California Water Service GroupCWT +3.22%80 PEG Ratio is 5.29 as of Jun. 28, 2026, which is 10% below its 10-year median of 5.88. GuruFocus rates CWT with a GF Score™ of 80/100 and a GF Value™ of $50.86 (Fairly Valued). The stock has 7 warning signs investors should review. Among 299 Utilities - Regulated companies, California Water Service Group ranks worse than 79.93% on this metric.
* The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
The historical rank and industry rank for California Water Service Group's PEG Ratio or its related term are showing as below:
CWT'
s PEG Ratio Range Over the Past 10 Years
Min: 2.48 Med: 5.88 Max: 69.48
Current: 5.29
During the past 13 years, California Water Service Group's highest PEG Ratio was 69.48. The lowest was 2.48. And the median was 5.88.
CWT's PEG Ratio is ranked worse than 79.93% of 299
companies
in the Utilities - Regulated industry
Industry Median: 1.72
vs CWT: 5.29
Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.
California Water Service Group (NYSE:CWT) PEG Ratio Explanation
To compare stocks with different growth rates, Peter Lynch invented a ratio called PEG Ratio. PEG Ratio is defined as the P/E ratio divided by the growth ratio. He thinks a company with a P/E ratio equal to its growth rate is fairly valued. Still he said he would rather buy a company growing 20% a year with a P/E of 20, instead of a company growing 10% a year with a P/E of 10.
California Water Service Group PEG Ratio Related Terms
California Water Service Group PEG Ratio Historical Data
* 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.
For the Utilities - Regulated Water subindustry, California Water Service Group's PEG Ratio, along with its competitors' market caps and PEG 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 PEG Ratio vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, California Water Service Group's PEG Ratio distribution charts can be found below:
* The bar in red indicates where California Water Service Group's PEG Ratio falls into.
* 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.
* Note: The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
California Water Service Group (CWT) has a PEG Ratio of 5.29 as of Jun. 28, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on California Water Service Group and its competitors. This is 10% below median its historical median of 5.88. Over the past decade, California Water Service Group's PEG Ratio has ranged from 2.48 to 69.48. According to the industry distribution chart, California Water Service Group ranks #239 out of 299 companies in the Utilities - Regulated industry, placing it in the top 79.9%.
Is California Water Service Group's PEG Ratio too high?
California Water Service Group's current PEG Ratio of 5.29 is 10% below median its 10-year median of 5.88. Over the past 10 years, this metric has ranged from a low of 2.48 to a high of 69.48. The Utilities - Regulated industry median PEG Ratio is 1.72. California Water Service Group's value of 5.29 is 207.6% above this industry median. Based on the distribution chart, California Water Service Group ranks #239 out of 299 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers. 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 PEG Ratio compare to HTO and AWR?
According to the Utilities - Regulated industry distribution chart, California Water Service Group ranks #239 out of 299 companies for PEG Ratio. This places California Water Service Group in the lower half of its industry. The industry median PEG Ratio is 1.72. California Water Service Group's value of 5.29 is 207.6% above this benchmark. Historically, California Water Service Group's own PEG Ratio has ranged from 2.48 to 69.48 over the past decade. While the company's 10-year median is 5.88 vs. the industry median of 1.72, California Water Service Group 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 PEG Ratio for an Utilities - Regulated company?
The median PEG Ratio among Utilities - Regulated companies is 1.72, based on 299 companies in the industry. Companies in the top quartile (top 25%) have a PEG Ratio significantly above this median, while those in the bottom quartile fall well below. However, PEG Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. California Water Service Group's current PEG Ratio of 5.29 is 207.6% 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 PEG Ratio mean?
A high PEG Ratio can signal that a stock is expensive relative to its fundamentals. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on California Water Service Group and its competitors. For the Utilities - Regulated industry, the median PEG Ratio is 1.72 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. California Water Service Group's current PEG Ratio is 5.29, which is 10% below median its own 10-year median of 5.88. 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 (CWT) is currently considered Fairly Valued. The stock's GF Value™ is $50.86, compared to a current price of $49.08 — trading 3.5% below its estimated fair value. The current PEG Ratio is 5.29, which is 10% below median its 10-year median of 5.88 and 207.6% above the Utilities - Regulated industry median of 1.72. California Water Service Group's overall GF Score™ is 80/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PEG Ratio calculated?
PEG Ratio is calculated from a company's financial statements. For California Water Service Group (CWT), the current PEG Ratio is 5.29 as of Jun. 28, 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 (CWT) Overvalued in 2026?
Based on GuruFocus' analysis, California Water Service Group stock appears to be undervalued.
The current stock price of $49.08 is trading 3.5% below its estimated GF Value™ of $50.86.
GuruFocus considers California Water Service Group to be Fairly Valued.
Key valuation signals for CWT:
PEG Ratio: 5.29 (10% below median its 10-year median of 5.88)
GF Value™: $50.86 vs. price of $49.08 (3.5% below fair value)
Industry Position: 207.6% above the Utilities - Regulated median (#239 of 299)
No single metric tells the full story. See the CWT 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.
80GF Score
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