REN-Redes Energeticas Nacionais Sgps (MEX:RENEN) Cyclically Adjusted PB Ratio: 1.49 (As of Aug. 11, 2026) — 24% Above Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

MEX:RENEN REN-Redes Energeticas Nacionais Sgps SA MEX:RENEN
87 GF Score
Price MXN45.23
GF Value MXN40.71
! 7 Warning Signs
View Full Analysis

What is REN-Redes Energeticas Nacionais Sgps Cyclically Adjusted PB Ratio?

REN-Redes Energeticas Nacionais Sgps MEX:RENEN 87 Cyclically Adjusted PB Ratio is 1.49 as of Aug. 11, 2026, which is 24% above its 10-year median of 1.20. GuruFocus rates MEX:RENEN with a GF Score™ of 87/100 and a GF Value™ of MXN40.71. The stock has 7 warning signs investors should review. Among 434 Utilities - Regulated companies, REN-Redes Energeticas Nacionais Sgps ranks better than 53.69% on this metric.

As of today (2026-08-11), REN-Redes Energeticas Nacionais Sgps's current share price is MXN45.23. REN-Redes Energeticas Nacionais Sgps's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was MXN30.31. REN-Redes Energeticas Nacionais Sgps's Cyclically Adjusted PB Ratio for today is 1.49.

The historical rank and industry rank for REN-Redes Energeticas Nacionais Sgps's Cyclically Adjusted PB Ratio or its related term are showing as below:

MEX:RENEN' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.9   Med: 1.2   Max: 1.58
Current: 1.39

During the past years, REN-Redes Energeticas Nacionais Sgps's highest Cyclically Adjusted PB Ratio was 1.58. The lowest was 0.90. And the median was 1.20.

MEX:RENEN's Cyclically Adjusted PB Ratio is ranked better than
53.69% of 434 companies
in the Utilities - Regulated industry
Industry Median: 1.515 vs MEX:RENEN: 1.39

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.

REN-Redes Energeticas Nacionais Sgps's adjusted book value per share data for the three months ended in Jun. 2026 was MXN49.229. 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 MXN30.31 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


REN-Redes Energeticas Nacionais Sgps  (MEX:RENEN) 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.


REN-Redes Energeticas Nacionais Sgps Cyclically Adjusted PB Ratio Related Terms


REN-Redes Energeticas Nacionais Sgps Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for REN-Redes Energeticas Nacionais Sgps'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.

REN-Redes Energeticas Nacionais Sgps Cyclically Adjusted PB Ratio Chart

REN-Redes Energeticas Nacionais Sgps 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 1.20 1.08 0.98 0.94 1.31

REN-Redes Energeticas Nacionais Sgps Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 1.23 1.24 1.31 1.50 1.49

MEX:RENEN vs SRE, AES: Cyclically Adjusted PB Ratio Comparison

For the Utilities - Diversified subindustry, REN-Redes Energeticas Nacionais Sgps'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.


REN-Redes Energeticas Nacionais Sgps Cyclically Adjusted PB Ratio vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, REN-Redes Energeticas Nacionais Sgps's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where REN-Redes Energeticas Nacionais Sgps's Cyclically Adjusted PB Ratio falls into.


MEX:RENEN
87GF Score
REN-Redes Energeticas Nacionais Sgps SA MEX:RENEN
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

REN-Redes Energeticas Nacionais Sgps 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.

REN-Redes Energeticas Nacionais Sgps's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=45.23/30.31
=1.49

* 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.

REN-Redes Energeticas Nacionais Sgps's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, REN-Redes Energeticas Nacionais Sgps's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=49.229/128.0300*128.0300
=49.229

Current CPI (Jun. 2026) = 128.0300.

REN-Redes Energeticas Nacionais Sgps Quarterly Data

Book Value per Share CPI Adj_Book
201609 43.500 101.122 55.075
201612 44.841 100.998 56.843
201703 42.123 101.924 52.912
201706 40.316 102.240 50.486
201709 44.084 102.527 55.049
201712 50.078 102.479 62.564
201803 48.666 102.626 60.713
201806 47.652 103.790 58.781
201809 46.742 103.960 57.564
201812 49.297 103.159 61.182
201903 48.666 103.495 60.203
201906 45.445 104.192 55.842
201909 46.815 103.844 57.719
201912 45.687 103.592 56.465
202003 56.193 103.544 69.482
202006 53.404 104.323 65.540
202009 54.286 103.699 67.023
202012 51.357 103.354 63.618
202103 52.035 104.014 64.049
202106 48.358 104.852 59.048
202109 49.875 105.232 60.680
202112 49.267 106.191 59.399
202203 48.294 109.559 56.436
202206 45.390 114.003 50.975
202209 44.362 114.999 49.389
202212 47.249 116.377 51.980
202303 44.587 117.701 48.500
202306 41.226 117.872 44.779
202309 41.828 119.111 44.960
202312 42.198 118.032 45.772
202403 41.051 120.396 43.654
202406 43.272 121.165 45.724
202409 48.766 121.574 51.356
202412 51.094 121.585 53.802
202503 52.214 122.624 54.516
202506 48.406 124.042 49.962
202509 48.885 124.490 50.275
202512 48.451 124.240 49.929
202603 49.089 125.940 49.904
202606 49.229 128.030 49.229

