Both stocks run through our valuation models. Here is how Southern (SO) and Duke Energy (DUK) compare, as of Aug 24, 2026.
As of Aug 24, 2026, Fair Value Calculator sees Southern as the less overvalued of the two: Southern trades at $88.94 versus a fair value of $58.81 (-34%), while Duke Energy trades at $120 versus $74.89 (-38%).
Southern
SO · USD · Utilities
-34%
upside to fair value
overvalued
Price$88.94
Fair Value$58.81
Quality43/100
Duke Energy
DUK · USD · Utilities
-38%
upside to fair value
overvalued
Price$120
Fair Value$74.89
Quality45/100
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Head-to-head numbers
Green value = the better side for that row (for valuation multiples: lower = cheaper).
SouthernDuke Energy
Valuation
24.5×P/E (TTM)18.8×
3.57×P/S (TTM)3.01×
2.99×P/B1.90×
12.2×EV/EBITDA10.8×
2.74×PEG2.47×
3.3%Dividend yield3.5%
$2.96Dividend per share$4.24
Profitability
14%Net margin16%
26%Operating margin26%
11%Return on equity10%
3%Return on assets3%
Growth
8%Revenue growth (YoY)11%
0.3%Avg. growth/yr (3Y)3.9%
7.7%Avg. growth/yr (5Y)6.6%
Balance & size
1.80×Debt / equity1.55×
$108BMarket cap$98B
expensiveGrowth qualityexpensive
Duke Energy leads: 4 to 10 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.
Southernof which business quality 40 · market factors 54Duke Energyof which business quality 41 · market factors 56
ProfitabilityMargins and returns on capital today
32
30
Quality GrowthAre margins and returns improving?
38
36
CashflowEarnings quality: real cash, not paper profit
InvestmentDisciplined investing over empire-building
49
59
Low VolatilityCalm price path (market factor)
98
99
MomentumPrice trend over the last 3–12 months (market factor)
37
39
52W MomentumDistance to the 52-week high (market factor)
34
35
Net IssuanceBuybacks instead of dilution
75
77
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.
Southern
Earnings-Based$18.52
Dividend Discount$43.51
Multiples$59.70
Asset-Based$21.41
Economic Profit$20.98
Growth Earnings$58.74
15 of 15 models see the stock below the current price.
Duke Energy
Earnings-Based$30.46
Dividend Discount$68.61
Multiples$96.04
Asset-Based$44.55
Economic Profit$35.83
Growth Earnings$97.11
15 of 15 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.
Southern
Bear $36.59Fair Value $58.81Bull $81.83
$88.94 = current price (white tick)
Duke Energy
Bear $51.46Fair Value $74.89Bull $123
$120 = 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.
Southern · Utilities
Quality score43 · below median
Fair value upside-34% · below median
Duke Energy · Utilities
Quality score45 · below median
Fair value upside-38% · below median
Bottom line
As of Aug 24, 2026, Fair Value Calculator sees Southern as the less overvalued of the two: Southern trades at $88.94 versus a fair value of $58.81 (-34%), while Duke Energy trades at $120 versus $74.89 (-38%).
Duke Energy has the higher quality score (45/100).
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A model-based valuation snapshot from 26 models. Values change with price and fundamentals; the date shown above applies.
