PetroNor E&P ASAOSL:PNOR +0.19%72 PB Ratio is 1.08 as of Jul. 05, 2026, which is 19% above its 10-year median of 0.91. GuruFocus rates OSL:PNOR with a GF Score™ of 72/100 and a GF Value™ of kr3.71 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 927 Oil & Gas companies, PetroNor E&P ASA ranks better than 63% on this metric.
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 (2026-07-05), PetroNor E&P ASA's share price is kr10.60. PetroNor E&P ASA's Book Value per Share for the quarter that ended in Mar. 2026 was kr9.79. Hence, PetroNor E&P ASA's PB Ratio of today is 1.08.
The historical rank and industry rank for PetroNor E&P ASA's PB Ratio or its related term are showing as below:
OSL:PNOR'
s PB Ratio Range Over the Past 10 Years
Min: 0.6 Med: 0.91 Max: 3.18
Current: 1.08
During the past 8 years, PetroNor E&P ASA's highest PB Ratio was 3.18. The lowest was 0.60. And the median was 0.91.
OSL:PNOR's PB Ratio is ranked better than 63% of 927
companies
in the Oil & Gas industry
Industry Median: 1.4
vs OSL:PNOR: 1.08
During the past 12 months, PetroNor E&P ASA's average Book Value Per Share Growth Rate was -24.30% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 15.70% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 75.40% per year.
During the past 8 years, the highest 3-Year average Book Value Per Share Growth Rate of PetroNor E&P ASA was 187.30% per year. The lowest was 15.70% per year. And the median was 64.70% per year.
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.
PetroNor E&P ASA PB Ratio Related Terms
PetroNor E&P ASA PB Ratio Historical Data
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The historical data trend for PetroNor E&P 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.
For the Oil & Gas E&P subindustry, PetroNor E&P 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.
PetroNor E&P ASA PB Ratio vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, PetroNor E&P ASA's PB Ratio distribution charts can be found below:
* The bar in red indicates where PetroNor E&P ASA's PB Ratio falls into.
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.
* 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.
PetroNor E&P ASA (OSL:PNOR) has a PB Ratio of 1.08 as of Jul. 05, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on PetroNor E&P ASA and its competitors. This is 19% above median its historical median of 0.91. Over the past decade, PetroNor E&P ASA's PB Ratio has ranged from 0.60 to 3.18. According to the industry distribution chart, PetroNor E&P ASA ranks #343 out of 927 companies in the Oil & Gas industry, placing it in the top 37%.
Is PetroNor E&P ASA's PB Ratio too high?
PetroNor E&P ASA's current PB Ratio of 1.08 is 19% above median its 10-year median of 0.91. Over the past 10 years, this metric has ranged from a low of 0.60 to a high of 3.18. The Oil & Gas industry median PB Ratio is 1.40. PetroNor E&P ASA's value of 1.08 is 22.9% below this industry median. Based on the distribution chart, PetroNor E&P ASA ranks #343 out of 927 companies in the Oil & Gas industry, which is above the industry midpoint. Overall, PetroNor E&P ASA has a GF Score™ of 72/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does PetroNor E&P ASA's PB Ratio compare to COP and EOG?
According to the Oil & Gas industry distribution chart, PetroNor E&P ASA ranks #343 out of 927 companies for PB Ratio. This puts PetroNor E&P ASA in the upper half of its industry. The industry median PB Ratio is 1.40. PetroNor E&P ASA's value of 1.08 is 22.9% below this benchmark. Historically, PetroNor E&P ASA's own PB Ratio has ranged from 0.60 to 3.18 over the past decade. While the company's 10-year median is 0.91 vs. the industry median of 1.40, PetroNor E&P ASA has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PB Ratio for an Oil & Gas company?
The median PB Ratio among Oil & Gas companies is 1.40, based on 927 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. PetroNor E&P ASA's current PB Ratio of 1.08 is 22.9% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on PetroNor E&P ASA and its competitors. For the Oil & Gas industry, the median PB Ratio is 1.40 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. PetroNor E&P ASA's current PB Ratio is 1.08, which is 19% above median its own 10-year median of 0.91. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is PetroNor E&P ASA stock overvalued right now?
Based on GuruFocus' analysis, PetroNor E&P ASA (OSL:PNOR) is currently considered Significantly Overvalued. The stock's GF Value™ is kr3.71, compared to a current price of kr10.60 — trading 185.7% above its estimated fair value. The current PB Ratio is 1.08, which is 19% above median its 10-year median of 0.91 and 22.9% below the Oil & Gas industry median of 1.40. PetroNor E&P ASA's overall GF Score™ is 72/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For PetroNor E&P ASA (OSL:PNOR), the current PB Ratio is 1.08 as of Jul. 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 PetroNor E&P ASA (OSL:PNOR) Overvalued in 2026?
Based on GuruFocus' analysis, PetroNor E&P ASA stock appears to be overvalued.
The current stock price of kr10.60 is trading 185.7% above its estimated GF Value™ of kr3.71.
GuruFocus considers PetroNor E&P ASA to be Significantly Overvalued.
Key valuation signals for OSL:PNOR:
PB Ratio: 1.08 (19% above median its 10-year median of 0.91)
GF Value™: kr3.71 vs. price of kr10.60 (185.7% above fair value)
Industry Position: 22.9% below the Oil & Gas median (#343 of 927)
No single metric tells the full story. See the OSL:PNOR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
PetroNor E&P ASA is an independent oil and gas exploration and production company. The principal activities of the group are the exploration and production of crude oil. The group only has one operating segment, being exploration and production of hydrocarbons. . It operates in West Africa, with core producing assets in the Republic of Congo and development/exploration interests in Nigeria and The Gambia.
72GF Score
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