WallStSmart

American Tower Corp (AMT)vsInteractive Brokers Group Inc (IBKR)

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Smart Verdict

WallStSmart Research — data-driven comparison

American Tower Corp generates 68% more annual revenue ($10.82B vs $6.45B). AMT leads profitability with a 26.8% profit margin vs 16.1%. AMT appears more attractively valued with a PEG of 1.97. AMT earns a higher WallStSmart Score of 72/100 (B).

AMT

Strong Buy

72

out of 100

Grade: B

Growth: 6.7Profit: 9.0Value: 6.0Quality: 3.8
Piotroski: 4/9Altman Z: 0.33

IBKR

Buy

64

out of 100

Grade: C+

Growth: 8.7Profit: 7.5Value: 4.3Quality: 5.3
Piotroski: 2/9
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

AMTUndervalued (+17.6%)

Margin of Safety

+17.6%

Fair Value

$219.10

Current Price

$182.71

$36.39 discount

UndervaluedFair: $219.10Overvalued

Intrinsic value data unavailable for IBKR.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AMT5 strengths · Avg: 9.4/10
Operating MarginProfitability
45.3%10/10

Strong operational efficiency at 45.3%

EPS GrowthGrowth
76.9%10/10

Earnings expanding 76.9% YoY

Market CapQuality
$85.12B9/10

Large-cap with strong market position

Return on EquityProfitability
29.9%9/10

Every $100 of equity generates 30 in profit

Profit MarginProfitability
26.8%9/10

Keeps 27 of every $100 in revenue as profit

IBKR6 strengths · Avg: 9.0/10
Operating MarginProfitability
76.8%10/10

Strong operational efficiency at 76.8%

Debt/EquityHealth
0.0010/10

Conservative balance sheet, low leverage

Market CapQuality
$135.17B9/10

Large-cap with strong market position

Return on EquityProfitability
23.6%9/10

Every $100 of equity generates 24 in profit

Revenue GrowthGrowth
16.8%8/10

16.8% revenue growth

EPS GrowthGrowth
21.6%8/10

Earnings expanding 21.6% YoY

Areas to Watch

AMT4 concerns · Avg: 3.0/10
PEG RatioValuation
1.974/10

Expensive relative to growth rate

P/E RatioValuation
29.5x4/10

Moderate valuation

Price/BookValuation
24.2x2/10

Trading at 24.2x book value

Altman Z-ScoreHealth
0.332/10

Distress zone — elevated risk

IBKR3 concerns · Avg: 3.7/10
PEG RatioValuation
2.084/10

Expensive relative to growth rate

P/E RatioValuation
34.1x4/10

Premium valuation, high expectations priced in

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

Comparative Analysis Report

WallStSmart Research

Bull Case : AMT

The strongest argument for AMT centers on Operating Margin, EPS Growth, Market Cap. Profitability is solid with margins at 26.8% and operating margin at 45.3%.

Bull Case : IBKR

The strongest argument for IBKR centers on Operating Margin, Debt/Equity, Market Cap. Profitability is solid with margins at 16.1% and operating margin at 76.8%. Revenue growth of 16.8% demonstrates continued momentum.

Bear Case : AMT

The primary concerns for AMT are PEG Ratio, P/E Ratio, Price/Book.

Bear Case : IBKR

The primary concerns for IBKR are PEG Ratio, P/E Ratio, Piotroski F-Score.

Key Dynamics to Monitor

AMT profiles as a mature stock while IBKR is a growth play — different risk/reward profiles.

IBKR carries more volatility with a beta of 1.26 — expect wider price swings.

IBKR is growing revenue faster at 16.8% — sustainability is the question.

IBKR generates stronger free cash flow (1.6B), providing more financial flexibility.

Bottom Line

AMT scores higher overall (72/100 vs 64/100), backed by strong 26.8% margins. 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.

American Tower Corp

REAL ESTATE · REIT - SPECIALTY · USA

American Tower Corporation (also referred to as American Tower or ATC) is an American real estate investment trust and an owner and operator of wireless and broadcast communications infrastructure in several countries worldwide and is headquartered in Boston, Massachusetts.

Interactive Brokers Group Inc

FINANCIAL SERVICES · CAPITAL MARKETS · USA

Interactive Brokers Group, Inc. is a global automated electronic broker. The company is headquartered in Greenwich, Connecticut.

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