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STOCK COMPARISON

Societatea Nationala de Transport Gaze Naturale Transgaz vs Naturgy Energy Group: Fair Value & Quality

Both stocks run through our valuation models. Here is how Societatea Nationala de Transport Gaze Naturale Transgaz (TGN) and Naturgy Energy Group (NTGY) compare, as of Aug 21, 2026.

As of Aug 21, 2026, Fair Value Calculator sees Naturgy Energy Group as the more attractively valued of the two: Societatea Nationala de Transport Gaze Naturale Transgaz trades at 91.10 versus a fair value of 34.06 (-63%), while Naturgy Energy Group trades at €29.56 versus €31.58 (+7%).
Societatea Nationala de Transport Gaze Naturale Transgaz
TGN.RO · Materials
-63%
upside to fair value
overvalued
Price91.10
Fair Value34.06
Quality53/100
Naturgy Energy Group
NTGY.MC · EUR · Utilities
+7%
upside to fair value
fairly valued
Price€29.56
Fair Value€31.58
Quality55/100
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Head-to-head numbers

Green value = the better side for that row (for valuation multiples: lower = cheaper).

Societatea Nationala de Transport Gaze Naturale TransgazNaturgy Energy Group
Valuation
23.2×P/E (TTM)13.5×
0.88×P/S (TTM)1.64×
0.81×P/B3.34×
5.2×EV/EBITDA7.9×
—PEG6.40×
—Dividend yield6.3%
Profitability
18%Net margin11%
40%Operating margin18%
19%Return on equity22%
4%Return on assets6%
Growth
-17%Revenue growth (YoY)-7%
21.1%Avg. growth/yr (3Y)-17.0%
9.2%Avg. growth/yr (5Y)4.9%
Balance & size
0.76×Debt / equity1.38×
$4BMarket cap$31B
mixedGrowth qualityhealthy

Societatea Nationala de Transport Gaze Naturale Transgaz leads: 8 to 4 metric wins.

Dash = not meaningfully computable, for example with negative equity.

Quality in detail

The quality score, broken down into the same factor families as on the stock page, 0 to 100 per family.

Societatea Nationala de Transport Gaze Naturale Transgazof which business quality 49 · market factors 85 Naturgy Energy Groupof which business quality 52 · market factors 69
ProfitabilityMargins and returns on capital today
34
45
Quality GrowthAre margins and returns improving?
66
37
CashflowEarnings quality: real cash, not paper profit
36
67
Fin. StrengthBalance sheet, leverage, solvency risk
47
30
InvestmentDisciplined investing over empire-building
40
71
Low VolatilityCalm price path (market factor)
82
94
MomentumPrice trend over the last 3–12 months (market factor)
81
52
52W MomentumDistance to the 52-week high (market factor)
96
70
Net IssuanceBuybacks instead of dilution
82
76

What the models say

The median fair value (base case) per model family, each in the currency of its trading venue. Green = above the current price, red = below.

Societatea Nationala de Transport Gaze Naturale Transgaz

Earnings-Based40.87
Dividend Discount6.18
Multiples35.27
Asset-Based15.98
Economic Profit14.68
Growth Earnings52.02

15 of 16 models see the stock below the current price.

Naturgy Energy Group

DCF Models€30.77
Earnings-Based€26.55
Dividend Discount€23.41
Multiples€40.20
Asset-Based€6.76
Growth DCF€32.80
Economic Profit€20.95
Growth Earnings€30.66

13 of 24 models see the stock below the current price.

Scenario ranges

From our cautious bear case to the optimistic bull case. The white tick is the current price: left of fair value means room to run.

Societatea Nationala de Transport Gaze Naturale Transgaz
Bear 23.16Fair Value 34.06Bull 42.57
91.10 = current price (white tick)
Naturgy Energy Group
Bear €18.13Fair Value €31.58Bull €47.64
€29.56 = current price (white tick)

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Ranked within their sector

Where each stock sits within its sector peer group. Band = middle 50% of peers, tick = median, dot = this stock.

Societatea Nationala de Transport Gaze Naturale Transgaz · Materials

Quality score53 · above median
Fair value upside-63% · bottom 25%

Naturgy Energy Group · Utilities

Quality score55 · Top 25%
Fair value upside+7% · above median

Bottom line

As of Aug 21, 2026, Fair Value Calculator sees Naturgy Energy Group as the more attractively valued of the two: Societatea Nationala de Transport Gaze Naturale Transgaz trades at 91.10 versus a fair value of 34.06 (-63%), while Naturgy Energy Group trades at €29.56 versus €31.58 (+7%).

Naturgy Energy Group has the higher quality score (55/100).

See the full analysis →
Societatea Nationala de Transport Gaze Naturale Transgaz · Naturgy Energy Group

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A model-based valuation snapshot from 21 models. Values change with price and fundamentals; the date shown above applies.