AMT (American Tower) Defensive Interval Ratio

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Vera Yuan
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Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
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Charlie Tian
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Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

AMT American Tower Corp AMT
79 GF Score
Price $169.50
GF Value $207.41
Valuation Modestly Undervalued
! 5 Warning Signs
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What is American Tower Defensive Interval Ratio?

AMT
79GF Score
American Tower Corp AMT
Defensive Interval Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Is American Tower (AMT) Overvalued in 2026?

Based on GuruFocus' analysis, American Tower stock appears to be undervalued. The current stock price of $169.50 is trading 18.3% below its estimated GF Value™ of $207.41. GuruFocus considers American Tower to be Modestly Undervalued.

Key valuation signals for AMT:

  • Defensive Interval Ratio:
  • GF Value™: $207.41 vs. price of $169.50 (18.3% below fair value)
  • GF Score™: 79/100 with 5 warning signs

No single metric tells the full story. See the AMT stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


American Tower Business Description

Industry Real EstateREITs
Address 222 Berkeley Street, 7th Floor, Boston, MA, USA, 02116
American Tower owns and operates about 150,000 wireless towers throughout the US, Asia, Latin America, Europe, and Africa. It also owns and/or operates 30 data centers in 11 US markets through its CoreSite segment. The company's customer base in the tower business is very concentrated, with most revenue in each market generated by the top three or four mobile carriers. The company operates 42,000 towers in the US, which accounted for about half of total revenue in 2025. Outside the US, American Tower operates about 47,000 towers in Latin America (dominated by Brazil), 33,000 towers in Europe, and 28,000 towers in Africa. American Tower operates as a REIT.
79GF Score

Get the complete analysis for AMT

Defensive Interval Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$169.50
Price
$207.41
GF Value