Terna SpA (MIL:TRN) PEG Ratio: 1.84 (As of Jul. 06, 2026) — 51% Below Median


MIL:TRN Terna SpA MIL:TRN
84 GF Score
Price €10.30
GF Value €9.88
Valuation Fairly Valued
! 3 Warning Signs
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What is Terna SpA PEG Ratio?

Terna SpA MIL:TRN +0.83% 84 PEG Ratio is 1.84 as of Jul. 06, 2026, which is 51% below its 10-year median of 3.75. GuruFocus rates MIL:TRN with a GF Score™ of 84/100 and a GF Value™ of €9.88 (Fairly Valued). The stock has 3 warning signs investors should review. Among 300 Utilities - Regulated companies, Terna SpA ranks worse than 51.33% 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 18.59. Terna SpA's 5-Year EBITDA growth rate is 10.10%. Therefore, Terna SpA's PEG Ratio for today is 1.84.

* 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:

MIL:TRN' s PEG Ratio Range Over the Past 10 Years
Min: 1.49   Med: 3.75   Max: 201.13
Current: 1.84


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.


MIL:TRN's PEG Ratio is ranked worse than
51.33% of 300 companies
in the Utilities - Regulated industry
Industry Median: 1.71 vs MIL:TRN: 1.84

Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.


Terna SpA  (MIL:TRN) PEG Ratio Explanation

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.

Terna SpA PEG Ratio Chart

Terna SpA Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
PEG Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 3.83 3.17 2.89 1.69 1.53

Terna SpA Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
PEG Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 1.73 1.64 1.53 1.53 1.57

MIL:TRN vs NEE, SO, DUK: PEG Ratio Comparison

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.


MIL:TRN
84GF Score
Terna SpA MIL:TRN
PEG Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Terna SpA PEG Ratio Calculation

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The ratio we use is the 5-Year EBITDA growth rate.

Terna SpA's PEG Ratio for today is calculated as

PEG Ratio=PE Ratio without NRI/5-Year EBITDA Growth Rate*
=18.592057761733/10.10
=1.84

* 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.

Frequently Asked Questions Learn more about PEG Ratio →
What does a PEG Ratio of 1.84 mean?
Terna SpA (MIL:TRN) has a PEG Ratio of 1.84 as of Jul. 06, 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. This is 51% below median its historical median of 3.75. 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 #154 out of 300 companies in the Utilities - Regulated industry, placing it in the top 51.3%.
Is Terna SpA's PEG Ratio too high?
Terna SpA's current PEG Ratio of 1.84 is 51% below median its 10-year median of 3.75. Over the past 10 years, this metric has ranged from a low of 1.49 to a high of 201.13. The Utilities - Regulated industry median PEG Ratio is 1.71. Terna SpA's value of 1.84 is 7.6% above this industry median. Based on the distribution chart, Terna SpA ranks #154 out of 300 companies in the Utilities - Regulated industry, which is below the industry midpoint. Overall, Terna SpA has a GF Score™ of 84/100 and is considered Fairly Valued, 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 #154 out of 300 companies for PEG Ratio. This places Terna SpA in the lower half of its industry. The industry median PEG Ratio is 1.71. Terna SpA's value of 1.84 is 7.6% above this benchmark. Historically, Terna SpA's own PEG Ratio has ranged from 1.49 to 201.13 over the past decade. While the company's 10-year median is 3.75 vs. the industry median of 1.71, Terna SpA 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 PEG Ratio for an Utilities - Regulated company?
The median PEG Ratio among Utilities - Regulated companies is 1.71, based on 300 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. Terna SpA's current PEG Ratio of 1.84 is 7.6% 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 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 1.71 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Terna SpA's current PEG Ratio is 1.84, which is 51% below median its own 10-year median of 3.75. 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?
Based on GuruFocus' analysis, Terna SpA (MIL:TRN) is currently considered Fairly Valued. The stock's GF Value™ is €9.88, compared to a current price of €10.30 — trading 4.3% above its estimated fair value. The current PEG Ratio is 1.84, which is 51% below median its 10-year median of 3.75 and 7.6% above the Utilities - Regulated industry median of 1.71. Terna SpA's overall GF Score™ is 84/100 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 (MIL:TRN), the current PEG Ratio is 1.84 as of Jul. 06, 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 Terna SpA (MIL:TRN) Overvalued in 2026?

Based on GuruFocus' analysis, Terna SpA stock appears to be overvalued. The current stock price of €10.30 is trading 4.3% above its estimated GF Value™ of €9.88. GuruFocus considers Terna SpA to be Fairly Valued.

Key valuation signals for MIL:TRN:

  • PEG Ratio: 1.84 (51% below median its 10-year median of 3.75)
  • GF Value™: €9.88 vs. price of €10.30 (4.3% above fair value)
  • GF Score™: 84/100 with 3 warning signs
  • Industry Position: 7.6% above the Utilities - Regulated median (#154 of 300)

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


Terna SpA Business Description

Address Viale Egidio Galbani 70, Rome, ITA, 00156
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.
84GF Score

Get the complete analysis for MIL:TRN

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

€10.30
Price
€9.88
GF Value