California Water Service Group (CWT) Stock Chart & Stock Price History $47.57 +0.80 (+1.71%) Closing price 03:59 PM EasternExtended Trading$47.60 +0.03 (+0.05%) As of 04:10 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock California Water Service Group Stock Price Performance The California Water Service Group (CWT) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 12.09%, with a year-to-date return of 4.94%. In the past month, the stock has increased 4.33%, reflecting recent market activity. As of the latest close, California Water Service Group traded at $46.79 with a market cap of $2.79 billion and volume of 230,477 shares. Five years ago, the stock traded at $46.63, representing a 2.01% increase over that period. At the time, it had a market cap of $2.30 billion and a volume of 290,947 shares. Receive CWT Stock News and Ratings via EmailSign-up to receive the latest news and ratings for California Water Service Group and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+2.28%1 Month Performance+4.33%3 Month Performance+1.46%Year-To-Date Performance+4.94%1 Year Performance-12.09%5 Year Performance+2.01% CWT Stock Chart for Friday, August, 22, 2025 CWT Chart by TradingView California Water Service Group Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization08/21/2025$46.66$46.79+0.27%$47.11$46.66230,477 shs$2.79 billion08/20/2025$47.05$46.66-0.82%$47.72$46.65244,706 shs$2.78 billion08/19/2025$46.12$47.05+2.00%$47.11$46.04266,786 shs$2.80 billion08/18/2025$46.51$46.12-0.83%$46.86$46.05178,087 shs$2.75 billion08/15/2025$46.34$46.51+0.38%$46.65$46.11227,568 shs$2.77 billion08/14/2025$46.84$46.34-1.08%$46.94$46.21256,768 shs$2.76 billion08/13/2025$46.78$46.84+0.14%$47.35$46.53435,669 shs$2.79 billion08/12/2025$46.71$46.78+0.14%$47.14$46.09376,137 shs$2.79 billion08/11/2025$46.82$46.71-0.25%$46.89$46.32357,245 shs$2.78 billion08/08/2025$46.82$46.82+0.00%$47.24$46.45243,768 shs$2.79 billion Get the Latest News and Ratings for CWT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for California Water Service Group and its competitors with MarketBeat's FREE daily newsletter. 08/07/2025$46.28$46.82+1.18%$47.14$46.19318,295 shs$2.79 billion08/06/2025$46.43$46.28-0.32%$46.99$46.21303,502 shs$2.76 billion08/05/2025$46.99$46.43-1.20%$46.92$46.26431,914 shs$2.77 billion08/04/2025$46.51$46.99+1.03%$47.31$45.80314,564 shs$2.80 billion08/01/2025$45.46$46.51+2.31%$46.96$45.76627,834 shs$2.77 billion07/31/2025$44.82$45.46+1.43%$45.77$44.37567,555 shs$2.71 billion07/30/2025$45.04$44.82-0.49%$45.50$44.72357,257 shs$2.67 billion07/29/2025$44.36$45.04+1.54%$45.07$44.13437,301 shs$2.68 billion07/28/2025$44.88$44.36-1.16%$44.76$43.96280,292 shs$2.64 billion07/25/2025$45.07$44.88-0.43%$45.11$44.64367,541 shs$2.67 billion07/24/2025$45.15$45.07-0.19%$45.41$44.85304,655 shs$2.68 billion07/23/2025$45.59$45.15-0.97%$45.60$44.81436,402 shs$2.69 billion07/22/2025$45.29$45.59+0.67%$46.32$45.27346,603 shs$2.72 billion07/21/2025$45.13$45.29+0.35%$45.55$44.90334,465 shs$2.70 billion Related Companies Consolidated Water Stock Chart Global Water Resources Stock Chart Middlesex Water Stock Chart York Water Stock Chart American Water Works Stock Chart American States Water Stock Chart Essential Utilities Stock Chart H2O America Stock Chart Artesian Resources Stock Chart Cadiz Stock Chart Receive CWT Stock News and Ratings via EmailSign-up to receive the latest news and ratings for California Water Service Group and its competitors with MarketBeat's FREE daily newsletter. 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