TGSGY (TGS ASA) E10: $0.37 (As of Mar. 2026)


TGSGY TGS ASA TGSGY
79 GF Score
Price $13.69
GF Value $11.23
Valuation Modestly Overvalued
! 7 Warning Signs
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What is TGS ASA E10?

TGS ASA TGSGY -3.86% 79 E10 is $0.37 as of Mar. 2026. GuruFocus rates TGSGY with a GF Score™ of 79/100 and a GF Value™ of $11.23 (Modestly Overvalued). The stock has 7 warning signs investors should review.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E 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 Mar. 2026 was $-0.050. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is $0.37 for the trailing ten years ended in Mar. 2026.

During the past 12 months, TGS ASA's average E10 Growth Rate was 40.20% per year. During the past 3 years, the average E10 Growth Rate was -15.10% per year. During the past 5 years, the average E10 Growth Rate was -18.00% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the E10 growth rate using E10 data.

During the past 13 years, the highest 3-Year average E10 Growth Rate of TGS ASA was -6.20% per year. The lowest was -24.30% per year. And the median was -16.50% per year.

As of today (2026-06-25), TGS ASA's current stock price is $13.685. TGS ASA's E10 for the quarter that ended in Mar. 2026 was $0.37. TGS ASA's Shiller PE Ratio of today is 36.99.

During the past 13 years, the highest Shiller PE Ratio of TGS ASA was 48.45. The lowest was 10.73. And the median was 24.91.


TGS ASA  (OTCPK:TGSGY) E10 Explanation

If a company grows much fast than inflation, E10 may underestimate the company's earnings power. Shiller PE Ratio can seem to be too high even the actual P/E is low.

For the Shiller P/E, 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 P/E is also called PE10.

The Shiller P/E 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 P/E Ratio of today is calculated as

Shiller PE Ratio=Share Price/E10
=13.685/0.37
=36.99

* 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.

During the past 13 years, the highest Shiller P/E Ratio of TGS ASA was 48.45. The lowest was 10.73. And the median was 24.91.


Be Aware

Shiller PE Ratio works better for cyclical companies. It gives you a better idea on the company's real earnings power.


TGS ASA E10 Related Terms


TGS ASA E10 Historical Data

* Premium members only.

The historical data trend for TGS ASA's E10 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.

TGS ASA E10 Chart

TGS ASA Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
E10
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.72 0.51 0.40 0.25 0.34

TGS ASA Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
E10 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 0.24 0.21 0.20 0.34 0.37

TGSGY vs SLB, BKR, HAL: E10 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.


TGSGY
79GF Score
TGS ASA TGSGY
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
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TGS ASA E10 Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. When we calculate the today's Shiller P/E ratio of a stock, we use today's price divided by E10.

What is E10? How do we calculate E10?

E10 is the average of the inflation adjusted earnings of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the E10 of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the earnings from 2001 through 2010.

We adjusted the earnings of 2001 earnings data with the total inflation from 2001 through 2010 to the equivalent earnings in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart earned $1 a share in 2001, then the 2001's equivalent earnings in 2010 is $1.4 a share. If Wal-Mart earns $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 earnings in 2010 is $1.35. So on and so forth, you get the equivalent earnings of past 10 years. Then you add them together and divided the sum by 10 to get 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.

For example, TGS ASA's adjusted earnings per share data for the three months ended in Mar. 2026 was:

Adj_EPS= Earnings per Share (Diluted) /CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=-0.05/330.2130*330.2130
=-0.050

Current CPI (Mar. 2026) = 330.2130.

TGS ASA Quarterly Data

per share eps CPI Adj_EPS
201606 0.170 241.018 0.233
201609 0.020 241.428 0.027
201612 0.294 241.432 0.402
201703 0.020 243.801 0.027
201706 0.090 244.955 0.121
201709 0.090 246.819 0.120
201712 0.530 246.524 0.710
201803 -0.040 249.554 -0.053
201806 0.230 251.989 0.301
201809 0.320 252.439 0.419
201812 1.210 251.233 1.590
201903 0.040 254.202 0.052
201906 -0.020 256.143 -0.026
201909 0.360 256.759 0.463
201912 0.630 256.974 0.810
202003 -0.260 258.115 -0.333
202006 -0.670 257.797 -0.858
202009 -0.600 260.280 -0.761
202012 0.100 260.474 0.127
202103 0.110 264.877 0.137
202106 -0.140 271.696 -0.170
202109 0.030 274.310 0.036
202112 -0.660 278.802 -0.782
202203 0.180 287.504 0.207
202206 0.220 296.311 0.245
202209 -0.020 296.808 -0.022
202212 0.360 296.797 0.401
202303 -0.070 301.836 -0.077
202306 0.180 305.109 0.195
202309 0.130 307.789 0.139
202312 -0.070 306.746 -0.075
202403 -0.130 312.332 -0.137
202406 0.270 314.175 0.284
202409 0.190 315.301 0.199
202412 0.190 315.605 0.199
202503 0.050 319.799 0.052
202506 -0.310 322.561 -0.317
202509 0.310 324.800 0.315
202512 0.030 324.054 0.031
202603 -0.050 330.213 -0.050

Add all the adjusted EPS together and divide 10 will get our e10.

Frequently Asked Questions Learn more about E10 →
What does a E10 of $0.37 mean?
TGS ASA (TGSGY) has a E10 of $0.37 as of Mar. 2026. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on TGS ASA and its competitors.
Is TGS ASA's E10 too high?
TGS ASA's current E10 is $0.37. Overall, TGS ASA has a GF Score™ of 79/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does TGS ASA's E10 compare to SLB and BKR?
TGS ASA's E10 of $0.37 can be compared against companies in the Oil & Gas industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good E10 for an Oil & Gas company?
A good E10 depends on the Oil & Gas industry context. However, E10 should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high E10 mean?
A high E10 can signal that a stock is expensive relative to its fundamentals. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on TGS ASA and its competitors. TGS ASA's current E10 is $0.37. 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 (TGSGY) is currently considered Modestly Overvalued. The stock's GF Value™ is $11.23, compared to a current price of $13.69 — trading 21.9% above its estimated fair value. The current E10 is $0.37. TGS ASA's overall GF Score™ is 79/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is E10 calculated?
E10 is calculated from a company's financial statements. For TGS ASA (TGSGY), the current E10 is $0.37 as of Mar. 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 (TGSGY) Overvalued in 2026?

Based on GuruFocus' analysis, TGS ASA stock appears to be overvalued. The current stock price of $13.69 is trading 21.9% above its estimated GF Value™ of $11.23. GuruFocus considers TGS ASA to be Modestly Overvalued.

Key valuation signals for TGSGY:

  • E10: $0.37
  • GF Value™: $11.23 vs. price of $13.69 (21.9% above fair value)
  • GF Score™: 79/100 with 7 warning signs

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


TGS ASA Business Description

Industry EnergyOil & Gas
Address 10451 Clay Road, Houston, TX, USA, 77041
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.
79GF Score

Get the complete analysis for TGSGY

E10 is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$13.69
Price
$11.23
GF Value