Atmos Energy (ATO) Stock Chart & Stock Price History $152.40 +1.46 (+0.97%) Closing price 03:59 PM EasternExtended Trading$152.46 +0.05 (+0.03%) As of 05:42 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 Atmos Energy Stock Price Performance 5 Day Performance+2.47%1 Month Performance+0.07%3 Month Performance+9.36%6 Month Performance+10.61%Year-To-Date Performance+9.43%1 Year Performance+28.24% 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 ATO Stock Chart for Friday, March, 28, 2025 ATO Chart by TradingViewRemove Ads Atmos Energy Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization03/28/2025$150.98$152.40+0.94%$153.40$151.60858,334 shs$24.19 billion03/27/2025$150.10$150.98+0.59%$151.95$150.28661,547 shs$23.96 billion03/26/2025$148.43$150.10+1.12%$150.83$148.20633,995 shs$23.82 billion03/25/2025$149.60$148.43-0.78%$149.63$147.32875,833 shs$23.56 billion03/24/2025$148.72$149.60+0.59%$150.52$148.00694,286 shs$23.75 billion03/21/2025$150.72$148.72-1.33%$152.04$147.901.94 million shs$23.61 billion03/20/2025$150.81$150.72-0.06%$151.39$149.871.06 million shs$23.92 billion03/19/2025$150.53$150.81+0.19%$151.10$149.37702,373 shs$23.94 billion03/18/2025$151.54$150.53-0.66%$151.15$149.47645,435 shs$23.89 billion03/17/2025$150.12$151.54+0.95%$152.44$149.80936,374 shs$24.05 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. 03/14/2025$147.06$150.12+2.08%$150.33$146.66795,673 shs$23.83 billion03/13/2025$147.20$147.06-0.10%$148.53$146.21811,100 shs$23.34 billion03/12/2025$148.82$147.20-1.09%$148.25$146.25644,411 shs$23.36 billion03/11/2025$149.80$148.82-0.65%$150.31$148.111.02 million shs$23.62 billion03/10/2025$148.63$149.80+0.78%$152.99$147.91926,688 shs$23.78 billion03/07/2025$146.33$148.63+1.57%$149.40$146.091.32 million shs$23.59 billion03/06/2025$148.23$146.33-1.28%$148.04$145.161.09 million shs$23.23 billion03/05/2025$149.55$148.23-0.89%$149.68$147.69724,059 shs$23.53 billion03/04/2025$153.65$149.55-2.67%$154.55$149.301.07 million shs$23.74 billion03/03/2025$152.30$153.65+0.89%$154.04$151.70790,779 shs$24.39 billion02/28/2025$149.98$152.30+1.55%$152.35$150.331.07 million shs$24.17 billion02/27/2025$149.97$149.98+0.01%$150.85$148.69962,115 shs$23.81 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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