WallStSmart

Diamondback Energy Inc (FANG)vsRing Energy Inc (REI)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Diamondback Energy Inc generates 5169% more annual revenue ($16.25B vs $308.34M). FANG leads profitability with a 9.0% profit margin vs -71.4%. REI appears more attractively valued with a PEG of 1.82. FANG earns a higher WallStSmart Score of 69/100 (B-).

FANG

Strong Buy

69

out of 100

Grade: B-

Growth: 9.3Profit: 6.0Value: 5.3Quality: 4.5
Piotroski: 2/9Altman Z: 1.28

REI

Buy

65

out of 100

Grade: C+

Growth: 6.7Profit: 4.5Value: 4.7Quality: 4.0
Piotroski: 3/9Altman Z: 0.93
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

FANGUndervalued (+47.0%)

Margin of Safety

+47.0%

Fair Value

$318.64

Current Price

$204.97

$113.67 discount

UndervaluedFair: $318.64Overvalued

Intrinsic value data unavailable for REI.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

FANG6 strengths · Avg: 9.2/10
Operating MarginProfitability
48.5%10/10

Strong operational efficiency at 48.5%

Revenue GrowthGrowth
52.5%10/10

Revenue surging 52.5% year-over-year

EPS GrowthGrowth
179.5%10/10

Earnings expanding 179.5% YoY

Market CapQuality
$57.40B9/10

Large-cap with strong market position

Price/BookValuation
1.5x8/10

Reasonable price relative to book value

Free Cash FlowQuality
$2.59B8/10

Generating 2.6B in free cash flow

REI4 strengths · Avg: 9.5/10
Price/BookValuation
0.5x10/10

Reasonable price relative to book value

Operating MarginProfitability
74.3%10/10

Strong operational efficiency at 74.3%

EPS GrowthGrowth
170.2%10/10

Earnings expanding 170.2% YoY

Revenue GrowthGrowth
26.5%8/10

Revenue surging 26.5% year-over-year

Areas to Watch

FANG4 concerns · Avg: 3.0/10
P/E RatioValuation
39.0x4/10

Premium valuation, high expectations priced in

Return on EquityProfitability
4.2%3/10

ROE of 4.2% — below average capital efficiency

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

PEG RatioValuation
25.242/10

Expensive relative to growth rate

REI4 concerns · Avg: 3.0/10
PEG RatioValuation
1.824/10

Expensive relative to growth rate

Market CapQuality
$390.81M3/10

Smaller company, higher risk/reward

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

Return on EquityProfitability
-42.5%2/10

ROE of -42.5% — below average capital efficiency

Comparative Analysis Report

WallStSmart Research

Bull Case : FANG

The strongest argument for FANG centers on Operating Margin, Revenue Growth, EPS Growth. Revenue growth of 52.5% demonstrates continued momentum.

Bull Case : REI

The strongest argument for REI centers on Price/Book, Operating Margin, EPS Growth. Revenue growth of 26.5% demonstrates continued momentum.

Bear Case : FANG

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

Bear Case : REI

The primary concerns for REI are PEG Ratio, Market Cap, Piotroski F-Score.

Key Dynamics to Monitor

FANG profiles as a hypergrowth stock while REI is a growth play — different risk/reward profiles.

REI carries more volatility with a beta of 0.82 — expect wider price swings.

FANG is growing revenue faster at 52.5% — sustainability is the question.

FANG generates stronger free cash flow (2.6B), providing more financial flexibility.

Bottom Line

FANG scores higher overall (69/100 vs 65/100) and 52.5% revenue growth. Both earn "Strong Buy" and "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.

Diamondback Energy Inc

ENERGY · OIL & GAS E&P · USA

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

Ring Energy Inc

ENERGY · OIL & GAS E&P · USA

Ring Energy, Inc., an exploration and production company, is engaged in the acquisition, exploration, development and production of oil and natural gas in Texas and New Mexico. The company is headquartered in Midland, Texas.

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