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California Water Service Group has the GF Score of 81, which implies that the company
might have
Good outperformance potential.
The GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation, which has been found to be closely correlated to the long-term performances of stocks by backtesting from 2006 to 2021. The stocks with a higher GF Score generally generate higher returns than those with lower GF Scores. Therefore, when picking stocks, investors should invest in companies with high GF Scores. The GF Score ranges from 0 to 100, with 100 as the highest rank.
GF Score takes following five key aspects into consideration:
Each one of these components is ranked and the ranks also have positive correlation with the long term performances of stocks. The GF score is calculated using the five key aspects of analysis. Through backtesting, we know that each of these key aspects has a different impact on the stock price performance. Thus, they are weighted differently when calculating the total score. The Profitability Rank and the Growth Rank are weighted fully, while other parameters have less weight.
Based on research and backtesting result, GuruFocus believes California Water Service Group
might have
Good outperformance potential.
Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.
California Water Service Group (STU:WT5) GF Score Explanation
Based on the historical long-term performances among five valuation aspects, the GF Score is found to be closely correlated to the long-term performances of stocks. It ranges from 0 to 100, with 100 as the highest. GuruFocus divided GF Score into following 5 categories:
GF Score
Performance Potential and All-in-One Screener Examples (1)
(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.
California Water Service Group GF Score Related Terms
STU:WT5 vs AWR, HTO, MSEX: GF Score Comparison
For the Utilities - Regulated Water subindustry, California Water Service Group's GF Score, along with its competitors' market caps and GF Score 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 GF Score vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, California Water Service Group's GF Score distribution charts can be found below:
* The bar in red indicates where California Water Service Group's GF Score falls into.
California Water Service Group (STU:WT5) has a GF Score of 81 as of Jul. 14, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on California Water Service Group and its competitors. This is near median its historical median of 77.00. Over the past decade, California Water Service Group's GF Score has ranged from 26.00 to 90.00.
Is California Water Service Group's GF Score too high?
California Water Service Group's current GF Score of 81 is near median its 10-year median of 77.00. Over the past 10 years, this metric has ranged from a low of 26.00 to a high of 90.00. Overall, California Water Service Group has a GF Score™ of 81/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does California Water Service Group's GF Score compare to AWR and HTO?
California Water Service Group's GF Score of 81 can be compared against companies in the Utilities - Regulated industry. Historically, California Water Service Group's own GF Score has ranged from 26.00 to 90.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good GF Score for an Utilities - Regulated company?
A good GF Score depends on the Utilities - Regulated industry context. However, GF Score 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 GF Score mean?
A high GF Score can signal that a stock is expensive relative to its fundamentals. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on California Water Service Group and its competitors. California Water Service Group's current GF Score is 81, which is near median its own 10-year median of 77.00. 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 (STU:WT5) is currently considered Fairly Valued. The stock's GF Value™ is €44.40, compared to a current price of €43.80 — trading 1.4% below its estimated fair value. The current GF Score is 81, which is near median its 10-year median of 77.00. California Water Service Group's overall GF Score™ is 81/100 with 9 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Score calculated?
GF Score is calculated from a company's financial statements. For California Water Service Group (STU:WT5), the current GF Score is 81 as of Jul. 14, 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 (STU:WT5) Overvalued in 2026?
Based on GuruFocus' analysis, California Water Service Group stock appears to be undervalued.
The current stock price of €43.80 is trading 1.4% below its estimated GF Value™ of €44.40.
GuruFocus considers California Water Service Group to be Fairly Valued.
Key valuation signals for STU:WT5:
GF Score: 81 (near median its 10-year median of 77.00)
GF Value™: €44.40 vs. price of €43.80 (1.4% below fair value)
No single metric tells the full story. See the STU:WT5 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
California Water Service Group Business Description
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.
81GF Score
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