A2A SpA (MEX:A2AN) Cyclically Adjusted PB Ratio: 1.65 (As of Aug. 09, 2026) — Near Median

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MEX:A2AN A2A SpA MEX:A2AN
75 GF Score
Price MXN47.66
GF Value MXN51.45
! 4 Warning Signs
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What is A2A SpA Cyclically Adjusted PB Ratio?

A2A SpA MEX:A2AN 75 Cyclically Adjusted PB Ratio is 1.65 as of Aug. 09, 2026, which is 5% below its 10-year median of 1.74. GuruFocus rates MEX:A2AN with a GF Score™ of 75/100 and a GF Value™ of MXN51.45. The stock has 4 warning signs investors should review. Among 434 Utilities - Regulated companies, A2A SpA ranks worse than 57.83% on this metric.

As of today (2026-08-09), A2A SpA's current share price is MXN47.66. A2A SpA's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was MXN28.89. A2A SpA's Cyclically Adjusted PB Ratio for today is 1.65.

The historical rank and industry rank for A2A SpA's Cyclically Adjusted PB Ratio or its related term are showing as below:

MEX:A2AN' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.38   Med: 1.74   Max: 2.1
Current: 1.7

During the past years, A2A SpA's highest Cyclically Adjusted PB Ratio was 2.10. The lowest was 1.38. And the median was 1.74.

MEX:A2AN's Cyclically Adjusted PB Ratio is ranked worse than
57.83% of 434 companies
in the Utilities - Regulated industry
Industry Median: 1.515 vs MEX:A2AN: 1.70

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.

A2A SpA's adjusted book value per share data for the three months ended in Jun. 2026 was MXN38.226. 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 MXN28.89 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


A2A SpA  (MEX:A2AN) 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.


A2A SpA Cyclically Adjusted PB Ratio Related Terms


A2A SpA Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for A2A 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.

A2A SpA Cyclically Adjusted PB Ratio Chart

A2A 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 1.63 1.06 1.59 1.78 1.79

A2A SpA Quarterly Data
Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 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 1.82 1.75 1.79 1.83 1.65

MEX:A2AN vs SRE: Cyclically Adjusted PB Ratio Comparison

For the Utilities - Diversified subindustry, A2A 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.


A2A SpA Cyclically Adjusted PB Ratio vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, A2A SpA's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where A2A SpA's Cyclically Adjusted PB Ratio falls into.


MEX:A2AN
75GF Score
A2A SpA MEX:A2AN
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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A2A 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.

A2A SpA's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=47.66/28.89
=1.65

* 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.

A2A SpA's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, A2A SpA'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)
=38.226/126.4000*126.4000
=38.226

Current CPI (Jun. 2026) = 126.4000.

A2A SpA Quarterly Data

Book Value per Share CPI Adj_Book
201306 15.949 99.814 20.197
201309 16.545 100.000 20.913
201312 16.123 99.721 20.437
201403 16.477 99.907 20.846
201406 15.562 100.093 19.652
201409 15.671 99.814 19.845
201412 15.102 99.721 19.142
201503 14.326 99.814 18.142
201506 15.064 100.279 18.988
201509 16.694 100.000 21.101
201512 15.957 99.814 20.207
201603 16.897 99.600 21.444
201606 18.276 99.900 23.124
201609 19.648 100.100 24.810
201612 19.068 100.300 24.030
201706 17.892 101.100 22.369
201712 21.514 101.200 26.871
201806 21.905 102.400 27.039
201812 22.523 102.300 27.829
201906 21.341 103.100 26.164
201912 22.167 102.800 27.256
202006 26.861 102.900 32.995
202012 27.529 102.600 33.915
202106 28.220 104.200 34.232
202112 28.385 106.600 33.657
202206 26.793 112.500 30.103
202212 25.703 119.000 27.301
202306 23.009 119.700 24.297
202309 23.907 120.300 25.119
202312 25.052 119.700 26.454
202403 26.090 120.200 27.436
202406 32.549 120.700 34.086
202409 37.557 121.200 39.168
202412 38.576 121.200 40.231
202503 40.239 122.500 41.520
202506 38.554 122.700 39.717
202509 39.067 123.100 40.114
202512 39.873 122.600 41.109
202603 40.756 124.560 41.358
202606 38.226 126.400 38.226

