  • Market Cap: €43,765 Mil
  • GF Value™: €40.30 vs. price of €44.56 (10.6% above fair value)
  • GF Score™: 58/100 with 2 warning signs

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


Occidental Petroleum Business Description

Industry EnergyOil & Gas
Address 5 Greenway Plaza, Suite 110, Houston, TX, USA, 77046
Occidental Petroleum is an independent exploration and production company with operations in the United States, Latin America, and the Middle East. At the end of 2025, the company reported net proved reserves of 4.6 billion barrels of oil equivalent. Net production averaged 1.4 million barrels of oil equivalent per day in 2025 at a ratio of roughly 74% oil and natural gas liquids and 26% natural gas.
58GF Score

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

€44.56
Price
€40.30
GF Value