Transportadora de Gas del Sur SA (TGS) fair value: what the stock is really worth
As of Nov 6, 2026: fair value (intrinsic value) of Transportadora de Gas del Sur SA stock $12.72, price $21.54, that is 41.0% below the price, quality 56 out of 100. Rating: strongly overvalued. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.
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Transportadora de Gas del Sur SA
TGS · USOur calculation puts a fair price 41% below what the stock costs today.
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Price vs Fair Value
White line = price, green steps = our fair value per fiscal year. As of Nov 6, 2026.
How to read this chart
60‑month range $3.91 – $35.32 · fair‑value band $6.50 – $23.45 · the $21.54 price screens above the $12.72 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). As of Nov 6, 2026.
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Company profile
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.
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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.
Stock analysis
Transportadora de Gas del Sur SA (TGS) currently trades at $21.54, while our model-based Fair Value estimate is $12.72, 41% below the price, so the stock looks overvalued today.
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Valuation
Bull case: the Growth Earnings group reads highest at a median of $86.47 per share, and 18 of the 26 models we run sit above the $21.54 price.
Bear case: the Asset-Based group reads lowest at $9.00, and 8 of the 26 models stay below the price. Data coverage for this calculation is high.
Scenario range: $6.50 (bear) to $23.45 (bull), the price of $21.54 sits inside it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.
Quality & growth
The Quality Score stands at 56/100 (solid quality), in the Energy sector.
Expensive Growth: The company is growing, but growth may require heavy reinvestment or weak cash conversion.
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.
Key figures
Market cap $3.2B Mid · P/E ratio 8.2 · P/S ratio 2.02 · EPS (TTM) $2.66 · Dividend yield 3.0% · Net margin 24.7% · Return on equity 13.7% · Return on assets (EBIT) 23.7% (5-year average).
Competitive moat
Our AI-assisted moat analysis scores the competitive advantage at 73 out of 100 (medium confidence).
What moves the price
The share trades about 39% below its 52-week high and at its 52-week low, currently below its 200-day average.
For context, the median of 10 Energy peers we cover trades at −15% fair-value upside, at −41%, TGS screens richer than that median.
Fair Value models
All 26 models by family
The fair value above starts from this blend and is adjusted for a cyclical peak year.
Quality Score breakdown
It rates the business: profits, how they develop, real cash, balance sheet, investing and share count.
Revenue & earnings trend
Growth Forecast
TGS screens overvalued: fair value 41% below the price. Compare with Saudi Arabian Oil Company →
Earlier news
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Compare Transportadora de Gas del Sur SA ADR with another stock
Price, fair value, quality and upside side by side.
Peer Groupⓘ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.Oil & Gas Integrated · 43 stocks
Valuation Multiplesvs Oil & Gas Integrated median · lower = cheaper
Strength profile in five axes (Snowflake)
VALUE 0: the price sits above our fair-value range.
Context: sector, industry, market
- Is the Energy sector expensive or cheap?
- P/E, EV/EBITDA and margins by industry (reference tables)
- EV/EBITDA by industry
- Dividend yield by industry
- Piotroski F-Score screener with fair value
- Undervalued stocks: Energy
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- Valuation of the USA market
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.
| Stock | Price | Fair Value | vs Fair Value | Compare |
|---|---|---|---|---|
| PetroChina Company 601857 | ¥12.70 | ¥13.96 | +10% | vs TGS |
| China Petroleum & Chemical Corporation 600028 | ¥5.80 | ¥5.60 | −4% | vs TGS |
| TotalEnergies SE TTE | €79.73 | €74.49 | −7% | vs TGS |
| Equinor ASA EQNR | kr 394.90 | kr 342.31 | −13% | vs TGS |
| Petróleo Brasileiro S.A PBR | $18.53 | $15.70 | −15% | vs TGS |
| Suncor Energy Inc SU | $68.74 | $51.32 | −25% | vs TGS |
| Saudi Arabian Oil Company 2222 | 26.08 SAR | 19.04 SAR | −27% | vs TGS |
| Imperial Oil Limited IMO | $124.83 | $68.70 | −45% | vs TGS |
| Exxon Mobil Corporation XOM | $165.87 | $90.40 | −46% | vs TGS |
| Chevron Corporation CVX | $212.61 | $92.05 | −57% | vs TGS |
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Key figures of Transportadora de Gas del Sur SA
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