Watsco (WSO) Stock Chart & Stock Price History $389.93 +5.68 (+1.48%) Closing price 09/19/2025 03:59 PM EasternExtended Trading$388.14 -1.79 (-0.46%) As of 09/19/2025 07:02 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 Watsco Stock Price Performance The Watsco (WSO) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 20.36%, with a year-to-date return of -17.72%. In the past month, the stock has decreased 6.96%, reflecting recent market activity. As of the latest close, Watsco traded at $389.93 with a market cap of $15.81 billion and volume of 634,248 shares. Five years ago, the stock traded at $234.50, representing a 66.28% increase over that period. At the time, it had a market cap of $9.01 billion and a volume of 458,675 shares. Receive WSO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Watsco and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Read our full terms of service and privacy policy. 5 Day Performance+0.92%1 Month Performance-6.96%3 Month Performance-7.53%Year-To-Date Performance-17.72%1 Year Performance-20.36%5 Year Performance+66.28% WSO Stock Chart for Saturday, September, 20, 2025 WSO Chart by TradingView Watsco 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 Capitalization09/19/2025$384.77$389.93+1.34%$393.22$382.35634,248 shs$15.81 billion09/18/2025$387.85$384.77-0.80%$389.90$384.24351,132 shs$15.60 billion09/17/2025$395.18$387.85-1.85%$400.15$385.46471,412 shs$15.73 billion09/16/2025$386.38$395.18+2.28%$395.96$388.01509,811 shs$16.02 billion09/15/2025$381.84$386.38+1.19%$389.62$380.84566,524 shs$15.67 billion09/12/2025$396.83$381.84-3.78%$393.79$378.35713,532 shs$15.48 billion09/11/2025$390.89$396.83+1.52%$401.62$390.51607,667 shs$16.09 billion09/10/2025$402.04$390.89-2.77%$407.65$386.49467,719 shs$15.85 billion09/09/2025$408.15$402.04-1.50%$406.16$398.50831,533 shs$16.30 billion09/08/2025$408.41$408.15-0.06%$411.75$404.26444,259 shs$16.55 billion Get the Latest News and Ratings for WSO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Watsco and its competitors with MarketBeat's FREE daily newsletter. 09/05/2025$403.34$408.41+1.26%$410.37$401.57241,987 shs$16.56 billion09/04/2025$392.49$403.34+2.76%$403.71$394.22307,351 shs$16.36 billion09/03/2025$393.67$392.49-0.30%$397.06$390.36409,542 shs$15.91 billion09/02/2025$402.04$393.67-2.08%$402.04$391.18349,451 shs$15.96 billion09/01/2025$402.04$402.04$403.44$398.43290,569 shs$16.30 billion08/29/2025$401.74$402.04+0.07%$403.44$398.43290,569 shs$16.30 billion08/28/2025$409.74$401.74-1.95%$414.53$400.62174,750 shs$16.29 billion08/27/2025$407.11$409.74+0.65%$415.44$405.22373,195 shs$16.62 billion08/26/2025$407.55$407.11-0.11%$411.96$404.32349,396 shs$16.51 billion08/25/2025$414.78$407.55-1.74%$421.78$406.26269,401 shs$16.52 billion08/22/2025$404.99$414.78+2.42%$421.74$404.76293,823 shs$16.82 billion08/21/2025$419.11$404.99-3.37%$419.54$397.73502,850 shs$16.42 billion08/20/2025$425.59$419.11-1.52%$427.25$418.52264,897 shs$16.99 billion08/19/2025$418.78$425.59+1.63%$427.00$420.05164,522 shs$17.24 billion Related Companies CARR Stock Chart FIX Stock Chart GGG Stock Chart GWW Stock Chart ITW Stock Chart LII Stock Chart MAS Stock Chart MLM Stock Chart OTIS Stock Chart PNR Stock Chart Receive WSO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Watsco and its competitors with MarketBeat's FREE daily newsletter. 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