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 1.65 mean?
A2A SpA (MEX:A2AN) has a Cyclically Adjusted PB Ratio of 1.65 as of Aug. 09, 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 A2A SpA and its competitors. This is near median its historical median of 1.74. Over the past decade, A2A SpA's Cyclically Adjusted PB Ratio has ranged from 1.38 to 2.10. According to the industry distribution chart, A2A SpA ranks #251 out of 434 companies in the Utilities - Regulated industry, placing it in the top 57.8%.
Is A2A SpA's Cyclically Adjusted PB Ratio too high?
A2A SpA's current Cyclically Adjusted PB Ratio of 1.65 is near median its 10-year median of 1.74. Over the past 10 years, this metric has ranged from a low of 1.38 to a high of 2.10. The Utilities - Regulated industry median Cyclically Adjusted PB Ratio is 1.52. A2A SpA's value of 1.65 is 8.9% above this industry median. Based on the distribution chart, A2A SpA ranks #251 out of 434 companies in the Utilities - Regulated industry, which is below the industry midpoint. Overall, A2A SpA has a GF Score™ of 75/100, reflecting its overall financial health beyond just this single metric.
How does A2A SpA's Cyclically Adjusted PB Ratio compare to SRE?
According to the Utilities - Regulated industry distribution chart, A2A SpA ranks #251 out of 434 companies for Cyclically Adjusted PB Ratio. This places A2A SpA in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.52. A2A SpA's value of 1.65 is 8.9% above this benchmark. Historically, A2A SpA's own Cyclically Adjusted PB Ratio has ranged from 1.38 to 2.10 over the past decade. While the company's 10-year median is 1.74 vs. the industry median of 1.52, A2A 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 1.52, 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. A2A SpA's current Cyclically Adjusted PB Ratio of 1.65 is 8.9% 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 A2A SpA 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. A2A SpA's current Cyclically Adjusted PB Ratio is 1.65, which is near median its own 10-year median of 1.74. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is A2A SpA stock overvalued right now?
A2A SpA (MEX:A2AN) has a current Cyclically Adjusted PB Ratio of 1.65. The stock's GF Value™ is MXN51.45, compared to a current price of MXN47.66 — trading 7.4% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.65, which is near median its 10-year median of 1.74 and 8.9% above the Utilities - Regulated industry median of 1.52. A2A SpA's overall GF Score™ is 75/100 with 4 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 A2A SpA (MEX:A2AN), the current Cyclically Adjusted PB Ratio is 1.65 as of Aug. 09, 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 A2A SpA (MEX:A2AN) Overvalued in 2026?

Based on GuruFocus' analysis, A2A SpA stock appears to be undervalued. The current stock price of MXN47.66 is trading 7.4% below its estimated GF Value™ of MXN51.45.

Key valuation signals for MEX:A2AN:

  • Cyclically Adjusted PB Ratio: 1.65 (near median its 10-year median of 1.74)
  • GF Value™: MXN51.45 vs. price of MXN47.66 (7.4% below fair value)
  • GF Score™: 75/100 with 4 warning signs
  • Industry Position: 8.9% above the Utilities - Regulated median (#251 of 434)

No single metric tells the full story. See the MEX:A2AN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


A2A SpA Business Description

Address Via Lamarmora 230, Brescia, ITA, 25124
A2A SpA together with its subsidiaries is engaged in the production, sale, and distribution of electricity; sale and distribution of gas; production, distribution, and sale of heat through district heating networks, technical consultancy relating to energy efficiency certificates, waste management (from collection and sweeping to disposal) and the construction and management of integrated waste disposal plants and systems, also making these available for other operators, and integrated water cycle management.
75GF Score

Get the complete analysis for MEX:A2AN

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

MXN47.66
Price
MXN51.45
GF Value