American Tower Corp (AMT)vsRealty Income Corporation (O)
AMT
American Tower Corp
$167.27
-1.81%
REAL ESTATE · Cap: $78.31B
O
Realty Income Corporation
$60.06
-0.66%
REAL ESTATE · Cap: $56.58B
Smart Verdict
WallStSmart Research — data-driven comparison
American Tower Corp generates 85% more annual revenue ($10.64B vs $5.76B). AMT leads profitability with a 23.8% profit margin vs 18.4%. AMT appears more attractively valued with a PEG of 1.95. O earns a higher WallStSmart Score of 64/100 (C+).
AMT
Buy62
out of 100
Grade: C+
O
Buy64
out of 100
Grade: C+
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-391.5%
Fair Value
$36.72
Current Price
$167.27
$130.55 premium
Margin of Safety
-17.8%
Fair Value
$54.76
Current Price
$60.06
$5.30 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Strong operational efficiency at 44.9%
Large-cap with strong market position
Every $100 of equity generates 26 in profit
Keeps 24 of every $100 in revenue as profit
Reasonable price relative to book value
Strong operational efficiency at 47.0%
Large-cap with strong market position
Earnings expanding 41.2% YoY
Generating 1.2B in free cash flow
Areas to Watch
Expensive relative to growth rate
Premium valuation, high expectations priced in
Trading at 21.4x book value
Earnings declined 33.2%
ROE of 2.7% — below average capital efficiency
Weak financial health signals
Expensive relative to growth rate
Premium valuation, high expectations priced in
Comparative Analysis Report
WallStSmart ResearchBull Case : AMT
The strongest argument for AMT centers on Operating Margin, Market Cap, Return on Equity. Profitability is solid with margins at 23.8% and operating margin at 44.9%.
Bull Case : O
The strongest argument for O centers on Price/Book, Operating Margin, Market Cap. Profitability is solid with margins at 18.4% and operating margin at 47.0%. Revenue growth of 11.0% demonstrates continued momentum.
Bear Case : AMT
The primary concerns for AMT are PEG Ratio, P/E Ratio, Price/Book.
Bear Case : O
The primary concerns for O are Return on Equity, Piotroski F-Score, PEG Ratio. A P/E of 51.7x leaves little room for execution misses.
Key Dynamics to Monitor
AMT carries more volatility with a beta of 0.91 — expect wider price swings.
O is growing revenue faster at 11.0% — sustainability is the question.
O generates stronger free cash flow (1.2B), providing more financial flexibility.
Monitor REIT - SPECIALTY industry trends, competitive dynamics, and regulatory changes.
Bottom Line
O scores higher overall (64/100 vs 62/100), backed by strong 18.4% margins and 11.0% revenue growth. Both earn "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.
Realty Income Corporation
REAL ESTATE · REIT - RETAIL · USA
Realty Income Corporation is a real estate investment trust that invests in free-standing, single-tenant commercial properties in the United States, Puerto Rico, and the United Kingdom that are subject to NNN Leases. The company is organized in Maryland with its headquarters in San Diego, California.
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