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California Water Service Group (CWT) stock analysis

CWTNYSEWater SupplyFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 29, 2026Score 10/3011% below fair value
$49.67−0.38 (-0.76%)

Close on Nov 11, 2026Market cap $3.12BP/E 22.2Yield 2.50%

StockData Score

Prices as of Nov 11, 2026How the score works

Value5Growth0Performance2Health0Dividend3

Mixed10 of 30 checks passed

California Water Service passes 10 of the 30 checks behind our score; 8 could not be run for lack of data and count as not passed. Each dot in the shape is one check — hover it for the numbers.

Valuation
5/6
Growth
0/6
Past performance
2/6
Financial health
0/6
Dividend
3/6

What stands out

  • Trading below fair value

    The share price of $49.67 is below our fair value estimate of $55.84.

  • Earnings grew over 5 years

    Net income grew 5.8% a year on average over the last five fiscal years.

  • P/E below its 5-year median

    California Water Service's P/E of 22.2 is below its own 5-year median of 25.3.

  • P/E below the industry

    California Water Service's P/E of 22.2 is below the Water Supply median of 22.6.

What to watch

  • Margin of safety under 20%

    The price is 11.0% below fair value, less than the 20% cushion we look for.

  • Revenue growing under 10% a year

    Revenue grew 7.6% a year over the last three fiscal years, short of the 10% we look for.

  • EPS growing under 10% a year

    Diluted EPS grew 6.7% a year over the last three fiscal years.

  • Earnings growth not accelerating

    Net income grew 0.7% over the last twelve months, against a 5-year average of 5.8% a year.

Valuation5/6
  • P/E below its 5-year median

    California Water Service's P/E of 22.2 is below its own 5-year median of 25.3.

  • P/E below the industry

    California Water Service's P/E of 22.2 is below the Water Supply median of 22.6.

  • EV/EBITDA below its 5-year median

    California Water Service's EV/EBITDA of 13.9 is below its 5-year median of 15.1.

  • P/S below the industry

    California Water Service's price-to-sales of 3.07 is below the Water Supply median of 5.00 (book value is negative, so we use sales).

  • Trading below fair value

    The share price of $49.67 is below our fair value estimate of $55.84.

  • Margin of safety under 20%

    The price is 11.0% below fair value, less than the 20% cushion we look for.

Growth0/6
  • Revenue growing under 10% a year

    Revenue grew 7.6% a year over the last three fiscal years, short of the 10% we look for.

  • EPS growing under 10% a year

    Diluted EPS grew 6.7% a year over the last three fiscal years.

  • Earnings growth not accelerating

    Net income grew 0.7% over the last twelve months, against a 5-year average of 5.8% a year.

  • Growing slower than the industry

    Revenue grew 4.8% over the last twelve months; the Water Supply median is 5.9%.

  • Guidance unchanged

    The latest outlook (2026 infrastructure investments, Jul 30, 2026) was maintained, so it neither adds nor takes away points.

  • Gross margin trend

    This company does not report gross profit.

Past performance2/6
  • Return on equity

    Needs positive equity and five years of results.

  • Return on invested capital

    Needs operating income and invested capital.

  • Return on equity against the industry

    Needs positive equity.

  • Earnings grew over 5 years

    Net income grew 5.8% a year on average over the last five fiscal years.

  • Net margin above its 5-year average

    Net margin was 13.5% over the last twelve months, against a 5-year average of 13.3%.

  • Net margin below the industry

    California Water Service's net margin of 13.5% is below the Water Supply median of 20.4%.

Financial health0/6
  • Debt level

    Needs debt and equity figures.

  • Debt trend

    Needs a balance sheet from five years ago with positive equity.

  • Debt not well covered by cash flow

    Operating cash flow over the last twelve months equals 18.8% of total debt; we look for at least 20%.

  • Interest not well covered

    Operating income covers interest expense 2.5 times; we look for at least 5.

  • Short-term assets don't cover short-term debts

    Current assets are 0.71 times current liabilities.

  • Elevated bankruptcy risk

    The Altman Z-score is 0.87; above 3 is the safe zone and below 1.8 the distress zone.

Dividend3/6
  • Pays a dividend

    California Water Service paid dividends worth 2.0% of the share price over the last twelve months.

  • Yield below Treasuries

    The 2.0% yield is below the 4.4% on a 1-year Treasury.

  • Yield below the top quarter

    The top quarter of US dividend payers yield 3.8% or more; California Water Service yields 2.0%.

  • Dividend not cut

    The dividend per share has not fallen by more than 10% in any of the last 10 fiscal years.

  • Covered by earnings

    Dividends take 57.4% of net income.

  • Cash-flow cover

    Needs dividends paid and free cash flow.

Scores of similar companies

Our estimate per share

$55.84

The share price is 11% below this estimate.

20%+ below
Near fair value
20%+ above
$49.67Price
MethodMultiple usedOwn 5Y medianIndustry medianValue per shareWeight
P/E24.0×25.3×22.6×$53.6744%
EV/EBITDA15.3×15.1×15.6×$57.2739%
Earnings power7.4% cost of equity––$58.2817%
Fair value$55.84100%

Valuation over time

Using the earnings and balance sheet published at each date, not today's.

  • P/E at month end
  • Own 5-year median 25.3
  • Water Supply median 22.6

An estimate from reported numbers and market multiples, not a price target or investment advice. It can be far off for companies whose profits are about to change sharply.

Market risk

From the past year of daily prices.

Liquidity

Low risk

Average value traded per day
$20.75M
Value traded per 1% price move
$22.16M

Downside

Low risk

Typical loss in a bad month
8.9%
Volatility (annualized)
24%
Sharpe ratio, 1 year
0.18
Beta to the S&P 500 (5Y)
0.33

Typical bad-month loss, week by week

25%: high

Margins

Share of revenue, fiscal years 2011 to 2025

Operating margin

17.7%−1.9 pts over 5 years

Net margin

13.3%−0.6 pts over 5 years

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