WallStSmart

Diamondback Energy Inc (FANG)vsNRG Energy Inc. (NRG)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

NRG Energy Inc. generates 115% more annual revenue ($30.71B vs $14.29B). FANG leads profitability with a 11.6% profit margin vs 2.8%. NRG appears more attractively valued with a PEG of 1.29. NRG earns a higher WallStSmart Score of 54/100 (C-).

FANG

Hold

45

out of 100

Grade: D+

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

NRG

Buy

54

out of 100

Grade: C-

Growth: 3.3Profit: 6.0Value: 7.3Quality: 5.3
Piotroski: 5/9Altman Z: 1.70
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
NRGSignificantly Overvalued (-490.6%)

Margin of Safety

-490.6%

Fair Value

$27.20

Current Price

$151.04

$123.84 premium

UndervaluedFair: $27.20Overvalued

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

NRG1 strengths · Avg: 10.0/10
Return on EquityProfitability
41.5%10/10

Every $100 of equity generates 42 in profit

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

NRG4 concerns · Avg: 3.5/10
P/E RatioValuation
37.8x4/10

Premium valuation, high expectations priced in

Altman Z-ScoreHealth
1.704/10

Distress zone — elevated risk

Profit MarginProfitability
2.8%3/10

2.8% margin — thin

Operating MarginProfitability
4.3%3/10

Operating margin of 4.3%

Comparative Analysis Report

WallStSmart Research

Bull Case : FANG

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

Bull Case : NRG

The strongest argument for NRG centers on Return on Equity. Revenue growth of 13.7% demonstrates continued momentum. PEG of 1.29 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 : NRG

The primary concerns for NRG are P/E Ratio, Altman Z-Score, Profit Margin. Thin 2.8% margins leave little buffer for downturns.

Key Dynamics to Monitor

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

NRG carries more volatility with a beta of 1.26 — expect wider price swings.

NRG is growing revenue faster at 13.7% — sustainability is the question.

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

Bottom Line

NRG scores higher overall (54/100 vs 45/100) and 13.7% 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.

NRG Energy Inc.

UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA

NRG Energy, Inc. is a large American energy company, headquartered in Houston, Texas. It was formerly the wholesale arm of Northern States Power Company (NSP), which became Xcel Energy, but became independent in 2000. NRG Energy is involved in energy generation and retail electricity.

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