California Water Service Group (FRA:WT5) Cyclically Adjusted Book per Share: €20.55 (As of Mar. 2026)


FRA:WT5 California Water Service Group FRA:WT5
80 GF Score
Price €43.60
GF Value €45.17
Valuation Fairly Valued
! 9 Warning Signs
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What is California Water Service Group Cyclically Adjusted Book per Share?

California Water Service Group FRA:WT5 +1.87% 80 Cyclically Adjusted Book per Share is €20.55 as of Mar. 2026. GuruFocus rates FRA:WT5 with a GF Score™ of 80/100 and a GF Value™ of €45.17 (Fairly Valued). The stock has 9 warning signs investors should review.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and 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.

California Water Service Group's adjusted book value per share for the three months ended in Mar. 2026 was €24.287. 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 €20.55 for the trailing ten years ended in Mar. 2026.

During the past 12 months, California Water Service Group's average Cyclically Adjusted Book Growth Rate was 8.00% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was 7.70% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was 9.30% per year. During the past 10 years, the average Cyclically Adjusted Book Growth Rate was 7.40% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the Cyclically Adjusted Book Growth Rate using Cyclically Adjusted Book per Share data.

During the past 13 years, the highest 3-Year average Cyclically Adjusted Book Growth Rate of California Water Service Group was 10.60% per year. The lowest was 1.10% per year. And the median was 4.40% per year.

As of today (2026-07-06), California Water Service Group's current stock price is €43.60. California Water Service Group's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was €20.55. California Water Service Group's Cyclically Adjusted PB Ratio of today is 2.12.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of California Water Service Group was 4.44. The lowest was 1.82. And the median was 3.13.


California Water Service Group  (FRA:WT5) Cyclically Adjusted Book per Share Explanation

If a company grows much fast than inflation, Cyclically Adjusted Book per Share may underestimate the company's equity. Cyclically Adjusted PB Ratio can seem to be too high even the actual PB Ratio is low.

For the Cyclically Adjusted PB Ratio, the book value of the past 10 years are inflation-adjusted and averaged. The result is used for P/B calculation. Since it looks at the average over the last 10 years, the Cyclically Adjusted PB Ratio is also called CAPB Ratio.

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.

California Water Service Group's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=43.60/20.55
=2.12

* 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.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of California Water Service Group was 4.44. The lowest was 1.82. And the median was 3.13.


Be Aware

Cyclically Adjusted PB Ratio works better for cyclical companies. It gives you a better idea on the company's real book value.


California Water Service Group Cyclically Adjusted Book per Share Related Terms


California Water Service Group Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for California Water Service Group's Cyclically Adjusted Book per Share 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.

California Water Service Group Cyclically Adjusted Book per Share Chart

California Water Service Group Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted Book per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 13.96 17.00 17.74 20.18 19.20

California Water Service Group Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted Book per Share 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 19.66 18.71 18.95 19.20 20.55

FRA:WT5 vs AWR, HTO, MSEX: Cyclically Adjusted Book per Share Comparison

For the Utilities - Regulated Water subindustry, California Water Service Group'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.


California Water Service Group Cyclically Adjusted PB Ratio vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, California Water Service Group's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where California Water Service Group's Cyclically Adjusted PB Ratio falls into.


FRA:WT5
80GF Score
California Water Service Group FRA:WT5
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

California Water Service Group Cyclically Adjusted Book per Share Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and 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.

What is Cyclically Adjusted Book per Share? How do we calculate Cyclically Adjusted Book per Share?

Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the Cyclically Adjusted Book per Share of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the book value per share from 2001 through 2010.

We adjusted the 2001 book value per share data with the total inflation from 2001 through 2010 to the equivalent book value in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart's book value is $1 a share in 2001, then the 2001's equivalent book value in 2010 is $1.4 a share. If Wal-Mart's book value is $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 book value in 2010 is $1.35. So on and so forth, you get the equivalent book value per share of past 10 years. Then you add them together and divided the sum by the count to get 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.

For example, California Water Service Group'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)
=24.287/330.2130*330.2130
=24.287

Current CPI (Mar. 2026) = 330.2130.