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 1.49 mean?
REN-Redes Energeticas Nacionais Sgps (MEX:RENEN) has a Cyclically Adjusted PB Ratio of 1.49 as of Aug. 11, 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 REN-Redes Energeticas Nacionais Sgps and its competitors. This is 24% above median its historical median of 1.20. Over the past decade, REN-Redes Energeticas Nacionais Sgps' Cyclically Adjusted PB Ratio has ranged from 0.90 to 1.58. According to the industry distribution chart, REN-Redes Energeticas Nacionais Sgps ranks #201 out of 434 companies in the Utilities - Regulated industry, placing it in the top 46.3%.
Is REN-Redes Energeticas Nacionais Sgps' Cyclically Adjusted PB Ratio too high?
REN-Redes Energeticas Nacionais Sgps' current Cyclically Adjusted PB Ratio of 1.49 is 24% above median its 10-year median of 1.20. Over the past 10 years, this metric has ranged from a low of 0.90 to a high of 1.58. The Utilities - Regulated industry median Cyclically Adjusted PB Ratio is 1.52. REN-Redes Energeticas Nacionais Sgps' value of 1.49 is 1.7% below this industry median. Based on the distribution chart, REN-Redes Energeticas Nacionais Sgps ranks #201 out of 434 companies in the Utilities - Regulated industry, which is above the industry midpoint. Overall, REN-Redes Energeticas Nacionais Sgps has a GF Score™ of 87/100, reflecting its overall financial health beyond just this single metric.
How does REN-Redes Energeticas Nacionais Sgps' Cyclically Adjusted PB Ratio compare to SRE and AES?
According to the Utilities - Regulated industry distribution chart, REN-Redes Energeticas Nacionais Sgps ranks #201 out of 434 companies for Cyclically Adjusted PB Ratio. This puts REN-Redes Energeticas Nacionais Sgps in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.52. REN-Redes Energeticas Nacionais Sgps' value of 1.49 is 1.7% below this benchmark. Historically, REN-Redes Energeticas Nacionais Sgps' own Cyclically Adjusted PB Ratio has ranged from 0.90 to 1.58 over the past decade. While the company's 10-year median is 1.20 vs. the industry median of 1.52, REN-Redes Energeticas Nacionais Sgps has consistently been below 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 1.52, based on 434 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. REN-Redes Energeticas Nacionais Sgps's current Cyclically Adjusted PB Ratio of 1.49 is 1.7% below 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 REN-Redes Energeticas Nacionais Sgps and its competitors. For the Utilities - Regulated industry, the median Cyclically Adjusted PB Ratio is 1.52 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. REN-Redes Energeticas Nacionais Sgps's current Cyclically Adjusted PB Ratio is 1.49, which is 24% above median its own 10-year median of 1.20. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is REN-Redes Energeticas Nacionais Sgps stock overvalued right now?
REN-Redes Energeticas Nacionais Sgps (MEX:RENEN) has a current Cyclically Adjusted PB Ratio of 1.49. The stock's GF Value™ is MXN40.71, compared to a current price of MXN45.23 — trading 11.1% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.49, which is 24% above median its 10-year median of 1.20 and 1.7% below the Utilities - Regulated industry median of 1.52. REN-Redes Energeticas Nacionais Sgps' overall GF Score™ is 87/100 with 7 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 REN-Redes Energeticas Nacionais Sgps (MEX:RENEN), the current Cyclically Adjusted PB Ratio is 1.49 as of Aug. 11, 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 REN-Redes Energeticas Nacionais Sgps (MEX:RENEN) Overvalued in 2026?

Based on GuruFocus' analysis, REN-Redes Energeticas Nacionais Sgps stock appears to be overvalued. The current stock price of MXN45.23 is trading 11.1% above its estimated GF Value™ of MXN40.71.

Key valuation signals for MEX:RENEN:

  • Cyclically Adjusted PB Ratio: 1.49 (24% above median its 10-year median of 1.20)
  • GF Value™: MXN40.71 vs. price of MXN45.23 (11.1% above fair value)
  • GF Score™: 87/100 with 7 warning signs
  • Industry Position: 1.7% below the Utilities - Regulated median (#201 of 434)

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


REN-Redes Energeticas Nacionais Sgps Business Description

Address Avenida Estados Unidos da America, 55, Lisbon, PRT, 1749-061
REN-Redes Energeticas Nacionais Sgps SA is an energy and utility company that operates as the primary concession holder for electricity transmission and natural gas transportation in Portugal. It manages the national high-voltage electricity grid, high-pressure natural gas pipelines, LNG terminal, and underground storage, focusing on energy transition, sustainability, and security of supply. The Group presently has two main business segments, Electricity and Gas, and a secondary business of Telecommunications.
87GF Score

Get the complete analysis for MEX:RENEN

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

MXN45.23
Price
MXN40.71
GF Value