American Tower Corp (AMT)vsSL Green Realty Corp (SLG)
AMT
American Tower Corp
$194.12
+0.11%
REAL ESTATE · Cap: $86.44B
SLG
SL Green Realty Corp
$47.83
+1.51%
REAL ESTATE · Cap: $3.94B
Smart Verdict
WallStSmart Research — data-driven comparison
American Tower Corp generates 1054% more annual revenue ($10.82B vs $937.37M). AMT leads profitability with a 26.8% profit margin vs -16.2%. SLG appears more attractively valued with a PEG of 1.30. AMT earns a higher WallStSmart Score of 72/100 (B).
AMT
Strong Buy72
out of 100
Grade: B
SLG
Hold37
out of 100
Grade: F
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
+7.0%
Fair Value
$194.13
Current Price
$194.12
$0.01 discount
Intrinsic value data unavailable for SLG.
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Every $100 of equity generates 79 in profit
Strong operational efficiency at 45.9%
Earnings expanding 76.9% YoY
Large-cap with strong market position
Keeps 27 of every $100 in revenue as profit
Reasonable price relative to book value
Areas to Watch
Expensive relative to growth rate
Moderate valuation
Trading at 25.7x book value
Distress zone — elevated risk
Operating margin of 1.3%
Elevated debt levels
Weak financial health signals
ROE of -3.5% — below average capital efficiency
Comparative Analysis Report
WallStSmart ResearchBull Case : AMT
The strongest argument for AMT centers on Return on Equity, Operating Margin, EPS Growth. Profitability is solid with margins at 26.8% and operating margin at 45.9%.
Bull Case : SLG
The strongest argument for SLG centers on Price/Book. PEG of 1.30 suggests the stock is reasonably priced for its growth.
Bear Case : AMT
The primary concerns for AMT are PEG Ratio, P/E Ratio, Price/Book. Debt-to-equity of 12.36 is elevated, increasing financial risk.
Bear Case : SLG
The primary concerns for SLG are Operating Margin, Debt/Equity, Piotroski F-Score. Debt-to-equity of 1.75 is elevated, increasing financial risk.
Key Dynamics to Monitor
AMT profiles as a mature stock while SLG is a turnaround play — different risk/reward profiles.
SLG carries more volatility with a beta of 1.60 — expect wider price swings.
AMT is growing revenue faster at 6.8% — sustainability is the question.
AMT generates stronger free cash flow (951M), providing more financial flexibility.
Bottom Line
AMT scores higher overall (72/100 vs 37/100), backed by strong 26.8% margins. Both earn "Strong Buy" and "Hold" 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.
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