WallStSmart

NRG Energy Inc. (NRG)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

NRG Energy Inc. generates 161% more annual revenue ($30.71B vs $11.78B). WDC leads profitability with a 55.3% profit margin vs 2.8%. WDC appears more attractively valued with a PEG of 0.87. WDC earns a higher WallStSmart Score of 79/100 (B+).

NRG

Buy

54

out of 100

Grade: C-

Growth: 3.3Profit: 6.0Value: 6.7Quality: 5.3
Piotroski: 5/9Altman Z: 1.70

WDC

Strong Buy

79

out of 100

Grade: B+

Growth: 7.3Profit: 9.5Value: 6.3Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

NRGUndervalued (+59.0%)

Margin of Safety

+59.0%

Fair Value

$391.91

Current Price

$157.43

$234.49 discount

UndervaluedFair: $391.91Overvalued

Intrinsic value data unavailable for WDC.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

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

Every $100 of equity generates 42 in profit

WDC6 strengths · Avg: 9.8/10
Return on EquityProfitability
85.9%10/10

Every $100 of equity generates 86 in profit

Profit MarginProfitability
55.3%10/10

Keeps 55 of every $100 in revenue as profit

Operating MarginProfitability
37.0%10/10

Strong operational efficiency at 37.0%

Revenue GrowthGrowth
45.5%10/10

Revenue surging 45.5% year-over-year

EPS GrowthGrowth
477.2%10/10

Earnings expanding 477.2% YoY

Market CapQuality
$152.47B9/10

Large-cap with strong market position

Areas to Watch

NRG4 concerns · Avg: 3.5/10
P/E RatioValuation
38.3x4/10

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%

WDC2 concerns · Avg: 3.0/10
P/E RatioValuation
25.8x4/10

Moderate valuation

Price/BookValuation
21.2x2/10

Trading at 21.2x book value

Comparative Analysis Report

WallStSmart Research

Bull Case : NRG

The strongest argument for NRG centers on Return on Equity. Revenue growth of 13.7% demonstrates continued momentum. PEG of 1.36 suggests the stock is reasonably priced for its growth.

Bull Case : WDC

The strongest argument for WDC centers on Return on Equity, Profit Margin, Operating Margin. Profitability is solid with margins at 55.3% and operating margin at 37.0%. Revenue growth of 45.5% demonstrates continued momentum.

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.

Bear Case : WDC

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

Key Dynamics to Monitor

NRG profiles as a value stock while WDC is a growth play — different risk/reward profiles.

WDC carries more volatility with a beta of 2.16 — expect wider price swings.

WDC is growing revenue faster at 45.5% — sustainability is the question.

WDC generates stronger free cash flow (978M), providing more financial flexibility.

Bottom Line

WDC scores higher overall (79/100 vs 54/100), backed by strong 55.3% margins and 45.5% revenue growth. NRG offers better value entry with a 59.0% margin of safety. 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.

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.

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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