WallStSmart

Diamondback Energy Inc (FANG)vsRiley Exploration Permian Inc (REPX)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Diamondback Energy Inc generates 3484% more annual revenue ($14.46B vs $403.40M). REPX leads profitability with a 15.3% profit margin vs 2.0%. REPX appears more attractively valued with a PEG of 2.84. REPX earns a higher WallStSmart Score of 73/100 (B).

FANG

Hold

41

out of 100

Grade: D

Growth: 4.7Profit: 4.0Value: 4.7Quality: 4.5
Piotroski: 2/9Altman Z: 1.28

REPX

Strong Buy

73

out of 100

Grade: B

Growth: 7.3Profit: 7.5Value: 6.0Quality: 5.5
Piotroski: 4/9Altman Z: 1.77
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

FANGUndervalued (+41.1%)

Margin of Safety

+41.1%

Fair Value

$286.80

Current Price

$192.62

$94.18 discount

UndervaluedFair: $286.80Overvalued
REPXUndervalued (+29.7%)

Margin of Safety

+29.7%

Fair Value

$38.00

Current Price

$34.72

$3.28 discount

UndervaluedFair: $38.00Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

FANG2 strengths · Avg: 9.5/10
Price/BookValuation
1.5x10/10

Reasonable price relative to book value

Market CapQuality
$56.94B9/10

Large-cap with strong market position

REPX4 strengths · Avg: 9.5/10
Price/BookValuation
1.2x10/10

Reasonable price relative to book value

Operating MarginProfitability
38.4%10/10

Strong operational efficiency at 38.4%

EPS GrowthGrowth
686.0%10/10

Earnings expanding 686.0% YoY

P/E RatioValuation
12.5x8/10

Attractively priced relative to earnings

Areas to Watch

FANG4 concerns · Avg: 3.3/10
Revenue GrowthGrowth
4.2%4/10

4.2% revenue growth

Return on EquityProfitability
1.1%3/10

ROE of 1.1% — below average capital efficiency

Profit MarginProfitability
2.0%3/10

2.0% margin — thin

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

REPX3 concerns · Avg: 3.0/10
Altman Z-ScoreHealth
1.774/10

Distress zone — elevated risk

Market CapQuality
$778.67M3/10

Smaller company, higher risk/reward

PEG RatioValuation
2.842/10

Expensive relative to growth rate

Comparative Analysis Report

WallStSmart Research

Bull Case : FANG

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

Bull Case : REPX

The strongest argument for REPX centers on Price/Book, Operating Margin, EPS Growth. Profitability is solid with margins at 15.3% and operating margin at 38.4%. Revenue growth of 11.2% demonstrates continued momentum.

Bear Case : FANG

The primary concerns for FANG are Revenue Growth, Return on Equity, Profit Margin. A P/E of 208.7x leaves little room for execution misses. Thin 2.0% margins leave little buffer for downturns.

Bear Case : REPX

The primary concerns for REPX are Altman Z-Score, Market Cap, PEG Ratio.

Key Dynamics to Monitor

FANG profiles as a value stock while REPX is a mature play — different risk/reward profiles.

REPX carries more volatility with a beta of 0.89 — expect wider price swings.

REPX is growing revenue faster at 11.2% — sustainability is the question.

FANG generates stronger free cash flow (895M), providing more financial flexibility.

Bottom Line

REPX scores higher overall (73/100 vs 41/100), backed by strong 15.3% margins and 11.2% revenue growth. FANG offers better value entry with a 41.1% margin of safety. Both earn "Strong 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.

Riley Exploration Permian Inc

ENERGY · OIL & GAS E&P · USA

Riley Exploration Permian, Inc., an independent oil and natural gas company, is engaged in the acquisition, exploration, development and production of oil, natural gas and natural gas liquids primarily in the Permian Basin. The company is headquartered in Oklahoma City, Oklahoma.

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