WallStSmart

Natural Gas Services Group Inc (NGS)vsPetróleo Brasileiro S.A. - Petrobras (PBR-A)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Petróleo Brasileiro S.A. - Petrobras generates 289468% more annual revenue ($548.49B vs $189.42M). PBR-A leads profitability with a 24.3% profit margin vs 10.8%. NGS appears more attractively valued with a PEG of 0.82. PBR-A earns a higher WallStSmart Score of 83/100 (A-).

NGS

Buy

62

out of 100

Grade: C+

Growth: 6.7Profit: 6.0Value: 6.7Quality: 5.5
Piotroski: 2/9Altman Z: 1.52

PBR-A

Exceptional Buy

83

out of 100

Grade: A-

Growth: 7.3Profit: 9.0Value: 5.7Quality: 4.8
Piotroski: 4/9
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

NGSUndervalued (+1.3%)

Margin of Safety

+1.3%

Fair Value

$37.50

Current Price

$37.87

$0.37 discount

UndervaluedFair: $37.50Overvalued

Intrinsic value data unavailable for PBR-A.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

NGS3 strengths · Avg: 8.0/10
PEG RatioValuation
0.828/10

Growing faster than its price suggests

Price/BookValuation
1.7x8/10

Reasonable price relative to book value

Revenue GrowthGrowth
24.2%8/10

Revenue surging 24.2% year-over-year

PBR-A6 strengths · Avg: 10.0/10
P/E RatioValuation
4.6x10/10

Attractively priced relative to earnings

Price/BookValuation
1.3x10/10

Reasonable price relative to book value

Return on EquityProfitability
56.5%10/10

Every $100 of equity generates 56 in profit

Operating MarginProfitability
44.7%10/10

Strong operational efficiency at 44.7%

Revenue GrowthGrowth
42.3%10/10

Revenue surging 42.3% year-over-year

EPS GrowthGrowth
96.8%10/10

Earnings expanding 96.8% YoY

Areas to Watch

NGS4 concerns · Avg: 3.3/10
Altman Z-ScoreHealth
1.524/10

Distress zone — elevated risk

Market CapQuality
$468.60M3/10

Smaller company, higher risk/reward

Return on EquityProfitability
7.0%3/10

ROE of 7.0% — below average capital efficiency

Debt/EquityHealth
1.113/10

Elevated debt levels

PBR-A1 concerns · Avg: 2.0/10
PEG RatioValuation
5.322/10

Expensive relative to growth rate

Comparative Analysis Report

WallStSmart Research

Bull Case : NGS

The strongest argument for NGS centers on PEG Ratio, Price/Book, Revenue Growth. Revenue growth of 24.2% demonstrates continued momentum. PEG of 0.82 suggests the stock is reasonably priced for its growth.

Bull Case : PBR-A

The strongest argument for PBR-A centers on P/E Ratio, Price/Book, Return on Equity. Profitability is solid with margins at 24.3% and operating margin at 44.7%. Revenue growth of 42.3% demonstrates continued momentum.

Bear Case : NGS

The primary concerns for NGS are Altman Z-Score, Market Cap, Return on Equity.

Bear Case : PBR-A

The primary concerns for PBR-A are PEG Ratio.

Key Dynamics to Monitor

NGS carries more volatility with a beta of 0.42 — expect wider price swings.

PBR-A is growing revenue faster at 42.3% — sustainability is the question.

PBR-A generates stronger free cash flow (7.3B), providing more financial flexibility.

Monitor OIL & GAS EQUIPMENT & SERVICES industry trends, competitive dynamics, and regulatory changes.

Bottom Line

PBR-A scores higher overall (83/100 vs 62/100), backed by strong 24.3% margins and 42.3% revenue growth. Both earn "Exceptional 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.

Natural Gas Services Group Inc

ENERGY · OIL & GAS EQUIPMENT & SERVICES · USA

Natural Gas Services Group, Inc. provides natural gas compression equipment and services to the United States energy industry. The company is headquartered in Midland, Texas.

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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