WallStSmart

Diamondback Energy Inc (FANG)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Diamondback Energy Inc generates 33% more annual revenue ($14.29B vs $10.73B). WDC leads profitability with a 35.6% profit margin vs 11.6%. WDC appears more attractively valued with a PEG of 0.69. WDC earns a higher WallStSmart Score of 55/100 (C).

FANG

Hold

45

out of 100

Grade: D+

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

WDC

Buy

55

out of 100

Grade: C

Growth: 2.0Profit: 9.0Value: 7.3Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

FANGSignificantly Overvalued (-29.1%)

Margin of Safety

-29.1%

Fair Value

$130.87

Current Price

$192.54

$61.67 premium

UndervaluedFair: $130.87Overvalued
WDCSignificantly Overvalued (-311.2%)

Margin of Safety

-311.2%

Fair Value

$66.57

Current Price

$293.10

$226.53 premium

UndervaluedFair: $66.57Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

FANG3 strengths · Avg: 9.0/10
Price/BookValuation
1.5x10/10

Reasonable price relative to book value

Market CapQuality
$54.31B9/10

Large-cap with strong market position

Free Cash FlowQuality
$1.40B8/10

Generating 1.4B in free cash flow

WDC4 strengths · Avg: 9.3/10
Return on EquityProfitability
41.1%10/10

Every $100 of equity generates 41 in profit

Profit MarginProfitability
35.6%10/10

Keeps 36 of every $100 in revenue as profit

Market CapQuality
$100.21B9/10

Large-cap with strong market position

PEG RatioValuation
0.698/10

Growing faster than its price suggests

Areas to Watch

FANG4 concerns · Avg: 3.0/10
P/E RatioValuation
33.5x4/10

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
102.402/10

Expensive relative to growth rate

WDC4 concerns · Avg: 3.0/10
P/E RatioValuation
29.9x4/10

Moderate valuation

Price/BookValuation
14.0x4/10

Trading at 14.0x book value

Revenue GrowthGrowth
-41.0%2/10

Revenue declined 41.0%

EPS GrowthGrowth
-95.9%2/10

Earnings declined 95.9%

Comparative Analysis Report

WallStSmart Research

Bull Case : FANG

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

Bull Case : WDC

The strongest argument for WDC centers on Return on Equity, Profit Margin, Market Cap. Profitability is solid with margins at 35.6% and operating margin at 15.4%. PEG of 0.69 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 : WDC

The primary concerns for WDC are P/E Ratio, Price/Book, Revenue Growth.

Key Dynamics to Monitor

WDC carries more volatility with a beta of 1.85 — expect wider price swings.

FANG is growing revenue faster at -9.4% — sustainability is the question.

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

Monitor OIL & GAS E&P industry trends, competitive dynamics, and regulatory changes.

Bottom Line

WDC scores higher overall (55/100 vs 45/100), backed by strong 35.6% margins. 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.

Western Digital Corporation

TECHNOLOGY · COMPUTER HARDWARE · USA

Western Digital Corporation (WDC, commonly known as Western Digital or WD) is an American computer hard disk drive manufacturer and data storage company, headquartered in San Jose, California. It designs, manufactures and sells data technology products, including storage devices, data center systems and cloud storage services.

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