WallStSmart

Atmos Energy Corporation (ATO)vsSouthern Company (SO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Southern Company generates 513% more annual revenue ($30.18B vs $4.92B). ATO leads profitability with a 28.5% profit margin vs 15.4%. ATO appears more attractively valued with a PEG of 2.02. SO earns a higher WallStSmart Score of 66/100 (B-).

ATO

Strong Buy

66

out of 100

Grade: B-

Growth: 5.3Profit: 8.0Value: 5.0Quality: 4.0
Piotroski: 2/9Altman Z: 1.10

SO

Strong Buy

66

out of 100

Grade: B-

Growth: 6.0Profit: 7.5Value: 4.0Quality: 3.0
Piotroski: 2/9Altman Z: 0.65
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for ATO.

SOSignificantly Overvalued (-40.5%)

Margin of Safety

-40.5%

Fair Value

$62.06

Current Price

$87.02

$24.96 premium

UndervaluedFair: $62.06Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

ATO4 strengths · Avg: 8.8/10
Operating MarginProfitability
37.2%10/10

Strong operational efficiency at 37.2%

Profit MarginProfitability
28.5%9/10

Keeps 29 of every $100 in revenue as profit

Price/BookValuation
1.8x8/10

Reasonable price relative to book value

EPS GrowthGrowth
23.3%8/10

Earnings expanding 23.3% YoY

SO4 strengths · Avg: 8.3/10
Market CapQuality
$100.28B9/10

Large-cap with strong market position

Price/BookValuation
2.5x8/10

Reasonable price relative to book value

Operating MarginProfitability
29.6%8/10

Strong operational efficiency at 29.6%

EPS GrowthGrowth
30.4%8/10

Earnings expanding 30.4% YoY

Areas to Watch

ATO4 concerns · Avg: 3.3/10
PEG RatioValuation
2.024/10

Expensive relative to growth rate

Revenue GrowthGrowth
4.8%4/10

4.8% revenue growth

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

Free Cash FlowQuality
$-399.43M2/10

Negative free cash flow — burning cash

SO4 concerns · Avg: 3.5/10
PEG RatioValuation
2.074/10

Expensive relative to growth rate

Revenue GrowthGrowth
0.1%4/10

0.1% revenue growth

Debt/EquityHealth
1.953/10

Elevated debt levels

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

Comparative Analysis Report

WallStSmart Research

Bull Case : ATO

The strongest argument for ATO centers on Operating Margin, Profit Margin, Price/Book. Profitability is solid with margins at 28.5% and operating margin at 37.2%.

Bull Case : SO

The strongest argument for SO centers on Market Cap, Price/Book, Operating Margin. Profitability is solid with margins at 15.4% and operating margin at 29.6%.

Bear Case : ATO

The primary concerns for ATO are PEG Ratio, Revenue Growth, Piotroski F-Score.

Bear Case : SO

The primary concerns for SO are PEG Ratio, Revenue Growth, Debt/Equity. Debt-to-equity of 1.95 is elevated, increasing financial risk.

Key Dynamics to Monitor

ATO carries more volatility with a beta of 0.59 — expect wider price swings.

ATO is growing revenue faster at 4.8% — sustainability is the question.

SO generates stronger free cash flow (-293M), providing more financial flexibility.

Monitor UTILITIES - REGULATED GAS industry trends, competitive dynamics, and regulatory changes.

Bottom Line

ATO scores higher overall (66/100 vs 66/100), backed by strong 28.5% margins. Both earn "Strong Buy" and "Strong Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Atmos Energy Corporation

UTILITIES · UTILITIES - REGULATED GAS · USA

Atmos Energy Corporation, headquartered in Dallas, Texas, is one of the United States' largest natural-gas-only distributors.

Southern Company

UTILITIES · UTILITIES - REGULATED ELECTRIC · USA

Southern Company is an American gas and electric utility holding company based in the southern United States. It is headquartered in Atlanta, Georgia, with executive offices also located in Birmingham, Alabama.

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