WallStSmart

Diamondback Energy Inc (FANG)vsVistra Energy Corp (VST)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Vistra Energy Corp generates 24% more annual revenue ($17.74B vs $14.29B). FANG leads profitability with a 11.6% profit margin vs 5.3%. VST appears more attractively valued with a PEG of 1.27. VST earns a higher WallStSmart Score of 53/100 (C-).

FANG

Hold

45

out of 100

Grade: D+

Growth: 5.3Profit: 4.0Value: 4.7Quality: 3.3
Piotroski: 1/9Altman Z: 1.24

VST

Buy

53

out of 100

Grade: C-

Growth: 3.3Profit: 6.0Value: 4.7Quality: 2.5
Piotroski: 2/9Altman Z: 0.73
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

FANGSignificantly Overvalued (-29.4%)

Margin of Safety

-29.4%

Fair Value

$130.64

Current Price

$196.02

$65.38 premium

UndervaluedFair: $130.64Overvalued
VSTSignificantly Overvalued (-980.6%)

Margin of Safety

-980.6%

Fair Value

$14.82

Current Price

$151.51

$136.69 premium

UndervaluedFair: $14.82Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

FANG3 strengths · Avg: 8.3/10
Market CapQuality
$55.59B9/10

Large-cap with strong market position

Price/BookValuation
1.5x8/10

Reasonable price relative to book value

Free Cash FlowQuality
$1.40B8/10

Generating 1.4B in free cash flow

VST1 strengths · Avg: 9.0/10
Market CapQuality
$51.70B9/10

Large-cap with strong market position

Areas to Watch

FANG4 concerns · Avg: 3.0/10
P/E RatioValuation
34.4x4/10

Premium valuation, high expectations priced in

Return on EquityProfitability
3.7%3/10

ROE of 3.7% — below average capital efficiency

Piotroski F-ScoreQuality
1/93/10

Weak financial health signals

PEG RatioValuation
103.602/10

Expensive relative to growth rate

VST4 concerns · Avg: 3.0/10
Price/BookValuation
19.5x4/10

Trading at 19.5x book value

Profit MarginProfitability
5.3%3/10

5.3% margin — thin

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

P/E RatioValuation
70.1x2/10

Premium valuation, high expectations priced in

Comparative Analysis Report

WallStSmart Research

Bull Case : FANG

The strongest argument for FANG centers on Market Cap, Price/Book, Free Cash Flow.

Bull Case : VST

The strongest argument for VST centers on Market Cap. Revenue growth of 13.6% demonstrates continued momentum. PEG of 1.27 suggests the stock is reasonably priced for its growth.

Bear Case : FANG

The primary concerns for FANG are P/E Ratio, Return on Equity, Piotroski F-Score.

Bear Case : VST

The primary concerns for VST are Price/Book, Profit Margin, Piotroski F-Score. A P/E of 70.1x leaves little room for execution misses. Debt-to-equity of 3.36 is elevated, increasing financial risk.

Key Dynamics to Monitor

FANG profiles as a declining stock while VST is a value play — different risk/reward profiles.

VST carries more volatility with a beta of 1.45 — expect wider price swings.

VST is growing revenue faster at 13.6% — sustainability is the question.

FANG generates stronger free cash flow (1.4B), providing more financial flexibility.

Bottom Line

VST scores higher overall (53/100 vs 45/100) and 13.6% revenue growth. Both earn "Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.

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

Diamondback Energy Inc

ENERGY · OIL & GAS E&P · USA

Diamondback Energy is a company engaged in hydrocarbon exploration and headquartered in Midland, Texas.

Vistra Energy Corp

UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA

Vistra Corp. The company is headquartered in Irving, Texas.

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