Transportadora de Gas del Sur SA ADR (TGS) Fair Value & Analysis
Energy · US · Market cap $4.7B · ISIN US8938702045
What is Transportadora de Gas del Sur SA ADR really worth?
Transportadora de Gas del Sur SA ADR
TGS · US
A solid business, trading 10% below our fair value of $31.92.
Strengths
Risks
For context
Fair value as of: Aug 13, 2026
From 24 valuation models · updated 22 days ago
Share price −3.9% over the past month.
What runs behind every stock
69 individual criteria per stock, every one traceable See the method →
What matters now
- A fairly wide model range ($18.75 to $42.17) leaves room in how you read the outcome.
- The price sits in the lower half of our model range, the side with the larger margin of safety.
- Read the verdict with care: some models are missing inputs, so the estimate scatters more than usual.
Price vs Fair Value (5 years)
White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Aug 13, 2026.
How to read this chart
60‑month range $3.91 – $35.32 · fair‑value band $18.75 – $42.17 · the $28.86 price screens below the $31.92 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). Dashed = 300-day average. As of Aug 13, 2026.
Analysis
Transportadora de Gas del Sur SA ADR (TGS) currently trades at $28.86, while our model-based Fair Value estimate is $31.92, implying the stock looks roughly 9.6% undervalued today. The Quality Score stands at 57/100 (solid quality), in the Energy sector. Bull case: the Growth Earnings group reads highest at a median of $78.78 per share, and 11 of the 24 models we run sit above the $28.86 price. Bear case: the Asset-Based group reads lowest at $8.20, and 13 of the 24 models stay below the price. Evidence for this calculation is medium.
Over the trailing twelve months, Transportadora de Gas del Sur SA ADR generated revenue of $1.8T at a net margin of 24.7%. Revenue grew 13.2% year over year. It earns a return on equity of 14.3%. Net debt stands at $869B. Fundamentals as of Aug 13, 2026
Our scenario range runs from $18.75 (bear case) to $42.17 (bull case); at $28.86, the current price sits within that range. Bear and bull are the same models run on conservative and optimistic assumptions (margins, growth, valuation multiples), so a plausible valuation range, not a price target. The share trades about 21% below its 52-week high and 46% above its 52-week low, currently below its 200-day average. For context, the median of 10 Energy peers we cover trades at −17% fair-value upside, at 11%, TGS screens cheaper than that median.
Fair Value models
This estimate rests on fiscal year 2025 figures, and about 8 months have passed since. In that time the company retained roughly $1.35 per share, which is 4.2 % of the fair value. The fair value deliberately does not add this in: the models value reported figures, not a projection.
Each model estimates fair value its own way; the Fair Value above is the evidence-weighted, family-balanced blend. Evidence (0–100) measures how completely this model’s inputs are available: well-fed models carry more weight in the blend. The spread across models is intentional, each one stresses a different value driver; dividend models, for instance, come out structurally low when payout is small. Every input is real reported data, nothing guessed.
All 24 models by family
Widest divergence: Growth Earnings ($78.78) versus Asset-Based ($8.20). Highest evidence: EPV (72).
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Key figures & financial health
More key figures
Figures from reported company fundamentals · as of Aug 13, 2026. TTM = trailing twelve months.
Quality Score breakdown
Of which business quality 56 · Market factors (momentum, volatility) 49
Non-valuation factor families (profitability, growth, cashflow, financial strength, momentum …), each academically grounded. Valuation itself sits in the Fair Value and is deliberately excluded here to avoid double-counting.
All values are scores from 0 to 100 (100 = best against fixed, research-based bands), not percentages. The three market factors (momentum, 52-week proximity, low volatility) are displayed but carry zero weight in the headline number: market sentiment is not a business property.
About the company
Transportadora de Gas del Sur S.A. engages in transportation of natural gas, and production and commercialization of natural gas liquids in Argentina and internationally. The company operates through four segments: Natural Gas Transportation Services; Liquids Production and Commercialization; Midstream; and Telecommunications.
Full company description
Transportadora de Gas del Sur S.A. engages in transportation of natural gas, and production and commercialization of natural gas liquids in Argentina and internationally. The company operates through four segments: Natural Gas Transportation Services; Liquids Production and Commercialization; Midstream; and Telecommunications. The Natural Gas Transportation segment transports natural gas through pipeline system to distribution companies, power plants, and industrial customers. It provides operation and maintenance services for the natural gas transportation facilities. The Liquids Production and Commercialization segment produces and commercializes natural gas liquids, such as ethane, liquid petroleum gas, natural gasoline, propane, and butane. This segment offers certain related services comprising reception, storage, and dispatch of the liquids. The Midstream segment provides natural gas conditioning services; treatment, removal of impurities and natural gas compression, including the collection and transport of natural gas; and inspection and maintenance of pipelines and compressor plants services. In addition, this segment offers steam generation for electricity production and management services for expansion works and steam generation for the production of electricity. The Telecommunications segment offers data transmission services through a network of digital terrestrial radio relay. It serves residential, commercial, industrial, and electric power generation end users. The company was incorporated in 1992 and is headquartered in Buenos Aires, Argentina. Transportadora de Gas del Sur S.A. operates as a subsidiary of Compañía de Inversiones de Energía S.A.
Company description, as reported by the company or data provider.
Revenue & earnings trend
FY2021 – FY2025 · reported fiscal years
Transportadora de Gas del Sur SA ADR reported revenue of 2.0T ARS in FY2025 versus 527B ARS in FY2021, a compound +39.4%/yr. Reported net income was 490B ARS in FY2025, compounding +40.2%/yr from FY2021.
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Earlier news
External third-party headlines (Yahoo Finance, Reuters and others), not an editorial selection.
- TGS Awarded Extension to Largest Seismic Acquisition Project Offshore Indonesia
- TGS (OB:TGS) Starts Sarawak Survey On Undervalued Narrative Still Holds
- TGS Awards Performance Share Units and Restricted Share Units
- TGS Vesting Under the 2023 Long-term Incentive Plan
Peer Group
Oil & Gas Integrated · 53 stocks
How this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.
Valuation Multiples vs Oil & Gas Integrated median · lower = cheaper
Strength profile in five axes (Snowflake)
Five quick dimensions, each 0 to 100: VALUE (fair-value potential), FUTURE (revenue growth), PAST (return on equity), HEALTH (low debt), DIVIDEND (yield). Green = this stock, grey = typical sector peer.
Values & ESG
Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.
Similar stocks
10 more Oil & Gas Integrated stocks, each showing price versus our Fair Value estimate (as of Aug 13, 2026).
| Stock | Price | Fair Value | vs Fair Value |
|---|---|---|---|
| Exxon Mobil Corporation XOM | $156.44 | $88.98 | −43% |
| Chevron Corporation CVX | $201.86 | $90.66 | −55% |
| PetroChina Company 601857 | ¥11.23 | ¥15.47 | +38% |
| Shell plc SHELL | €40.28 | €39.46 | −2% |
| TotalEnergies SE TOTB | €75.55 | €69.02 | −9% |
| Petróleo Brasileiro S.A XPBRA | €7.11 | €2.03 | −71% |
| China Petroleum & Chemical Corporation 600028 | ¥5.52 | ¥4.59 | −17% |
| Equinor ASA EQNR | kr 395.90 | kr 338.01 | −15% |
| Suncor Energy Inc SU | C$94.21 | C$59.11 | −37% |
| Eni S.p.A E | $55.12 | $32.53 | −41% |
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