TGS ASA (OSTO:TGSO) Defensive Interval Ratio

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

OSTO:TGSO TGS ASA OSTO:TGSO
76 GF Score
Price kr139.60
GF Value kr108.63
Valuation Modestly Overvalued
! 8 Warning Signs
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What is TGS ASA Defensive Interval Ratio?

OSTO:TGSO
76GF Score
TGS ASA OSTO:TGSO
Defensive Interval Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Is TGS ASA (OSTO:TGSO) Overvalued in 2026?

Based on GuruFocus' analysis, TGS ASA stock appears to be overvalued. The current stock price of kr139.60 is trading 28.5% above its estimated GF Value™ of kr108.63. GuruFocus considers TGS ASA to be Modestly Overvalued.

Key valuation signals for OSTO:TGSO:

  • Defensive Interval Ratio:
  • GF Value™: kr108.63 vs. price of kr139.60 (28.5% above fair value)
  • GF Score™: 76/100 with 8 warning signs

No single metric tells the full story. See the OSTO:TGSO 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.
76GF Score

Get the complete analysis for OSTO:TGSO

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

kr139.60
Price
kr108.63
GF Value