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Is Transportadora de Gas del Sur S.A. (TGS) Undervalued? Valuation & Fair Price

At $26.62, 3 of the 4 frameworks would pass on Transportadora de Gas del Sur S.A. today — Peter Lynch rates it Buy and Warren Buffett, Benjamin Graham, and Phil Town (Rule #1) rate it Avoid. Each model calculates its own fair value and margin of safety; create a free account to see the exact buy price behind every verdict.

TG

Transportadora de Gas del Sur S.A.

TGS

Energy · Oil & Gas Integrated · NYSE

$26.62

P/E 12.2×

CEO

Oscar José Sardi

Sector

Energy

Industry

Oil & Gas Integrated

Transportadora de Gas del Sur S.A. (TGS) is an Argentine enterprise specializing in the transit of natural gas and the extraction and distribution of natural gas liquids. The company's activities are organized across four primary divisions. Its Natural Gas Transportation division oversees a substantial 5,769-mile pipeline system, through which it delivers natural gas to utility providers, power plants, and industrial clients. This segment also handles the ongoing operation and upkeep of its gas transmission facilities. The Liquids Production and Commercialization unit focuses on manufacturing and marketing various natural gas liquids, including ethane, liquefied petroleum gas (LPG), natural gasoline, propane, and butane, serving both domestic and international markets. The Other Services segment provides a suite of intermediate processing functions, such as the purification, separation, and decontamination of natural gas streams, alongside gas compression services. Furthermore, this division is involved in the construction, operation, and maintenance of pipelines and compressor stations, and generates steam for power generation. Lastly, the Telecommunications segment offers communication services, leveraging a sophisticated network that includes a digital microwave system with synchronous digital hierarchy (SDH) technology, as well as a dark fiber optic infrastructure. As of December 31, 2021, TGS had extended its services to approximately 6.2 million final consumers, encompassing residential, commercial, industrial, and electricity generation sectors. Founded in 1992 and headquartered in Buenos Aires, Argentina, Transportadora de Gas del Sur S.A. operates as a subsidiary of Compañía de Inversiones de Energía S.A.

Investor scorecard

How the four investors rate Transportadora de Gas del Sur S.A.

3 of 4 frameworks urge caution

Warren Buffett
61%Avoid
Benjamin Graham
57%Avoid
Peter Lynch
72%Buy
Phil Town (Rule #1)
55%Avoid

Investor model analysis

Details locked

At $26.62, 3 of 4 frameworks say Avoid

Business Quality62/100

Intrinsic Value (DCF)

Warren Buffett's valuation model · select an investor above to switch

Intrinsic Value

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Buy Below

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Strong Buy

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Margin of Safety

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Insider & congress activity

Are insiders buying TGS?

Over recent SEC Form 4 filings, TGS insiders bought $137K and sold $0 of stock across 1 open-market trade. Insiders sell for many reasons, but they buy for one.

Bought $137KSold $0
Recent open-market insider trades for TGS
InsiderActionSharesValueDate
Fallo Luis AlbertodirectorBuy4,680$137KJun 9, 2026

Source: SEC Form 4 filings. Open-market buys & sells only. Not investment advice.

See the interactive insider chart & every trade

Scenario analysis

Bear, base & bull

Three growth assumptions, three fair values — and where today's price lands

What's working

Key strengths

Identified by Buffett framework analysis

Return on Equity

ROE Quality (Low Leverage)

Gross Margin

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Company financials

5-Year Financials

Income statement highlights — annual, USD

Metric20252024202320222021
Revenue$1.3B
$789M
$633M
$706M
$345M
Rev. Growth+64.8%+24.7%-10.3%+104.9%—
Net Income$321M$242M$33M$143M$83M
Net Margin24.7%30.7%5.3%20.3%24.1%
EPS (Diluted)$2.13$1.61$0.10$0.14$0.09
Free Cash FlowLocked — upgrade to viewLocked — upgrade to viewLocked — upgrade to viewLocked — upgrade to viewLocked — upgrade to view

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Educational Use Only · Not Financial Advice

Analysis, scores, valuations, and buy zones are derived from publicly documented investor frameworks (Buffett, Lynch, Benjamin Graham, Phil Town) for learning purposes only. They are not recommendations from licensed financial advisors. Past performance does not guarantee future results. Prices may be delayed up to 15 minutes. Always conduct your own research before making any investment decisions.