TGS ASAOSL:TGS -0.08%89 PEG Ratio is 18.01 as of Jun. 30, 2026, which is 274% above its 10-year median of 4.82. GuruFocus rates OSL:TGS with a GF Score™ of 89/100 and a GF Value™ of kr108.07 (Modestly Overvalued). The stock has 3 warning signs investors should review. Among 306 Oil & Gas companies, TGS ASA ranks worse than 98.04% on this metric.
PE Ratio without NRI / 5-Year EBITDA Growth Rate*
PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The growth rate we use is the 5-Year EBITDA growth rate. As of today, TGS ASA's PE Ratio without NRI is 284.60. TGS ASA's 5-Year EBITDA growth rate is 15.80%. Therefore, TGS ASA's PEG Ratio for today is 18.01.
* The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
The historical rank and industry rank for TGS ASA's PEG Ratio or its related term are showing as below:
OSL:TGS'
s PEG Ratio Range Over the Past 10 Years
Min: 0.78 Med: 4.82 Max: 71.96
Current: 18.01
During the past 13 years, TGS ASA's highest PEG Ratio was 71.96. The lowest was 0.78. And the median was 4.82.
OSL:TGS's PEG Ratio is ranked worse than 98.04% of 306
companies
in the Oil & Gas industry
Industry Median: 0.97
vs OSL:TGS: 18.01
Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.
TGS ASA (OSL:TGS) PEG Ratio Explanation
To compare stocks with different growth rates, Peter Lynch invented a ratio called PEG Ratio. PEG Ratio is defined as the P/E ratio divided by the growth ratio. He thinks a company with a P/E ratio equal to its growth rate is fairly valued. Still he said he would rather buy a company growing 20% a year with a P/E of 20, instead of a company growing 10% a year with a P/E of 10.
TGS ASA PEG Ratio Related Terms
TGS ASA PEG Ratio Historical Data
* Premium members only.
The historical data trend for TGS ASA's PEG 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 Equipment & Services subindustry, TGS ASA's PEG Ratio, along with its competitors' market caps and PEG 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.
TGS ASA PEG Ratio vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, TGS ASA's PEG Ratio distribution charts can be found below:
* The bar in red indicates where TGS ASA's PEG Ratio falls into.
* 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.
* Note: The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
TGS ASA (OSL:TGS) has a PEG Ratio of 18.01 as of Jun. 30, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on TGS ASA and its competitors. This is 274% above median its historical median of 4.82. Over the past decade, TGS ASA's PEG Ratio has ranged from 0.78 to 71.96. According to the industry distribution chart, TGS ASA ranks #300 out of 306 companies in the Oil & Gas industry, placing it in the top 98%.
Is TGS ASA's PEG Ratio too high?
TGS ASA's current PEG Ratio of 18.01 is 274% above median its 10-year median of 4.82. Over the past 10 years, this metric has ranged from a low of 0.78 to a high of 71.96. The Oil & Gas industry median PEG Ratio is 0.97. TGS ASA's value of 18.01 is 1756.7% above this industry median. Based on the distribution chart, TGS ASA ranks #300 out of 306 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, TGS ASA has a GF Score™ of 89/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does TGS ASA's PEG Ratio compare to SLB and BKR?
According to the Oil & Gas industry distribution chart, TGS ASA ranks #300 out of 306 companies for PEG Ratio. This places TGS ASA in the lower half of its industry. The industry median PEG Ratio is 0.97. TGS ASA's value of 18.01 is 1756.7% above this benchmark. Historically, TGS ASA's own PEG Ratio has ranged from 0.78 to 71.96 over the past decade. While the company's 10-year median is 4.82 vs. the industry median of 0.97, TGS ASA has consistently been above 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 PEG Ratio for an Oil & Gas company?
The median PEG Ratio among Oil & Gas companies is 0.97, based on 306 companies in the industry. Companies in the top quartile (top 25%) have a PEG Ratio significantly above this median, while those in the bottom quartile fall well below. However, PEG Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. TGS ASA's current PEG Ratio of 18.01 is 1756.7% above 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 PEG Ratio mean?
A high PEG Ratio can signal that a stock is expensive relative to its fundamentals. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on TGS ASA and its competitors. For the Oil & Gas industry, the median PEG Ratio is 0.97 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. TGS ASA's current PEG Ratio is 18.01, which is 274% above median its own 10-year median of 4.82. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is TGS ASA stock overvalued right now?
Based on GuruFocus' analysis, TGS ASA (OSL:TGS) is currently considered Modestly Overvalued. The stock's GF Value™ is kr108.07, compared to a current price of kr131.20 — trading 21.4% above its estimated fair value. The current PEG Ratio is 18.01, which is 274% above median its 10-year median of 4.82 and 1756.7% above the Oil & Gas industry median of 0.97. TGS ASA's overall GF Score™ is 89/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PEG Ratio calculated?
PEG Ratio is calculated from a company's financial statements. For TGS ASA (OSL:TGS), the current PEG Ratio is 18.01 as of Jun. 30, 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 TGS ASA (OSL:TGS) Overvalued in 2026?
Based on GuruFocus' analysis, TGS ASA stock appears to be overvalued.
The current stock price of kr131.20 is trading 21.4% above its estimated GF Value™ of kr108.07.
GuruFocus considers TGS ASA to be Modestly Overvalued.
Key valuation signals for OSL:TGS:
PEG Ratio: 18.01 (274% above median its 10-year median of 4.82)
GF Value™: kr108.07 vs. price of kr131.20 (21.4% above fair value)
Industry Position: 1756.7% above the Oil & Gas median (#300 of 306)
No single metric tells the full story. See the OSL:TGS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
TGS ASA provides energy data and related services, offering technology and solutions that support decision-making across the energy value chain, including exploration and production activities. The company's business activities are organized in the following segments: Multi-client, Marine Data Acquisition (MDA), Imaging, New Energy Solutions (NES), and Shared Services. The majority of the company's revenue is derived from the Multi-client sales segment, which initiates, acquires, processes, markets and sells energy data to multiple customers on a non-exclusive basis. Geographically, it generates the maximum revenue from Africa and the Middle East.
89GF Score
Get the complete analysis for OSL:TGS
PEG Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
OSL:TGS has been successfully added to your 
