American TowerAMT -0.03%77 Cyclically Adjusted PS Ratio is 7.32 as of Jul. 05, 2026, which is 52% below its 10-year median of 15.16. GuruFocus rates AMT with a GF Score™ of 77/100 and a GF Value™ of $207.32 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 557 REITs companies, American Tower ranks worse than 63.38% on this metric.
The historical rank and industry rank for American Tower's Cyclically Adjusted PS Ratio or its related term are showing as below:
AMT'
s Cyclically Adjusted PS Ratio Range Over the Past 10 Years
Min: 7.32 Med: 15.16 Max: 21.79
Current: 7.32
During the past years, American Tower's highest Cyclically Adjusted PS Ratio was 21.79. The lowest was 7.32. And the median was 15.16.
AMT's Cyclically Adjusted PS Ratio is ranked worse than 63.38% of 557
companies
in the REITs industry
Industry Median: 5.88
vs AMT: 7.32
The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PS Ratio. The Cyclically Adjusted Revenue per Share is the average of the inflation adjusted revenue per share of a company over the past 10 years.
American Tower's adjusted revenue per share data for the three months ended in Mar. 2026 was $5.864. Add all the adjusted revenue per share for the past 10 years together and divide 10 will get our Cyclically Adjusted Revenue per Share, which is $22.67 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
American Tower (NYSE:AMT) Cyclically Adjusted PS Ratio Explanation
Compared with the regular PS Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PS Ratio smoothed out the fluctuations of revenue during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Cyclically Adjusted PS Ratio should give similar results to regular PS Ratio.
American Tower Cyclically Adjusted PS Ratio Related Terms
American Tower Cyclically Adjusted PS Ratio Historical Data
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The historical data trend for American Tower's Cyclically Adjusted PS Ratio 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.
AMT vs DLR, EQIX, IRM: Cyclically Adjusted PS Ratio Comparison
For the REIT - Specialty subindustry, American Tower's Cyclically Adjusted PS Ratio, along with its competitors' market caps and Cyclically Adjusted PS Ratio 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 Cyclically Adjusted PS Ratio vs REITs Industry
For the REITs industry and Real Estate sector, American Tower's Cyclically Adjusted PS Ratio distribution charts can be found below:
* The bar in red indicates where American Tower's Cyclically Adjusted PS Ratio falls into.
American Tower Cyclically Adjusted PS Ratio Calculation
Like the Shiller PE Ratio, the Cyclically Adjusted PS Ratio takes the Revenue per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/S calculation. Because it considers this 10-year average, it's often referred to as the CAPS Ratio.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PS Ratio.
American Tower's Cyclically Adjusted PS Ratio for today is calculated as
* 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.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
What does a Cyclically Adjusted PS Ratio of 7.32 mean?
American Tower (AMT) has a Cyclically Adjusted PS Ratio of 7.32 as of Jul. 05, 2026. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on American Tower and its competitors. This is 52% below median its historical median of 15.16. Over the past decade, American Tower's Cyclically Adjusted PS Ratio has ranged from 7.32 to 21.79. According to the industry distribution chart, American Tower ranks #353 out of 557 companies in the REITs industry, placing it in the top 63.4%.
Is American Tower's Cyclically Adjusted PS Ratio too high?
American Tower's current Cyclically Adjusted PS Ratio of 7.32 is 52% below median its 10-year median of 15.16. Over the past 10 years, this metric has ranged from a low of 7.32 to a high of 21.79. The REITs industry median Cyclically Adjusted PS Ratio is 5.88. American Tower's value of 7.32 is 24.5% above this industry median. Based on the distribution chart, American Tower ranks #353 out of 557 companies in the REITs industry, which is below the industry midpoint. 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 Cyclically Adjusted PS Ratio compare to DLR and EQIX?
According to the REITs industry distribution chart, American Tower ranks #353 out of 557 companies for Cyclically Adjusted PS Ratio. This places American Tower in the lower half of its industry. The industry median Cyclically Adjusted PS Ratio is 5.88. American Tower's value of 7.32 is 24.5% above this benchmark. Historically, American Tower's own Cyclically Adjusted PS Ratio has ranged from 7.32 to 21.79 over the past decade. While the company's 10-year median is 15.16 vs. the industry median of 5.88, American Tower has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PS Ratio for a REITs company?
The median Cyclically Adjusted PS Ratio among REITs companies is 5.88, based on 557 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PS Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PS Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. American Tower's current Cyclically Adjusted PS Ratio of 7.32 is 24.5% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PS Ratio mean?
A high Cyclically Adjusted PS Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on American Tower and its competitors. For the REITs industry, the median Cyclically Adjusted PS Ratio is 5.88 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. American Tower's current Cyclically Adjusted PS Ratio is 7.32, which is 52% below median its own 10-year median of 15.16. 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 Cyclically Adjusted PS Ratio is 7.32, which is 52% below median its 10-year median of 15.16 and 24.5% above the REITs industry median of 5.88. 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 Cyclically Adjusted PS Ratio calculated?
Cyclically Adjusted PS Ratio is calculated from a company's financial statements. For American Tower (AMT), the current Cyclically Adjusted PS Ratio is 7.32 as of Jul. 05, 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:
Cyclically Adjusted PS Ratio: 7.32 (52% below median its 10-year median of 15.16)
GF Value™: $207.32 vs. price of $166.03 (19.9% below fair value)
Industry Position: 24.5% above the REITs median (#353 of 557)
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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