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Atmos Energy (ATO) Stock Chart & Stock Price History

Atmos Energy logo
$178.02 -0.50 (-0.28%)
Closing price 05/19/2026 03:59 PM Eastern
Extended Trading
$177.70 -0.33 (-0.18%)
As of 05/19/2026 07:17 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 Massive. Learn more.
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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 11.99%, with a year-to-date return of 6.21%. In the past month, the stock has decreased 4.47%, reflecting recent market activity.

As of the latest close, Atmos Energy traded at $178.02 with a market cap of $29.72 billion and volume of 2.33 million shares. Five years ago, the stock traded at $98.32, representing a 81.06% increase over that period. At the time, it had a market cap of $12.85 billion and a volume of 529,747 shares.

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5 Day
Performance
+0.88%
1 Month
Performance
-4.47%
3 Month
Performance
-1.59%
Year-To-Date
Performance
+6.21%
1 Year
Performance
+11.99%
5 Year
Performance
+81.06%

ATO Stock Chart for Wednesday, May, 20, 2026

ATO Chart by TradingView

Atmos Energy Stock Price History

Export
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
05/19/2026$178.93$178.02
-0.51%		$180.56$177.572.33 million shs$29.72 billion
05/18/2026$176.48$178.93
+1.39%		$179.81$176.991.76 million shs$29.46 billion
05/15/2026$180.78$176.48
-2.38%		$181.22$176.291.62 million shs$29.46 billion
05/14/2026$179.71$180.78
+0.60%		$181.37$179.651.62 million shs$30.18 billion
05/13/2026$181.97$179.71
-1.24%		$181.08$178.031.38 million shs$30.00 billion
05/12/2026$181.92$181.97
+0.03%		$183.43$180.91903,869 shs$30.37 billion
05/11/2026$180.96$181.92
+0.53%		$183.14$180.61796,361 shs$30.37 billion
05/08/2026$181.69$180.96
-0.41%		$184.83$180.851.14 million shs$30.19 billion
05/07/2026$184.67$181.69
-1.61%		$190.19$180.681.87 million shs$30.06 billion
05/06/2026$187.25$184.67
-1.38%		$188.98$183.70906,835 shs$30.55 billion
05/05/2026N/A$187.25$188.90$185.57860,904 shs$30.98 billion
04/30/2026$185.86$189.94
+2.20%		$190.10$185.921.17 million shs$31.42 billion
04/29/2026$187.13$185.86
-0.68%		$187.22$185.57696,702 shs$30.75 billion
04/28/2026$185.67$187.13
+0.79%		$187.82$185.71457,580 shs$30.96 billion
04/27/2026$185.47$185.67
+0.11%		$187.50$185.56845,206 shs$30.72 billion
04/24/2026$187.99$185.47
-1.34%		$187.41$185.11617,296 shs$30.68 billion
04/23/2026$182.26$187.99
+3.14%		$188.54$182.47727,211 shs$31.10 billion
04/22/2026$182.99$182.26
-0.40%		$184.65$181.32846,021 shs$30.15 billion
04/21/2026$186.35$182.99
-1.80%		$187.35$182.68608,125 shs$30.27 billion
04/20/2026$186.51$186.35
-0.08%		$187.71$186.00514,430 shs$30.83 billion
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This page (NYSE:ATO) was last updated on 5/20/2026 by MarketBeat.com Staff.
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