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TGS ASAOSL:TGS -1.14%88 Shiller PE Ratio is 37.77 as of Sep. 15, 2026, which is 50% above its 10-year median of 25.19. GuruFocus rates OSL:TGS with a GF Score™ of 88/100 and a GF Value™ of kr109.47 (Modestly Overvalued). The stock has 8 warning signs investors should review. Among 440 Oil & Gas companies, TGS ASA ranks worse than 81.82% on this metric.
As of today (2026-09-15), TGS ASA's current share price is kr138.60. TGS ASA's E10 for the quarter that ended in Jun. 2026 was kr3.67. TGS ASA's Shiller PE Ratio for today is 37.77.
The historical rank and industry rank for TGS ASA's Shiller PE Ratio or its related term are showing as below:
OSL:TGS'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 10.73 Med: 25.19 Max: 48.45
Current: 38.19
During the past years, TGS ASA's highest Shiller PE Ratio was 48.45. The lowest was 10.73. And the median was 25.19.
OSL:TGS's Shiller PE Ratio is ranked worse than 81.82% of 440
companies
in the Oil & Gas industry
Industry Median: 17.955
vs OSL:TGS: 38.19
E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.
TGS ASA's adjusted earnings per share data for the three months ended in Jun. 2026 was kr1.917. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is kr3.67 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.
Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.
Be Aware
Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.
TGS ASA Shiller PE Ratio Related Terms
TGS ASA Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for TGS ASA's Shiller PE 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.
OSL:TGS vs SLB, BKR, HAL: Shiller PE Ratio Comparison
For the Oil & Gas Equipment & Services subindustry, TGS ASA's Shiller PE Ratio, along with its competitors' market caps and Shiller PE 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 Shiller PE Ratio vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, TGS ASA's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where TGS ASA's Shiller PE Ratio falls into.
For Shiller PE Ratio, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller PE Ratio is also called PE10.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.
TGS ASA's Shiller PE Ratio for today is calculated as
* 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.
TGS ASA's E10 for the quarter that ended in Jun. 2026 is calculated as:
For example, TGS ASA's adjusted earnings per share data for the three months ended in Jun. 2026 was:
Add all the adjusted EPS together and divide 10 will get our E10.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
TGS ASA (OSL:TGS) has a Shiller PE Ratio of 37.77 as of Sep. 15, 2026. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on TGS ASA and its competitors. This is 50% above median its historical median of 25.19. Over the past decade, TGS ASA's Shiller PE Ratio has ranged from 10.73 to 48.45. According to the industry distribution chart, TGS ASA ranks #360 out of 440 companies in the Oil & Gas industry, placing it in the top 81.8%.
Is TGS ASA's Shiller PE Ratio too high?
TGS ASA's current Shiller PE Ratio of 37.77 is 50% above median its 10-year median of 25.19. Over the past 10 years, this metric has ranged from a low of 10.73 to a high of 48.45. The Oil & Gas industry median Shiller PE Ratio is 17.96. TGS ASA's value of 37.77 is 110.4% above this industry median. Based on the distribution chart, TGS ASA ranks #360 out of 440 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, TGS ASA has a GF Score™ of 88/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does TGS ASA's Shiller PE Ratio compare to SLB and BKR?
According to the Oil & Gas industry distribution chart, TGS ASA ranks #360 out of 440 companies for Shiller PE Ratio. This places TGS ASA in the lower half of its industry. The industry median Shiller PE Ratio is 17.96. TGS ASA's value of 37.77 is 110.4% above this benchmark. Historically, TGS ASA's own Shiller PE Ratio has ranged from 10.73 to 48.45 over the past decade. While the company's 10-year median is 25.19 vs. the industry median of 17.96, 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 Shiller PE Ratio for an Oil & Gas company?
The median Shiller PE Ratio among Oil & Gas companies is 17.96, based on 440 companies in the industry. Companies in the top quartile (top 25%) have a Shiller PE Ratio significantly above this median, while those in the bottom quartile fall well below. However, Shiller PE Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. TGS ASA's current Shiller PE Ratio of 37.77 is 110.4% 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 Shiller PE Ratio mean?
A high Shiller PE Ratio can signal that a stock is expensive relative to its fundamentals. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on TGS ASA and its competitors. For the Oil & Gas industry, the median Shiller PE Ratio is 17.96 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. TGS ASA's current Shiller PE Ratio is 37.77, which is 50% above median its own 10-year median of 25.19. 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 kr109.47, compared to a current price of kr138.60 — trading 26.6% above its estimated fair value. The current Shiller PE Ratio is 37.77, which is 50% above median its 10-year median of 25.19 and 110.4% above the Oil & Gas industry median of 17.96. TGS ASA's overall GF Score™ is 88/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For TGS ASA (OSL:TGS), the current Shiller PE Ratio is 37.77 as of Sep. 15, 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 kr138.60 is trading 26.6% above its estimated GF Value™ of kr109.47.
GuruFocus considers TGS ASA to be Modestly Overvalued.
Key valuation signals for OSL:TGS:
Shiller PE Ratio: 37.77 (50% above median its 10-year median of 25.19)
GF Value™: kr109.47 vs. price of kr138.60 (26.6% above fair value)
Industry Position: 110.4% above the Oil & Gas median (#360 of 440)
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.
88GF Score
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