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 277544% more annual revenue ($498.09B vs $179.40M). PBR-A leads profitability with a 21.6% profit margin vs 12.2%. NGS appears more attractively valued with a PEG of 0.82. NGS earns a higher WallStSmart Score of 72/100 (B).

NGS

Strong Buy

72

out of 100

Grade: B

Growth: 9.3Profit: 6.5Value: 6.0Quality: 6.0
Piotroski: 2/9Altman Z: 1.52

PBR-A

Buy

65

out of 100

Grade: C+

Growth: 2.7Profit: 8.5Value: 5.7Quality: 4.8
Piotroski: 4/9
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

NGSFair Value (-1.4%)

Margin of Safety

-1.4%

Fair Value

$36.47

Current Price

$39.87

$3.40 premium

UndervaluedFair: $36.47Overvalued

Intrinsic value data unavailable for PBR-A.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

NGS5 strengths · Avg: 8.0/10
PEG RatioValuation
0.828/10

Growing faster than its price suggests

Price/BookValuation
1.8x8/10

Reasonable price relative to book value

Operating MarginProfitability
27.7%8/10

Strong operational efficiency at 27.7%

Revenue GrowthGrowth
17.1%8/10

17.1% revenue growth

EPS GrowthGrowth
39.5%8/10

Earnings expanding 39.5% YoY

PBR-A6 strengths · Avg: 9.5/10
P/E RatioValuation
5.2x10/10

Attractively priced relative to earnings

Price/BookValuation
1.2x10/10

Reasonable price relative to book value

Operating MarginProfitability
32.0%10/10

Strong operational efficiency at 32.0%

Market CapQuality
$111.87B9/10

Large-cap with strong market position

Return on EquityProfitability
23.9%9/10

Every $100 of equity generates 24 in profit

Profit MarginProfitability
21.6%9/10

Keeps 22 of every $100 in revenue as profit

Areas to Watch

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

Distress zone — elevated risk

Market CapQuality
$517.92M3/10

Smaller company, higher risk/reward

Return on EquityProfitability
7.8%3/10

ROE of 7.8% — below average capital efficiency

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

PBR-A3 concerns · Avg: 2.7/10
Revenue GrowthGrowth
0.4%4/10

0.4% revenue growth

PEG RatioValuation
4.092/10

Expensive relative to growth rate

EPS GrowthGrowth
-7.2%2/10

Earnings declined 7.2%

Comparative Analysis Report

WallStSmart Research

Bull Case : NGS

The strongest argument for NGS centers on PEG Ratio, Price/Book, Operating Margin. Revenue growth of 17.1% 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, Operating Margin. Profitability is solid with margins at 21.6% and operating margin at 32.0%.

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 Revenue Growth, PEG Ratio, EPS Growth.

Key Dynamics to Monitor

NGS profiles as a growth stock while PBR-A is a value play — different risk/reward profiles.

NGS carries more volatility with a beta of 0.41 — expect wider price swings.

NGS is growing revenue faster at 17.1% — sustainability is the question.

PBR-A generates stronger free cash flow (3.3B), providing more financial flexibility.

Bottom Line

NGS scores higher overall (72/100 vs 65/100) and 17.1% revenue growth. 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.

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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