WallStSmart

Natural Gas Services Group Inc (NGS)vsPetroleo Brasileiro Petrobras SA ADR (PBR)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Petroleo Brasileiro Petrobras SA ADR generates 277544% more annual revenue ($498.09B vs $179.40M). PBR 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

Strong Buy

66

out of 100

Grade: B-

Growth: 2.7Profit: 8.5Value: 7.3Quality: 5.5
Piotroski: 4/9Altman Z: 2.08
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
PBRUndervalued (+89.6%)

Margin of Safety

+89.6%

Fair Value

$176.60

Current Price

$17.75

$158.85 discount

UndervaluedFair: $176.60Overvalued

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

PBR6 strengths · Avg: 9.5/10
P/E RatioValuation
5.8x10/10

Attractively priced relative to earnings

Price/BookValuation
1.4x10/10

Reasonable price relative to book value

Operating MarginProfitability
32.0%10/10

Strong operational efficiency at 32.0%

Market CapQuality
$117.55B9/10

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

PBR3 concerns · Avg: 2.7/10
Revenue GrowthGrowth
0.4%4/10

0.4% revenue growth

PEG RatioValuation
4.572/10

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

The strongest argument for PBR 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

The primary concerns for PBR are Revenue Growth, PEG Ratio, EPS Growth.

Key Dynamics to Monitor

NGS profiles as a growth stock while PBR 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 generates stronger free cash flow (3.3B), providing more financial flexibility.

Bottom Line

NGS scores higher overall (72/100 vs 66/100) and 17.1% revenue growth. PBR offers better value entry with a 89.6% margin of safety. 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.

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.

Petroleo Brasileiro Petrobras SA ADR

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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