WallStSmart

AerCap Holdings NV (AER)vsWillis Lease Finance Corporation (WLFC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

AerCap Holdings NV generates 1163% more annual revenue ($8.52B vs $674.38M). AER leads profitability with a 44.0% profit margin vs 18.2%. AER appears more attractively valued with a PEG of 0.80. AER earns a higher WallStSmart Score of 79/100 (B+).

AER

Strong Buy

79

out of 100

Grade: B+

Growth: 6.0Profit: 8.5Value: 10.0Quality: 4.3
Piotroski: 7/9Altman Z: 0.90

WLFC

Strong Buy

71

out of 100

Grade: B

Growth: 6.7Profit: 8.0Value: 7.3Quality: 3.5
Piotroski: 2/9Altman Z: 0.87
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

AERUndervalued (+59.9%)

Margin of Safety

+59.9%

Fair Value

$369.94

Current Price

$137.82

$232.12 discount

UndervaluedFair: $369.94Overvalued
WLFCSignificantly Overvalued (-77.9%)

Margin of Safety

-77.9%

Fair Value

$113.29

Current Price

$176.96

$63.67 premium

UndervaluedFair: $113.29Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AER6 strengths · Avg: 9.5/10
P/E RatioValuation
6.5x10/10

Attractively priced relative to earnings

Price/BookValuation
1.2x10/10

Reasonable price relative to book value

Profit MarginProfitability
44.0%10/10

Keeps 44 of every $100 in revenue as profit

Operating MarginProfitability
48.0%10/10

Strong operational efficiency at 48.0%

Return on EquityProfitability
21.1%9/10

Every $100 of equity generates 21 in profit

PEG RatioValuation
0.808/10

Growing faster than its price suggests

WLFC5 strengths · Avg: 8.8/10
P/E RatioValuation
10.7x10/10

Attractively priced relative to earnings

Operating MarginProfitability
45.6%10/10

Strong operational efficiency at 45.6%

PEG RatioValuation
0.948/10

Growing faster than its price suggests

Price/BookValuation
2.1x8/10

Reasonable price relative to book value

Revenue GrowthGrowth
26.1%8/10

Revenue surging 26.1% year-over-year

Areas to Watch

AER2 concerns · Avg: 2.0/10
Free Cash FlowQuality
$-891.09M2/10

Negative free cash flow — burning cash

Altman Z-ScoreHealth
0.902/10

Distress zone — elevated risk

WLFC4 concerns · Avg: 2.5/10
Market CapQuality
$1.36B3/10

Smaller company, higher risk/reward

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

EPS GrowthGrowth
-3.6%2/10

Earnings declined 3.6%

Free Cash FlowQuality
$-147.70M2/10

Negative free cash flow — burning cash

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 44.0% and operating margin at 48.0%. PEG of 0.80 suggests the stock is reasonably priced for its growth.

Bull Case : WLFC

The strongest argument for WLFC centers on P/E Ratio, Operating Margin, PEG Ratio. Profitability is solid with margins at 18.2% and operating margin at 45.6%. Revenue growth of 26.1% demonstrates continued momentum.

Bear Case : AER

The primary concerns for AER are Free Cash Flow, Altman Z-Score.

Bear Case : WLFC

The primary concerns for WLFC are Market Cap, Piotroski F-Score, EPS Growth. Debt-to-equity of 3.14 is elevated, increasing financial risk.

Key Dynamics to Monitor

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

AER carries more volatility with a beta of 0.96 — expect wider price swings.

WLFC is growing revenue faster at 26.1% — sustainability is the question.

WLFC generates stronger free cash flow (-148M), providing more financial flexibility.

Bottom Line

AER scores higher overall (79/100 vs 71/100), backed by strong 44.0% margins. 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.

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.

Willis Lease Finance Corporation

INDUSTRIALS · RENTAL & LEASING SERVICES · USA

Willis Lease Finance Corporation is a global lessor and manager of commercial aircraft and aircraft engines. The company is headquartered in Coconut Creek, Florida.

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