American Tower Corp (AMT)vsSun Life Financial Inc. (SLF)
AMT
American Tower Corp
$182.71
+2.54%
REAL ESTATE · Cap: $85.12B
SLF
Sun Life Financial Inc.
$72.08
+2.23%
FINANCIAL SERVICES · Cap: $39.07B
Smart Verdict
WallStSmart Research — data-driven comparison
Sun Life Financial Inc. generates 222% more annual revenue ($34.88B vs $10.82B). AMT leads profitability with a 26.8% profit margin vs 10.2%. SLF appears more attractively valued with a PEG of 1.18. AMT earns a higher WallStSmart Score of 72/100 (B).
AMT
Strong Buy72
out of 100
Grade: B
SLF
Strong Buy67
out of 100
Grade: B-
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
+17.6%
Fair Value
$219.10
Current Price
$182.71
$36.39 discount
Intrinsic value data unavailable for SLF.
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Strong operational efficiency at 45.3%
Earnings expanding 76.9% YoY
Large-cap with strong market position
Every $100 of equity generates 30 in profit
Keeps 27 of every $100 in revenue as profit
Earnings expanding 240.9% YoY
Attractively priced relative to earnings
Reasonable price relative to book value
Generating 5.3B in free cash flow
Areas to Watch
Expensive relative to growth rate
Moderate valuation
Trading at 24.2x book value
Distress zone — elevated risk
4.7% revenue growth
Comparative Analysis Report
WallStSmart ResearchBull 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 : SLF
The strongest argument for SLF centers on EPS Growth, P/E Ratio, Price/Book. PEG of 1.18 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.
Bear Case : SLF
The primary concerns for SLF are Revenue Growth.
Key Dynamics to Monitor
AMT profiles as a mature stock while SLF is a value play — different risk/reward profiles.
AMT carries more volatility with a beta of 0.93 — expect wider price swings.
AMT is growing revenue faster at 6.8% — sustainability is the question.
SLF generates stronger free cash flow (5.3B), providing more financial flexibility.
Bottom Line
AMT scores higher overall (72/100 vs 67/100), backed by strong 26.8% 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.
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.
Sun Life Financial Inc.
FINANCIAL SERVICES · INSURANCE - DIVERSIFIED · USA
Sun Life Financial Inc., a financial services company, provides insurance, wealth and asset management solutions to individuals and corporate clients around the world. The company is headquartered in Toronto, Canada.
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