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STOCK COMPARISON

MDU Resources Group vs Naturgy Energy Group: Fair Value & Quality

Both stocks run through our valuation models. Here is how MDU Resources Group (MDU) and Naturgy Energy Group (NTGY) compare, as of Aug 10, 2026.

As of Aug 10, 2026, Fair Value Calculator sees Naturgy Energy Group as the more attractively valued of the two: MDU Resources Group trades at $20.55 versus a fair value of $15.69 (-24%), while Naturgy Energy Group trades at €28.72 versus €35.80 (+25%).
MDU Resources Group
MDU · USD · Utilities
-24%
upside to fair value
overvalued
Price$20.55
Fair Value$15.69
Quality47/100
Naturgy Energy Group
NTGY.MC · EUR · Utilities
+25%
upside to fair value
undervalued
Price€28.72
Fair Value€35.80
Quality55/100

Head-to-head numbers

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

MDU Resources GroupNaturgy Energy Group
Valuation
23.0×P/E (TTM)13.0×
2.45×P/S (TTM)1.62×
1.59×P/B3.31×
13.7×EV/EBITDA7.9×
2.71×PEG6.40×
2.6%Dividend yield—
$0.55Dividend per share—
Profitability
10%Net margin11%
19%Operating margin18%
7%Return on equity22%
3%Return on assets6%
Growth
-10%Revenue growth (YoY)-7%
2.4%Avg. growth/yr (3Y)-17.0%
-19.5%Avg. growth/yr (5Y)4.9%
Balance & size
0.91×Debt / equity1.38×
$4BMarket cap$31B
weakGrowth qualityhealthy

Naturgy Energy Group leads: 5 to 8 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.

MDU Resources Groupof which business quality 42 · market factors 64 Naturgy Energy Groupof which business quality 52 · market factors 67
ProfitabilityMargins and returns on capital today
26
45
Quality GrowthAre margins and returns improving?
32
37
CashflowEarnings quality: real cash, not paper profit
47
67
Fin. StrengthBalance sheet, leverage, solvency risk
24
30
InvestmentDisciplined investing over empire-building
67
71
Low VolatilityCalm price path (market factor)
92
94
MomentumPrice trend over the last 3–12 months (market factor)
45
51
52W MomentumDistance to the 52-week high (market factor)
63
64
Net IssuanceBuybacks instead of dilution
79
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.

MDU Resources Group

Earnings-Based$6.57
Dividend Discount$6.22
Multiples$13.65
Asset-Based$8.89
Economic Profit$6.15
Growth Earnings$12.72

14 of 14 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

11 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.

MDU Resources Group
Bear $13.58Fair Value $15.69Bull $20.39
$20.55 = current price (white tick)
Naturgy Energy Group
Bear €21.46Fair Value €35.80Bull €49.13
€28.72 = 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.

MDU Resources Group · Utilities

Quality score47 · above median
Fair value upside-24% · below median

Naturgy Energy Group · Utilities

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

Bottom line

As of Aug 10, 2026, Fair Value Calculator sees Naturgy Energy Group as the more attractively valued of the two: MDU Resources Group trades at $20.55 versus a fair value of $15.69 (-24%), while Naturgy Energy Group trades at €28.72 versus €35.80 (+25%).

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

See the full analysis →
MDU Resources Group · 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.