Southwest Gas (SWX) Stock Chart & Stock Price History $79.44 +0.72 (+0.91%) Closing price 10/8/2025 03:59 PM EasternExtended Trading$79.35 -0.09 (-0.11%) As of 10/8/2025 07:03 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 increased 9.15%, with a year-to-date return of 12.35%. In the past month, the stock has increased 3.10%, reflecting recent market activity. As of the latest close, Southwest Gas traded at $79.44 with a market cap of $5.72 billion and volume of 250,558 shares. Five years ago, the stock traded at $67.06, representing a 18.46% increase over that period. At the time, it had a market cap of $3.75 billion and a volume of 188,198 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. 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+1.32%1 Month Performance+3.10%3 Month Performance+4.53%Year-To-Date Performance+12.35%1 Year Performance+9.15%5 Year Performance+18.46% SWX Stock Chart for Thursday, October, 9, 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 Capitalization10/08/2025$78.70$79.44+0.94%$79.47$78.36250,558 shs$5.72 billion10/07/2025$78.26$78.70+0.57%$79.28$78.02297,523 shs$5.66 billion10/06/2025$78.41$78.26-0.19%$78.70$77.93366,504 shs$5.63 billion10/03/2025$78.18$78.41+0.30%$79.21$78.12312,408 shs$5.64 billion10/02/2025$77.93$78.18+0.31%$78.22$77.06611,082 shs$5.63 billion10/01/2025$78.38$77.93-0.57%$78.46$77.76333,708 shs$5.61 billion09/30/2025$78.03$78.38+0.45%$78.64$77.80369,512 shs$5.64 billion09/29/2025$78.20$78.03-0.23%$78.74$77.30425,915 shs$5.62 billion09/26/2025$78.04$78.20+0.21%$79.07$77.78674,342 shs$5.63 billion09/25/2025$79.28$78.04-1.56%$79.89$77.94529,112 shs$5.62 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. 09/24/2025$79.36$79.28-0.10%$79.99$79.02334,498 shs$5.71 billion09/23/2025$78.59$79.36+0.98%$79.72$78.53341,449 shs$5.71 billion09/22/2025$78.46$78.59+0.17%$78.83$78.00309,065 shs$5.66 billion09/19/2025$79.02$78.46-0.70%$79.28$78.111.15 million shs$5.65 billion09/18/2025$79.06$79.02-0.05%$79.66$78.43362,999 shs$5.69 billion09/17/2025$78.42$79.06+0.82%$79.86$78.35530,528 shs$5.69 billion09/16/2025$79.68$78.42-1.58%$79.45$78.03304,109 shs$5.64 billion09/15/2025$78.56$79.68+1.42%$79.80$78.05362,659 shs$5.74 billion09/12/2025$79.19$78.56-0.80%$79.74$78.49369,479 shs$5.65 billion09/11/2025$78.72$79.19+0.60%$79.35$78.39348,926 shs$5.70 billion09/10/2025$77.05$78.72+2.16%$78.82$77.26444,334 shs$5.67 billion09/09/2025$77.46$77.05-0.53%$77.75$76.59465,597 shs$5.55 billion09/08/2025$78.53$77.46-1.37%$79.36$77.17393,434 shs$5.58 billion Related Companies National Fuel Gas Stock Price Chart UGI Stock Price Chart NewJersey Resources Stock Price Chart Chesapeake Utilities Stock Price Chart Northwest Natural Gas Stock Price Chart ONEOK Stock Price Chart Atmos Energy Stock Price Chart ONE Gas Stock Price Chart Spire Stock Price Chart MDU Resources Group 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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