Southwest Gas (SWX) Stock Chart & Stock Price History $69.09 -1.97 (-2.78%) Closing price 05/21/2025 03:59 PM EasternExtended Trading$70.17 +1.09 (+1.57%) As of 05/21/2025 07:47 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 Southwest Gas Stock Price Performance The Southwest Gas (SWX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 10.87%, with a year-to-date return of -2.30%. In the past month, the stock has decreased 5.45%, reflecting recent market activity. As of the latest close, Southwest Gas traded at $69.09 with a market cap of $4.97 billion and volume of 431,398 shares. Five years ago, the stock traded at $73.44, representing a 5.93% decrease over that period. At the time, it had a market cap of $4.03 billion and a volume of 312,000 shares. Receive SWX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Southwest Gas and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+0.16%1 Month Performance-5.45%3 Month Performance-10.18%Year-To-Date Performance-2.30%1 Year Performance-10.87%5 Year Performance-5.93% SWX Stock Chart for Thursday, May, 22, 2025 SWX Chart by TradingView Southwest Gas 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 Capitalization05/21/2025$71.04$69.09-2.75%$70.89$68.92431,398 shs$4.97 billion05/20/2025$71.38$71.04-0.48%$71.40$70.49527,386 shs$5.11 billion05/19/2025$68.98$71.38+3.49%$71.70$68.88637,133 shs$5.13 billion05/16/2025$69.08$68.98-0.15%$69.70$68.78419,282 shs$4.96 billion05/15/2025$67.89$69.08+1.75%$69.39$67.70412,813 shs$4.96 billion05/14/2025$68.16$67.89-0.40%$68.45$66.93563,499 shs$4.88 billion05/13/2025$69.83$68.16-2.39%$70.17$67.46530,556 shs$4.90 billion05/12/2025$75.74$69.83-7.80%$74.29$69.70845,770 shs$5.02 billion05/09/2025$75.91$75.74-0.22%$76.32$75.00383,892 shs$5.44 billion05/08/2025$76.41$75.91-0.66%$77.02$75.42640,476 shs$5.45 billion Get the Latest News and Ratings for SWX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Southwest Gas and its competitors with MarketBeat's FREE daily newsletter. 05/07/2025$73.64$76.41+3.76%$77.21$73.51602,011 shs$5.49 billion05/06/2025$72.93$73.64+0.97%$74.03$72.45358,376 shs$5.29 billion05/05/2025$74.03$72.93-1.49%$73.89$72.81331,696 shs$5.24 billion05/02/2025$73.37$74.03+0.90%$74.21$72.98296,696 shs$5.32 billion05/01/2025$72.17$73.37+1.66%$73.72$71.30356,578 shs$5.27 billion04/30/2025$72.87$72.17-0.96%$72.85$70.63417,407 shs$5.19 billion04/29/2025$72.74$72.87+0.18%$73.11$72.23275,081 shs$5.24 billion04/28/2025$72.54$72.74+0.28%$73.06$72.18230,435 shs$5.23 billion04/25/2025$73.26$72.54-0.98%$73.06$72.20213,141 shs$5.21 billion04/24/2025$72.63$73.26+0.87%$73.72$72.69316,223 shs$5.26 billion04/23/2025$73.07$72.63-0.60%$73.95$72.02367,360 shs$5.22 billion04/22/2025$72.16$73.07+1.26%$73.70$72.47300,405 shs$5.25 billion04/21/2025$73.51$72.16-1.84%$73.49$71.55213,023 shs$5.18 billion Related Companies UGI Stock Price Chart National Fuel Gas Stock Price Chart New Jersey Resources Stock Price Chart Chesapeake Utilities Stock Price Chart Northwest Natural Stock Price Chart ONEOK Stock Price Chart Atmos Energy Stock Price Chart NextDecade Stock Price Chart Centuri Stock Price Chart RGC Resources Stock Price Chart Receive SWX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Southwest Gas and its competitors with MarketBeat's FREE daily newsletter. 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