WallStSmart

AerCap Holdings NV (AER)vsCaterpillar Inc (CAT)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Caterpillar Inc generates 715% more annual revenue ($70.75B vs $8.68B). AER leads profitability with a 45.2% profit margin vs 13.3%. AER appears more attractively valued with a PEG of 0.80. AER earns a higher WallStSmart Score of 85/100 (A-).

AER

Exceptional Buy

85

out of 100

Grade: A-

Growth: 7.3Profit: 8.5Value: 6.7Quality: 3.5
Piotroski: 6/9Altman Z: 0.88

CAT

Strong Buy

67

out of 100

Grade: B-

Growth: 7.3Profit: 8.0Value: 4.3Quality: 4.5
Piotroski: 3/9Altman Z: 2.40
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

AERSignificantly Overvalued (-65.4%)

Margin of Safety

-65.4%

Fair Value

$89.62

Current Price

$136.94

$47.32 premium

UndervaluedFair: $89.62Overvalued

Intrinsic value data unavailable for CAT.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AER6 strengths · Avg: 9.5/10
P/E RatioValuation
6.2x10/10

Attractively priced relative to earnings

Price/BookValuation
1.2x10/10

Reasonable price relative to book value

Profit MarginProfitability
45.2%10/10

Keeps 45 of every $100 in revenue as profit

Operating MarginProfitability
60.9%10/10

Strong operational efficiency at 60.9%

Return on EquityProfitability
21.3%9/10

Every $100 of equity generates 21 in profit

PEG RatioValuation
0.808/10

Growing faster than its price suggests

CAT5 strengths · Avg: 8.8/10
Market CapQuality
$419.05B10/10

Mega-cap, among the largest globally

Return on EquityProfitability
50.5%10/10

Every $100 of equity generates 50 in profit

Revenue GrowthGrowth
22.2%8/10

Revenue surging 22.2% year-over-year

EPS GrowthGrowth
30.2%8/10

Earnings expanding 30.2% YoY

Free Cash FlowQuality
$1.55B8/10

Generating 1.5B in free cash flow

Areas to Watch

AER3 concerns · Avg: 1.7/10
Free Cash FlowQuality
$-69.91M2/10

Negative free cash flow — burning cash

Altman Z-ScoreHealth
0.882/10

Distress zone — elevated risk

Debt/EquityHealth
2.341/10

Elevated debt levels

CAT4 concerns · Avg: 2.8/10
PEG RatioValuation
2.064/10

Expensive relative to growth rate

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

P/E RatioValuation
45.2x2/10

Premium valuation, high expectations priced in

Price/BookValuation
22.3x2/10

Trading at 22.3x book value

Comparative Analysis Report

WallStSmart Research

Bull Case : AER

The strongest argument for AER centers on P/E Ratio, Price/Book, Profit Margin. Profitability is solid with margins at 45.2% and operating margin at 60.9%. PEG of 0.80 suggests the stock is reasonably priced for its growth.

Bull Case : CAT

The strongest argument for CAT centers on Market Cap, Return on Equity, Revenue Growth. Revenue growth of 22.2% demonstrates continued momentum.

Bear Case : AER

The primary concerns for AER are Free Cash Flow, Altman Z-Score, Debt/Equity. Debt-to-equity of 2.34 is elevated, increasing financial risk.

Bear Case : CAT

The primary concerns for CAT are PEG Ratio, Piotroski F-Score, P/E Ratio. A P/E of 45.2x leaves little room for execution misses. Debt-to-equity of 2.31 is elevated, increasing financial risk.

Key Dynamics to Monitor

AER profiles as a mature stock while CAT is a growth play — different risk/reward profiles.

CAT carries more volatility with a beta of 1.63 — expect wider price swings.

CAT is growing revenue faster at 22.2% — sustainability is the question.

CAT generates stronger free cash flow (1.5B), providing more financial flexibility.

Bottom Line

AER scores higher overall (85/100 vs 67/100), backed by strong 45.2% margins. Both earn "Exceptional 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.

AerCap Holdings NV

INDUSTRIALS · RENTAL & LEASING SERVICES · USA

AerCap Holdings NV is engaged in the leasing, financing, sale and management of commercial aircraft and engines in mainland China, Hong Kong, Macau, the United States, Ireland and internationally. The company is headquartered in Dublin, Ireland.

Caterpillar Inc

INDUSTRIALS · FARM & HEAVY CONSTRUCTION MACHINERY · USA

Caterpillar Inc. (often shortened to CAT) is an American Fortune 100 corporation that designs, develops, engineers, manufactures, markets, and sells machinery, engines, financial products, and insurance to customers via a worldwide dealer network.

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