Terna SpA (MIL:TRN) Cyclically Adjusted PB Ratio: 3.49 (As of Jul. 29, 2026) — Near Median

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MIL:TRN Terna SpA MIL:TRN
84 GF Score
Price €10.23
GF Value €9.94
Valuation Fairly Valued
! 3 Warning Signs
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What is Terna SpA Cyclically Adjusted PB Ratio?

Terna SpA MIL:TRN -1.02% 84 Cyclically Adjusted PB Ratio is 3.49 as of Jul. 29, 2026, which is 9% above its 10-year median of 3.19. GuruFocus rates MIL:TRN with a GF Score™ of 84/100 and a GF Value™ of €9.94 (Fairly Valued). The stock has 3 warning signs investors should review. Among 439 Utilities - Regulated companies, Terna SpA ranks worse than 89.07% on this metric.

As of today (2026-07-29), Terna SpA's current share price is €10.225. Terna SpA's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was €2.93. Terna SpA's Cyclically Adjusted PB Ratio for today is 3.49.

The historical rank and industry rank for Terna SpA's Cyclically Adjusted PB Ratio or its related term are showing as below:

MIL:TRN' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 2.61   Med: 3.19   Max: 3.97
Current: 3.53

During the past years, Terna SpA's highest Cyclically Adjusted PB Ratio was 3.97. The lowest was 2.61. And the median was 3.19.

MIL:TRN's Cyclically Adjusted PB Ratio is ranked worse than
89.07% of 439 companies
in the Utilities - Regulated industry
Industry Median: 1.53 vs MIL:TRN: 3.53

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 PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

Terna SpA's adjusted book value per share data for the three months ended in Mar. 2026 was €4.438. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is €2.93 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Terna SpA  (MIL:TRN) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value 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 PB Ratio should give similar results to regular PB Ratio.


Terna SpA Cyclically Adjusted PB Ratio Related Terms


Terna SpA Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Terna SpA's Cyclically Adjusted PB 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 Cyclically Adjusted PB Ratio Chart

Terna SpA Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 3.59 2.93 3.01 2.81 3.20

Terna SpA Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted PB 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 3.11 3.18 3.09 3.20 3.36

MIL:TRN vs NEE, SO, DUK: Cyclically Adjusted PB Ratio Comparison

For the Utilities - Regulated Electric subindustry, Terna SpA's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB 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 Cyclically Adjusted PB Ratio vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, Terna SpA's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Terna SpA's Cyclically Adjusted PB Ratio falls into.


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

Terna SpA Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB 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 PB Ratio.

Terna SpA's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=10.225/2.93
=3.49

* 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's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Terna SpA's adjusted Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book=Book Value per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=4.438/124.5600*124.5600
=4.438

Current CPI (Mar. 2026) = 124.5600.

Terna SpA Quarterly Data

Book Value per Share CPI Adj_Book
201606 1.674 99.900 2.087
201609 1.754 100.100 2.183
201612 1.759 100.300 2.184
201703 1.850 101.000 2.282
201706 1.802 101.100 2.220
201709 1.888 101.200 2.324
201712 1.892 101.200 2.329
201803 1.979 101.800 2.421
201806 1.912 102.400 2.326
201809 2.007 102.600 2.437
201812 2.000 102.300 2.435
201903 2.071 102.800 2.509
201906 1.972 103.100 2.382
201909 2.035 102.900 2.463
201912 2.085 102.800 2.526
202003 2.154 102.900 2.607
202006 2.073 102.900 2.509
202009 2.158 102.300 2.628
202012 2.176 102.600 2.642
202103 2.287 103.700 2.747
202106 2.210 104.200 2.642
202109 2.312 104.900 2.745
202112 2.333 106.600 2.726
202203 2.980 110.400 3.362
202206 2.916 112.500 3.229
202209 3.039 114.200 3.315
202212 3.062 119.000 3.205
202303 3.157 118.800 3.310
202306 3.053 119.700 3.177
202309 3.160 120.300 3.272
202312 3.153 119.700 3.281
202403 3.279 120.200 3.398
202406 3.622 120.700 3.738
202409 3.731 121.200 3.834
202412 3.751 121.200 3.855
202503 3.881 122.500 3.946
202506 3.741 122.700 3.798
202509 3.873 123.100 3.919
202512 3.885 122.600 3.947
202603 4.438 124.560 4.438

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

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 PB Ratio of 3.49 mean?
Terna SpA (MIL:TRN) has a Cyclically Adjusted PB Ratio of 3.49 as of Jul. 29, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Terna SpA and its competitors. This is near median its historical median of 3.19. Over the past decade, Terna SpA's Cyclically Adjusted PB Ratio has ranged from 2.61 to 3.97. According to the industry distribution chart, Terna SpA ranks #391 out of 439 companies in the Utilities - Regulated industry, placing it in the top 89.1%.
Is Terna SpA's Cyclically Adjusted PB Ratio too high?
Terna SpA's current Cyclically Adjusted PB Ratio of 3.49 is near median its 10-year median of 3.19. Over the past 10 years, this metric has ranged from a low of 2.61 to a high of 3.97. The Utilities - Regulated industry median Cyclically Adjusted PB Ratio is 1.53. Terna SpA's value of 3.49 is 128.1% above this industry median. Based on the distribution chart, Terna SpA ranks #391 out of 439 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers. 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 Cyclically Adjusted PB Ratio compare to NEE and SO?
According to the Utilities - Regulated industry distribution chart, Terna SpA ranks #391 out of 439 companies for Cyclically Adjusted PB Ratio. This places Terna SpA in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.53. Terna SpA's value of 3.49 is 128.1% above this benchmark. Historically, Terna SpA's own Cyclically Adjusted PB Ratio has ranged from 2.61 to 3.97 over the past decade. While the company's 10-year median is 3.19 vs. the industry median of 1.53, 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 Cyclically Adjusted PB Ratio for an Utilities - Regulated company?
The median Cyclically Adjusted PB Ratio among Utilities - Regulated companies is 1.53, based on 439 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Terna SpA's current Cyclically Adjusted PB Ratio of 3.49 is 128.1% 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 PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Terna SpA and its competitors. For the Utilities - Regulated industry, the median Cyclically Adjusted PB Ratio is 1.53 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Terna SpA's current Cyclically Adjusted PB Ratio is 3.49, which is near median its own 10-year median of 3.19. 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 €9.94, compared to a current price of €10.23 — trading 2.9% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 3.49, which is near median its 10-year median of 3.19 and 128.1% above the Utilities - Regulated industry median of 1.53. 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 Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Terna SpA (MIL:TRN), the current Cyclically Adjusted PB Ratio is 3.49 as of Jul. 29, 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 €10.23 is trading 2.9% above its estimated GF Value™ of €9.94. GuruFocus considers Terna SpA to be Fairly Valued.

Key valuation signals for MIL:TRN:

  • Cyclically Adjusted PB Ratio: 3.49 (near median its 10-year median of 3.19)
  • GF Value™: €9.94 vs. price of €10.23 (2.9% above fair value)
  • GF Score™: 84/100 with 3 warning signs
  • Industry Position: 128.1% above the Utilities - Regulated median (#391 of 439)

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

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

€10.23
Price
€9.94
GF Value