Comfort Systems USA (FIX) Stock Chart & Stock Price History $817.14 -17.56 (-2.10%) Closing price 10/10/2025 03:59 PM EasternExtended Trading$802.16 -14.98 (-1.83%) As of 10/10/2025 07:59 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 96.53%, with a year-to-date return of 92.69%. In the past month, the stock has increased 6.63%, reflecting recent market activity. As of the latest close, Comfort Systems USA traded at $817.14 with a market cap of $28.83 billion and volume of 312,116 shares. Five years ago, the stock traded at $57.64, representing a 1,317.66% increase over that period. At the time, it had a market cap of $2.10 billion and a volume of 136,197 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. 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. 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Read our full terms of service and privacy policy. 5 Day Performance-1.11%1 Month Performance+6.63%3 Month Performance+51.29%Year-To-Date Performance+92.69%1 Year Performance+96.53%5 Year Performance+1,317.66% FIX Stock Chart for Saturday, October, 11, 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 Capitalization10/10/2025$835.28$817.14-2.17%$858.55$815.11312,116 shs$28.83 billion10/09/2025$844.36$835.28-1.08%$846.89$821.55240,599 shs$29.47 billion10/08/2025$816.93$844.36+3.36%$851.64$816.94244,251 shs$29.79 billion10/07/2025$826.31$816.93-1.13%$836.89$796.00344,996 shs$28.82 billion10/06/2025$816.51$826.31+1.20%$842.96$823.25240,885 shs$29.15 billion10/03/2025$833.65$816.51-2.06%$840.78$816.00285,357 shs$28.81 billion10/02/2025$834.93$833.65-0.15%$852.31$820.00304,957 shs$29.41 billion10/01/2025$826.72$834.93+0.99%$843.80$811.75287,610 shs$29.46 billion09/30/2025$803.06$826.72+2.95%$827.97$805.26309,422 shs$29.17 billion09/29/2025$806.24$803.06-0.39%$823.50$799.42300,084 shs$28.33 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. 09/26/2025$780.89$806.24+3.25%$807.97$780.00287,744 shs$28.44 billion09/25/2025$791.61$780.89-1.35%$789.67$757.00469,653 shs$27.55 billion09/24/2025$804.36$791.61-1.59%$817.34$787.87284,342 shs$27.93 billion09/23/2025$820.99$804.36-2.03%$825.00$795.05332,918 shs$28.38 billion09/22/2025$796.56$820.99+3.07%$824.29$791.21424,565 shs$28.96 billion09/19/2025$800.22$796.56-0.46%$802.63$782.86685,925 shs$28.10 billion09/18/2025$762.84$800.22+4.90%$806.58$767.33366,233 shs$28.23 billion09/17/2025$778.02$762.84-1.95%$782.70$757.88532,993 shs$26.91 billion09/16/2025$781.85$778.02-0.49%$785.23$768.92406,085 shs$27.45 billion09/15/2025$754.21$781.85+3.66%$782.46$755.00397,027 shs$27.58 billion09/12/2025$766.33$754.21-1.58%$770.18$751.85301,656 shs$26.61 billion09/11/2025$754.20$766.33+1.61%$772.22$755.00559,783 shs$27.04 billion09/10/2025$710.14$754.20+6.20%$757.12$721.87592,684 shs$26.61 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 NVT Stock Price Chart VRT 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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