California Water Service Group (CWT) stock
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
$49.39−0.28 (-0.56%)
Close on Nov 12, 2026Market cap $3.11BP/E 22.0Yield 2.51%
California Water Service operating margin
Operating margin is operating income as a percentage of revenue.
California Water Service's operating margin for the twelve months ending Sep 30, 2026 was 19.4%. For fiscal 2025 it was 17.7%, against 24.9% the year before. The highest annual figure on record is 24.9% in fiscal 2024.
Annual operating margin
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| FY2025 | Dec 31, 2025 | 17.7% | −7.2 |
| FY2024 | Dec 31, 2024 | 24.9% | +15.1 |
| FY2023 | Dec 31, 2023 | 9.8% | −6.8 |
| FY2022 | Dec 31, 2022 | 16.5% | −0.0 |
| FY2021 | Dec 31, 2021 | 16.6% | −3.0 |
| FY2020 | Dec 31, 2020 | 19.6% | +4.6 |
| FY2019 | Dec 31, 2019 | 15.0% | −1.4 |
| FY2018 | Dec 31, 2018 | 16.4% | −0.8 |
| FY2017 | Dec 31, 2017 | 17.2% | +3.2 |
| FY2016 | Dec 31, 2016 | 14.0% | – |
Quarterly operating margin
Change is against the same quarter a year earlier.
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| Q3 FY2026 | Sep 30, 2026 | 25.0% | +2.5 |
| Q2 FY2026 | Jun 30, 2026 | 25.5% | +5.3 |
| Q1 FY2026 | Mar 31, 2026 | 9.2% | −3.0 |
| Q4 FY2025 | Dec 31, 2025 | 12.2% | −2.7 |
| Q3 FY2025 | Sep 30, 2025 | 22.5% | +0.7 |
| Q2 FY2025 | Jun 30, 2025 | 20.2% | −1.0 |
| Q1 FY2025 | Mar 31, 2025 | 12.2% | −38.1 |
| Q4 FY2024 | Dec 31, 2024 | 14.8% | −3.0 |
| Q3 FY2024 | Sep 30, 2024 | 21.8% | +4.6 |
| Q2 FY2024 | Jun 30, 2024 | 21.2% | +13.0 |
| Q1 FY2024 | Mar 31, 2024 | 50.3% | +62.4 |
| Q4 FY2023 | Dec 31, 2023 | 17.8% | +3.0 |
| Q3 FY2023 | Sep 30, 2023 | 17.2% | −10.1 |
| Q2 FY2023 | Jun 30, 2023 | 8.2% | −5.5 |
| Q1 FY2023 | Mar 31, 2023 | -12.1% | −17.8 |
| Q4 FY2022 | Dec 31, 2022 | 14.9% | +8.7 |
| Q3 FY2022 | Sep 30, 2022 | 27.3% | −2.6 |
| Q2 FY2022 | Jun 30, 2022 | 13.7% | −6.1 |
| Q1 FY2022 | Mar 31, 2022 | 5.7% | +3.8 |
| Q4 FY2021 | Dec 31, 2021 | 6.2% | −8.7 |
| Q3 FY2021 | Sep 30, 2021 | 29.9% | −17.8 |
| Q2 FY2021 | Jun 30, 2021 | 19.9% | +12.6 |
| Q1 FY2021 | Mar 31, 2021 | 2.0% | +7.1 |
| Q4 FY2020 | Dec 31, 2020 | 14.9% | +2.5 |
| Q3 FY2020 | Sep 30, 2020 | 47.7% | +23.7 |
| Q2 FY2020 | Jun 30, 2020 | 7.2% | −8.9 |
| Q1 FY2020 | Mar 31, 2020 | -5.1% | −5.5 |
| Q4 FY2019 | Dec 31, 2019 | 12.4% | −4.3 |
| Q3 FY2019 | Sep 30, 2019 | 24.0% | +1.4 |
| Q2 FY2019 | Jun 30, 2019 | 16.1% | +0.5 |
| Q1 FY2019 | Mar 31, 2019 | 0.4% | −6.9 |
| Q4 FY2018 | Dec 31, 2018 | 16.7% | +1.3 |
| Q3 FY2018 | Sep 30, 2018 | 22.6% | +0.3 |
| Q2 FY2018 | Jun 30, 2018 | 15.6% | −1.7 |
| Q1 FY2018 | Mar 31, 2018 | 7.3% | −3.3 |
| Q4 FY2017 | Dec 31, 2017 | 15.4% | – |
| Q3 FY2017 | Sep 30, 2017 | 22.3% | – |
| Q2 FY2017 | Jun 30, 2017 | 17.3% | – |
| Q1 FY2017 | Mar 31, 2017 | 10.6% | – |
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