California Water Service Group Quarterly Data

Book Value per Share CPI Adj_Book
201606 11.814 241.018 16.186
201609 12.111 241.428 16.565
201612 13.034 241.432 17.827
201703 12.682 243.801 17.177
201706 12.267 244.955 16.537
201709 12.017 246.819 16.077
201712 12.306 246.524 16.484
201803 11.494 249.554 15.209
201806 12.215 251.989 16.007
201809 12.695 252.439 16.606
201812 13.353 251.233 17.551
201903 13.130 254.202 17.056
201906 13.295 256.143 17.140
201909 14.292 256.759 18.381
201912 14.463 256.974 18.585
202003 14.029 258.115 17.948
202006 14.058 257.797 18.007
202009 15.164 260.280 19.238
202012 15.046 260.474 19.074
202103 15.364 264.877 19.154
202106 16.059 271.696 19.518
202109 18.031 274.310 21.706
202112 19.219 278.802 22.763
202203 19.666 287.504 22.587
202206 20.928 296.311 23.322
202209 23.460 296.808 26.100
202212 22.371 296.797 24.890
202303 21.656 301.836 23.692
202306 22.227 305.109 24.056
202309 22.904 307.789 24.573
202312 22.665 306.746 24.399
202403 23.376 312.332 24.714
202406 24.393 314.175 25.638
202409 24.673 315.301 25.840
202412 26.254 315.605 27.469
202503 25.299 319.799 26.123
202506 24.080 322.561 24.651
202509 24.312 324.800 24.717
202512 24.192 324.054 24.652
202603 24.287 330.213 24.287

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

What does a Cyclically Adjusted Book per Share of €20.55 mean?
California Water Service Group (FRA:WT5) has a Cyclically Adjusted Book per Share of €20.55 as of Mar. 2026. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on California Water Service Group and its competitors.
Is California Water Service Group's Cyclically Adjusted Book per Share too high?
California Water Service Group's current Cyclically Adjusted Book per Share is €20.55. Overall, California Water Service Group has a GF Score™ of 80/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does California Water Service Group's Cyclically Adjusted Book per Share compare to AWR and HTO?
California Water Service Group's Cyclically Adjusted Book per Share of €20.55 can be compared against companies in the Utilities - Regulated industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted Book per Share for an Utilities - Regulated company?
A good Cyclically Adjusted Book per Share depends on the Utilities - Regulated industry context. However, Cyclically Adjusted Book per Share 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 Cyclically Adjusted Book per Share mean?
A high Cyclically Adjusted Book per Share can signal that a stock is expensive relative to its fundamentals. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on California Water Service Group and its competitors. California Water Service Group's current Cyclically Adjusted Book per Share is €20.55. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is California Water Service Group stock overvalued right now?
Based on GuruFocus' analysis, California Water Service Group (FRA:WT5) is currently considered Fairly Valued. The stock's GF Value™ is €45.17, compared to a current price of €43.60 — trading 3.5% below its estimated fair value. The current Cyclically Adjusted Book per Share is €20.55. California Water Service Group's overall GF Score™ is 80/100 with 9 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted Book per Share calculated?
Cyclically Adjusted Book per Share is calculated from a company's financial statements. For California Water Service Group (FRA:WT5), the current Cyclically Adjusted Book per Share is €20.55 as of Mar. 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 California Water Service Group (FRA:WT5) Overvalued in 2026?

Based on GuruFocus' analysis, California Water Service Group stock appears to be undervalued. The current stock price of €43.60 is trading 3.5% below its estimated GF Value™ of €45.17. GuruFocus considers California Water Service Group to be Fairly Valued.

Key valuation signals for FRA:WT5:

  • Cyclically Adjusted Book per Share: €20.55
  • GF Value™: €45.17 vs. price of €43.60 (3.5% below fair value)
  • GF Score™: 80/100 with 9 warning signs

No single metric tells the full story. See the FRA:WT5 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


California Water Service Group Business Description

Other Exchanges CWT:USA
Address 1720 North First Street, San Jose, CA, USA, 95112
California Water Service Group is a U.S. water and utilities holding company based in California. The company provides water utility and other related services in California, Washington, New Mexico, Hawaii and Texas through its wholly-owned subsidiaries. The bulk of the company's business consists of the production, purchase, storage, treatment, testing, distribution, and sale of water for domestic, industrial, public, and irrigation uses, and the provision of water for domestic and municipal fire protection services.
80GF Score

Get the complete analysis for FRA:WT5

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

€43.60
Price
€45.17
GF Value