WallStSmart

Petróleo Brasileiro S.A. - Petrobras (PBR-A)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Petróleo Brasileiro S.A. - Petrobras generates 4125% more annual revenue ($497.55B vs $11.78B). WDC leads profitability with a 55.3% profit margin vs 22.1%. PBR-A appears more attractively valued with a PEG of 0.35. WDC earns a higher WallStSmart Score of 79/100 (B+).

PBR-A

Strong Buy

75

out of 100

Grade: B

Growth: 4.0Profit: 9.0Value: 8.3Quality: 4.5
Piotroski: 5/9Altman Z: 1.35

WDC

Strong Buy

79

out of 100

Grade: B+

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

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

PBR-A6 strengths · Avg: 9.2/10
PEG RatioValuation
0.3510/10

Growing faster than its price suggests

P/E RatioValuation
6.5x10/10

Attractively priced relative to earnings

Market CapQuality
$136.11B9/10

Large-cap with strong market position

Return on EquityProfitability
28.2%9/10

Every $100 of equity generates 28 in profit

Profit MarginProfitability
22.1%9/10

Keeps 22 of every $100 in revenue as profit

Price/BookValuation
1.5x8/10

Reasonable price relative to book value

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

PBR-A2 concerns · Avg: 3.0/10
EPS GrowthGrowth
0.5%4/10

0.5% earnings growth

Altman Z-ScoreHealth
1.352/10

Distress zone — elevated risk

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 : PBR-A

The strongest argument for PBR-A centers on PEG Ratio, P/E Ratio, Market Cap. Profitability is solid with margins at 22.1% and operating margin at 26.9%. PEG of 0.35 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 : PBR-A

The primary concerns for PBR-A are EPS Growth, Altman Z-Score.

Bear Case : WDC

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

Key Dynamics to Monitor

PBR-A 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.

PBR-A generates stronger free cash flow (3.2B), providing more financial flexibility.

Bottom Line

WDC scores higher overall (79/100 vs 75/100), backed by strong 55.3% margins and 45.5% revenue growth. Both earn "Strong Buy" and "Strong 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.

Petróleo Brasileiro S.A. - Petrobras

ENERGY · OIL & GAS INTEGRATED · USA

Petrleo Brasileiro SA - Petrobras produces and sells oil and gas in Brazil and internationally. The company is headquartered in Rio de Janeiro, Brazil.

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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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