California Water Service Group Operating Margin Growth & History (CWT)

California Water Service Group's operating margin was 17.68% for fiscal 2025.

View full California Water Service Group company overview

California Water Service Group annual operating margin history

California Water Service Group annual operating margin

Fiscal yearPeriod endedOperating marginChange (percentage points)
20252025-12-3117.68%−7.17 pp
20242024-12-3124.85%+15.09 pp
20232023-12-319.76%−6.76 pp
20222022-12-3116.52%−0.03 pp
20212021-12-3116.56%−3.04 pp
20202020-12-3119.59%+4.63 pp
20192019-12-3114.96%−1.42 pp
20182018-12-3116.38%−0.82 pp
20172017-12-3117.20%+3.19 pp
20162016-12-3114.02%

California Water Service Group operating margin trends

Over the last five reported fiscal years, California Water Service Group's operating margin decreased from 19.59% to 17.68%, a change of −1.91 percentage points. The latest reported quarter, Q2 2026, shows 25.50%.

About the metric

What operating margin means

Operating margin measures the percentage of revenue left after operating costs and expenses. It shows how much operating profit a company generates from each dollar of revenue.

Calculation and source

How operating margin is calculated

TickerStat calculates operating margin as SEC-reported operating income divided by SEC-reported revenue for the same fiscal period. Changes are shown in percentage points. Fiscal periods can differ from calendar years, so exact period-end dates are included.

Review California Water Service Group filings at SEC.gov ↗