Effective Interest Rate on Debt % is the usage rate that a borrower actually pays on a debt. It is calculated as the positive value of Interest Expense divided by its average total debt. Total debt equals to Long-Term Debt & Capital Lease Obligation plus Short-Term Debt & Capital Lease Obligation. American Tower's annualized positive value of Interest Expense for the quarter that ended in Mar. 2026 was $1,389 Mil. American Tower's average total debt for the quarter that ended in Mar. 2026 was $45,048 Mil. Therefore, American Tower's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 was 3.08%.
American Tower (NYSE:AMT) Effective Interest Rate on Debt % Explanation
Effective Interest Rate on Debt % measures the usage rate that a borrower actually pays on a debt.
American Tower Effective Interest Rate on Debt % Related Terms
American Tower Effective Interest Rate on Debt % Historical Data
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The historical data trend for American Tower's Effective Interest Rate on Debt % can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
American Tower Effective Interest Rate on Debt % Chart
AMT vs DLR, EQIX, IRM: Effective Interest Rate on Debt % Comparison
For the REIT - Specialty subindustry, American Tower's Effective Interest Rate on Debt %, along with its competitors' market caps and Effective Interest Rate on Debt % data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
American Tower Effective Interest Rate on Debt % vs REITs Industry
For the REITs industry and Real Estate sector, American Tower's Effective Interest Rate on Debt % distribution charts can be found below:
* The bar in red indicates where American Tower's Effective Interest Rate on Debt % falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
In the calculation of annual Effective Interest Rate on Debt %, the Interest Expense of the last fiscal year and the average total debt over the fiscal year are used. In calculating the quarterly data,
the Interest Expense data used here is four times the quarterly (Mar. 2026) interest expense data.
Effective Interest Rate on Debt % is displayed in the 30-year financial page.
What does a Effective Interest Rate on Debt % of 3.08% mean?
American Tower (AMT) has a Effective Interest Rate on Debt % of 3.08% as of Mar. 2026. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on American Tower and its competitors.
Is American Tower's Effective Interest Rate on Debt % too high?
American Tower's current Effective Interest Rate on Debt % is 3.08%. Overall, American Tower has a GF Score™ of 77/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does American Tower's Effective Interest Rate on Debt % compare to DLR and EQIX?
American Tower's Effective Interest Rate on Debt % of 3.08% can be compared against companies in the REITs industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Effective Interest Rate on Debt % for a REITs company?
A good Effective Interest Rate on Debt % depends on the REITs industry context. However, Effective Interest Rate on Debt % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Effective Interest Rate on Debt % mean?
A high Effective Interest Rate on Debt % can signal that a stock is expensive relative to its fundamentals. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on American Tower and its competitors. American Tower's current Effective Interest Rate on Debt % is 3.08%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is American Tower stock overvalued right now?
Based on GuruFocus' analysis, American Tower (AMT) is currently considered Modestly Undervalued. The stock's GF Value™ is $207.32, compared to a current price of $166.03 — trading 19.9% below its estimated fair value. The current Effective Interest Rate on Debt % is 3.08%. American Tower's overall GF Score™ is 77/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Effective Interest Rate on Debt % calculated?
Effective Interest Rate on Debt % is calculated from a company's financial statements. For American Tower (AMT), the current Effective Interest Rate on Debt % is 3.08% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is American Tower (AMT) Overvalued in 2026?
Based on GuruFocus' analysis, American Tower stock appears to be undervalued.
The current stock price of $166.03 is trading 19.9% below its estimated GF Value™ of $207.32.
GuruFocus considers American Tower to be Modestly Undervalued.
Key valuation signals for AMT:
Effective Interest Rate on Debt %: 3.08%
GF Value™: $207.32 vs. price of $166.03 (19.9% below fair value)
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 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.
77GF Score
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