Inpex (MEX:1605N) Beta: N/A (As of Aug. 09, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
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Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

MEX:1605N Inpex Corp MEX:1605N
80 GF Score
Price MXN416.80
GF Value MXN259.47
! 3 Warning Signs
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What is Inpex Beta?

Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. As of today (2026-08-09), Inpex's Beta is Not available.

Inpex  (MEX:1605N) Beta Explanation

Beta is a measure of the volatility, or systematic risk, of a security or a portfolio in comparison to the market as a whole. We usually compare beta to 1. A beta of 1 indicates that the security's price will move with the market. A beta of less than 1 means that the security will be less volatile than the market. A beta of greater than 1 indicates that the security's price will be more volatile than the market.

Beta is primarily used in the Capital Asset Pricing Model (CAPM) to calculate the Cost of Equity, which can be used in the calculation of WACC %. The formula of Cost of Equity is:
Cost of Equity = Risk-Free Rate of Return + Beta of Asset * (Expected Return of the Market - Risk-Free Rate of Return)

Inpex Beta Related Terms

Inpex Beta Historical Data

* Premium members only.

The historical data trend for Inpex's Beta 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.

Inpex Beta Chart

Inpex Annual Data
Trend Mar16 Mar17 Mar18 Mar19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Beta
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Inpex Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Beta 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 0.00 0.00 0.00 0.00 0.00
MEX:1605N
80GF Score
Inpex Corp MEX:1605N
Beta is just one metric. See GF Score™, valuation, warning signs, and more.
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Inpex Beta Calculation

Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. A stock's beta can be calculated by dividing the product of the covariance of the individual stock's returns and the market's returns by the variance of the market's returns over a specified period. Basically, GuruFocus uses the returns calculated over three-year period.

Is Inpex (MEX:1605N) Overvalued in 2026?

Based on GuruFocus' analysis, Inpex stock appears to be overvalued. The current stock price of MXN416.80 is trading 60.6% above its estimated GF Value™ of MXN259.47.

Key valuation signals for MEX:1605N:

  • Beta: N/A
  • GF Value™: MXN259.47 vs. price of MXN416.80 (60.6% above fair value)
  • GF Score™: 80/100 with 3 warning signs

No single metric tells the full story. See the MEX:1605N stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Inpex Business Description

Industry EnergyOil & Gas
Address 3-1 Akasaka 5-chome, Akasaka Biz Tower, Minato-ku, Tokyo, JPN, 107-6332
Headquartered in Tokyo, Inpex was founded in 2008 through a merger with Teikoku Oil. The precursor Inpex began life in 1966 as North Sumatra Offshore Petroleum Exploration and discovered the Attaka field in Indonesia in 1970 before acquiring the ADMA Block offshore the United Arab Emirates in 1973 and then discovering the Kashagan oilfield in Kazakhstan and Ichthys and Abadi gasfields in the Timor Sea in 2000. Teikoku Oil was founded in 1941 as a semigovernment entity and discovered Japan's largest natural gas reserves in Minami-Nagaoka in 1979. Inpex is Japan's largest hydrocarbon producer, with oil and gas projects across multiple continents. It produces around 230 million barrels of oil equivalent per year and has 6.2 billion barrels of oil equivalent in proven and probable reserves.
80GF Score

Get the complete analysis for MEX:1605N

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

MXN416.80
Price
MXN259.47
GF Value