Comfort Systems USA (FIX) Stock Chart & Stock Price History $555.33 +4.83 (+0.88%) Closing price 07/18/2025 03:59 PM EasternExtended Trading$556.62 +1.29 (+0.23%) As of 07/18/2025 07:42 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 Comfort Systems USA Stock Price Performance The Comfort Systems USA (FIX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 82.49%, with a year-to-date return of 30.96%. In the past month, the stock has increased 11.43%, reflecting recent market activity. As of the latest close, Comfort Systems USA traded at $555.33 with a market cap of $19.59 billion and volume of 227,169 shares. Five years ago, the stock traded at $40.77, representing a 1,262.10% increase over that period. At the time, it had a market cap of $1.49 billion and a volume of 143,300 shares. Receive FIX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Comfort Systems USA and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+2.72%1 Month Performance+11.43%3 Month Performance+59.51%Year-To-Date Performance+30.96%1 Year Performance+82.49%5 Year Performance+1,262.10% FIX Stock Chart for Sunday, July, 20, 2025 FIX Chart by TradingView Comfort Systems USA 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 Capitalization07/18/2025$551.71$555.33+0.66%$559.36$547.99227,169 shs$19.59 billion07/17/2025$547.05$551.71+0.85%$555.25$544.44326,406 shs$19.46 billion07/16/2025$540.62$547.05+1.19%$549.83$535.62303,163 shs$19.30 billion07/15/2025$544.51$540.62-0.72%$550.31$535.00241,729 shs$19.07 billion07/14/2025$540.11$544.51+0.81%$549.20$534.48316,693 shs$19.21 billion07/11/2025$534.00$540.11+1.14%$543.03$530.02263,894 shs$19.05 billion07/10/2025$535.22$534.00-0.23%$539.46$517.03359,087 shs$18.84 billion07/09/2025$529.10$535.22+1.16%$541.27$529.24407,347 shs$18.88 billion07/08/2025$540.50$529.10-2.11%$544.00$519.99382,450 shs$18.66 billion07/07/2025$540.57$540.50-0.01%$549.22$536.19280,634 shs$19.07 billion Get the Latest News and Ratings for FIX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Comfort Systems USA and its competitors with MarketBeat's FREE daily newsletter. 07/04/2025$540.57$540.57$543.74$529.07162,349 shs$19.07 billion07/03/2025$529.83$540.57+2.03%$543.74$529.07162,349 shs$19.07 billion07/02/2025$522.23$529.83+1.45%$531.48$517.58284,103 shs$18.69 billion07/01/2025$536.12$522.23-2.59%$536.12$510.00365,870 shs$18.42 billion06/30/2025$535.04$536.12+0.20%$541.55$530.66424,591 shs$18.91 billion06/27/2025$517.61$535.04+3.37%$536.44$517.28503,087 shs$18.88 billion06/26/2025$507.86$517.61+1.92%$517.91$512.18246,449 shs$18.26 billion06/25/2025$514.21$507.86-1.23%$520.23$507.57222,809 shs$17.92 billion06/24/2025$502.86$514.21+2.26%$516.28$504.75314,451 shs$18.14 billion06/23/2025$498.38$502.86+0.90%$504.16$489.98291,240 shs$17.74 billion06/20/2025$498.95$498.38-0.11%$503.47$491.50770,851 shs$17.58 billion06/19/2025$498.95$498.95$508.71$495.25465,378 shs$17.60 billion Related Companies PWR Stock Price Chart IESC Stock Price Chart PRIM Stock Price Chart STRL Stock Price Chart APH Stock Price Chart EME Stock Price Chart ETN Stock Price Chart HUBB Stock Price Chart ITT Stock Price Chart NVT Stock Price Chart Receive FIX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Comfort Systems USA and its competitors with MarketBeat's FREE daily newsletter. 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