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.
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.
Terna SpAMEX:TRN1N 85 PEG Ratio is 0.00 as of Aug. 16, 2026. GuruFocus rates MEX:TRN1N with a GF Score™ of 85/100. The stock has 3 warning signs investors should review. Among 296 Utilities - Regulated companies, Terna SpA ranks better than 50% on this metric.
PE Ratio without NRI / 5-Year EBITDA Growth Rate*
PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The growth rate we use is the 5-Year EBITDA growth rate. As of today, Terna SpA's PE Ratio without NRI is 0.00. Terna SpA's 5-Year EBITDA growth rate is 10.10%. Therefore, Terna SpA's PEG Ratio for today is 0.00.
* The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
The historical rank and industry rank for Terna SpA's PEG Ratio or its related term are showing as below:
MEX:TRN1N'
s PEG Ratio Range Over the Past 10 Years
Min: 1.49 Med: 3.75 Max: 201.13
Current: 1.74
During the past 13 years, Terna SpA's highest PEG Ratio was 201.13. The lowest was 1.49. And the median was 3.75.
MEX:TRN1N's PEG Ratio is ranked better than 50% of 296
companies
in the Utilities - Regulated industry
Industry Median: 1.755
vs MEX:TRN1N: 1.74
Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.
To compare stocks with different growth rates, Peter Lynch invented a ratio called PEG Ratio. PEG Ratio is defined as the P/E ratio divided by the growth ratio. He thinks a company with a P/E ratio equal to its growth rate is fairly valued. Still he said he would rather buy a company growing 20% a year with a P/E of 20, instead of a company growing 10% a year with a P/E of 10.
Terna SpA PEG Ratio Related Terms
Terna SpA PEG Ratio Historical Data
* Premium members only.
The historical data trend for Terna SpA's PEG 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.
For the Utilities - Regulated Electric subindustry, Terna SpA's PEG Ratio, along with its competitors' market caps and PEG 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.
Terna SpA PEG Ratio vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Terna SpA's PEG Ratio distribution charts can be found below:
* The bar in red indicates where Terna SpA's PEG Ratio 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.
* Note: The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
Terna SpA (MEX:TRN1N) has a PEG Ratio of 0.00 as of Aug. 16, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Terna SpA and its competitors. Over the past decade, Terna SpA's PEG Ratio has ranged from 1.49 to 201.13. According to the industry distribution chart, Terna SpA ranks #148 out of 296 companies in the Utilities - Regulated industry, placing it in the top 50%.
Is Terna SpA's PEG Ratio too high?
Terna SpA's current PEG Ratio is 0.00. Over the past 10 years, this metric has ranged from a low of 1.49 to a high of 201.13. Based on the distribution chart, Terna SpA ranks #148 out of 296 companies in the Utilities - Regulated industry, which is above the industry midpoint. Overall, Terna SpA has a GF Score™ of 85/100, reflecting its overall financial health beyond just this single metric.
How does Terna SpA's PEG Ratio compare to NEE and SO?
According to the Utilities - Regulated industry distribution chart, Terna SpA ranks #148 out of 296 companies for PEG Ratio. This puts Terna SpA in the upper half of its industry. The industry median PEG Ratio is 1.76. Historically, Terna SpA's own PEG Ratio has ranged from 1.49 to 201.13 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PEG Ratio for an Utilities - Regulated company?
The median PEG Ratio among Utilities - Regulated companies is 1.76, based on 296 companies in the industry. Companies in the top quartile (top 25%) have a PEG Ratio significantly above this median, while those in the bottom quartile fall well below. However, PEG Ratio 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 PEG Ratio mean?
A high PEG Ratio can signal that a stock is expensive relative to its fundamentals. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Terna SpA and its competitors. For the Utilities - Regulated industry, the median PEG Ratio is 1.76 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Terna SpA's current PEG Ratio is 0.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Terna SpA stock overvalued right now?
Terna SpA (MEX:TRN1N) has a current PEG Ratio of 0.00. The current PEG Ratio is 0.00. Terna SpA's overall GF Score™ is 85/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PEG Ratio calculated?
PEG Ratio is calculated from a company's financial statements. For Terna SpA (MEX:TRN1N), the current PEG Ratio is 0.00 as of Aug. 16, 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.
Terna SpA is an electricity transmission system operator that owns virtually all of the Italian National Transmission Grid. With a monopoly under an Italian government license, Terna transmits and dispatches electricity throughout the country. It is also responsible for the planning, construction, and maintenance of the nation's electrical grid. Terna segments its operations into its Regulated Activities, Non-Regulated Activities, and International Activities. The company generates the vast majority of its revenue from charging transmission fees as a part of its Regulated Activities. Under its Non-Regulated Activities, Terna mainly produces and sells electricity transformers. The company has also made efforts to expand its operations into Italy's neighboring countries and North Africa.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
MEX:TRN1N has been successfully added to your 
