InterOil Exploration and Production ASA (OSL:IOX) PB Ratio: (As of Jun. 28, 2026)


OSL:IOX InterOil Exploration and Production ASA OSL:IOX
28 GF Score
Price kr1.92
GF Value kr1.29
Valuation Significantly Overvalued
! 7 Warning Signs
View Full Analysis

What is InterOil Exploration and Production ASA PB Ratio?

The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-06-28), InterOil Exploration and Production ASA's share price is kr1.92. InterOil Exploration and Production ASA's Book Value per Share for the quarter that ended in Dec. 2025 was kr-30.74. Hence, InterOil Exploration and Production ASA's PB Ratio of today is .

The historical rank and industry rank for InterOil Exploration and Production ASA's PB Ratio or its related term are showing as below:

During the past 13 years, InterOil Exploration and Production ASA's highest PB Ratio was 11.85. The lowest was 3.13. And the median was 3.64.

OSL:IOX's PB Ratio is not ranked *
in the Oil & Gas industry.
Industry Median: 1.39
* Ranked among companies with meaningful PB Ratio only.

During the past 3 years, the average Book Value Per Share Growth Rate was -173.90% per year. During the past 5 years, the average Book Value Per Share Growth Rate was -73.30% per year.

During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of InterOil Exploration and Production ASA was 64.70% per year. The lowest was -173.90% per year. And the median was 21.35% per year.

Back to Basics: PB Ratio


InterOil Exploration and Production ASA  (OSL:IOX) PB Ratio Explanation

Unlike valuation ratios relative to the earning power such as PE Ratio, PE Ratio without NRI, PS Ratio, Price-to-Operating-Cash-Flow , or Price-to-Free-Cash-Flow, the PB Ratio measures the valuation of the stock relative to the underlying asset of the company.

The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.


Be Aware

Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.


InterOil Exploration and Production ASA PB Ratio Related Terms


InterOil Exploration and Production ASA PB Ratio Historical Data

* Premium members only.

The historical data trend for InterOil Exploration and Production ASA's PB Ratio 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.

InterOil Exploration and Production ASA PB Ratio Chart

InterOil Exploration and Production ASA Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
PB Ratio
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InterOil Exploration and Production ASA Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
PB Ratio 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

OSL:IOX vs COP, EOG, OXY: PB Ratio Comparison

For the Oil & Gas E&P subindustry, InterOil Exploration and Production ASA's PB Ratio, along with its competitors' market caps and PB Ratio 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.


InterOil Exploration and Production ASA PB Ratio vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, InterOil Exploration and Production ASA's PB Ratio distribution charts can be found below:

* The bar in red indicates where InterOil Exploration and Production ASA's PB Ratio falls into.


OSL:IOX
28GF Score
InterOil Exploration and Production ASA OSL:IOX
PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

InterOil Exploration and Production ASA PB Ratio Calculation

The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.

InterOil Exploration and Production ASA's PB Ratio for today is calculated as follows:

PB Ratio=Share Price/Book Value per Share (Q: Dec. 2025)
=1.92/-30.736
=

* 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.

It can also be calculated from the numbers for the whole company:

A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.

Is InterOil Exploration and Production ASA (OSL:IOX) Overvalued in 2026?

Based on GuruFocus' analysis, InterOil Exploration and Production ASA stock appears to be overvalued. The current stock price of kr1.92 is trading 48.8% above its estimated GF Value™ of kr1.29. GuruFocus considers InterOil Exploration and Production ASA to be Significantly Overvalued.

Key valuation signals for OSL:IOX:

  • PB Ratio:
  • GF Value™: kr1.29 vs. price of kr1.92 (48.8% above fair value)
  • GF Score™: 28/100 with 7 warning signs

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


InterOil Exploration and Production ASA Business Description

Industry EnergyOil & Gas
Address c/o Advokatfirmaet Schjodt AS, Ruselokkveien 14, Oslo, NOR, 0251
InterOil Exploration and Production ASA is an upstream oil exploration and production company. It is engaged in the exploration, development, production, purchase, and sale of oil and natural gas deposits. The group has a reportable segment namely Colombia and Argentina, which consists of upstream activities including oil and natural gas exploration, field development, and production from its licenses in Colombia, which is the group's strategic business unit. The operations of the firm are carried out in Colombia and Argentina.
28GF Score

Get the complete analysis for OSL:IOX

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

kr1.92
Price
kr1.29
GF Value