Atmos Energy (ATO) Stock Chart & Stock Price History $157.27 +1.98 (+1.28%) Closing price 05/23/2025 03:59 PM EasternExtended Trading$157.25 -0.02 (-0.01%) As of 05/23/2025 07:25 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 Atmos Energy Stock Price Performance The Atmos Energy (ATO) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 39.66%, with a year-to-date return of 12.93%. In the past month, the stock has decreased 1.50%, reflecting recent market activity. As of the latest close, Atmos Energy traded at $157.27 with a market cap of $24.98 billion and volume of 984,665 shares. Five years ago, the stock traded at $98.33, representing a 59.94% increase over that period. At the time, it had a market cap of $12.16 billion and a volume of 602,509 shares. Receive ATO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Atmos Energy and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-1.62%1 Month Performance-1.50%3 Month Performance+4.53%Year-To-Date Performance+12.93%1 Year Performance+39.66%5 Year Performance+59.94% ATO Stock Chart for Saturday, May, 24, 2025 ATO Chart by TradingView Atmos Energy 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 Capitalization05/23/2025$155.18$157.27+1.35%$157.52$154.80984,665 shs$24.98 billion05/22/2025$156.87$155.18-1.08%$156.89$154.141.13 million shs$24.65 billion05/21/2025$158.96$156.87-1.32%$158.94$156.661.13 million shs$24.92 billion05/20/2025$159.86$158.96-0.56%$160.30$158.791.08 million shs$25.25 billion05/19/2025$157.61$159.86+1.43%$160.00$157.081.23 million shs$25.39 billion05/16/2025$155.80$157.61+1.16%$157.68$154.961.21 million shs$25.03 billion05/15/2025$152.24$155.80+2.34%$156.03$152.431.09 million shs$24.75 billion05/14/2025$153.68$152.24-0.94%$153.64$150.001.50 million shs$24.18 billion05/13/2025$155.18$153.68-0.97%$155.90$153.45998,546 shs$24.41 billion05/12/2025$159.87$155.18-2.93%$159.94$153.831.28 million shs$24.65 billion Get the Latest News and Ratings for ATO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Atmos Energy and its competitors with MarketBeat's FREE daily newsletter. 05/09/2025$161.27$159.87-0.87%$161.65$157.811.11 million shs$25.38 billion05/08/2025$162.90$161.27-1.00%$167.45$160.831.84 million shs$25.60 billion05/07/2025$162.13$162.90+0.48%$163.47$161.221.33 million shs$25.86 billion05/06/2025$161.42$162.13+0.44%$162.90$161.191.04 million shs$25.73 billion05/05/2025$161.51$161.42-0.06%$161.54$159.351.11 million shs$25.62 billion05/02/2025$160.23$161.51+0.80%$161.65$159.66662,995 shs$25.64 billion05/01/2025$160.61$160.23-0.24%$161.67$159.161.22 million shs$25.43 billion04/30/2025$159.73$160.61+0.55%$161.05$156.631.64 million shs$25.49 billion04/29/2025$158.72$159.73+0.63%$160.08$157.89650,848 shs$25.35 billion04/28/2025$158.30$158.72+0.27%$158.83$156.161.15 million shs$25.19 billion04/25/2025$159.66$158.30-0.85%$159.66$157.011.25 million shs$25.13 billion04/24/2025$159.72$159.66-0.04%$160.06$158.171.50 million shs$25.34 billion04/23/2025$160.10$159.72-0.23%$161.47$157.881.79 million shs$25.35 billion Related Companies OKE Stock Price Chart UGI Stock Price Chart NFG Stock Price Chart SWX Stock Price Chart NJR Stock Price Chart CPK Stock Price Chart NWN Stock Price Chart LNG Stock Price Chart CQP Stock Price Chart VG Stock Price Chart Receive ATO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Atmos Energy and its competitors with MarketBeat's FREE daily newsletter. 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