ATO Stock Summary and Trading Ideas (Atmos Energy | NYSE:ATO)

Atmos Energy is the largest publicly traded, fully regulated, pure-play natural gas utility in the United States, serving more than 3.3 million customers in Texas, Colorado, Kansas, Kentucky, Louisiana, Mississippi, Tennessee, and Virginia. About two thirds of its earnings come from Texas, where it distributes natural gas in northern Texas and owns an intrastate gas pipeline spanning several key shale gas formations and interconnected with five storage facilities.

Atmos Energy trades on the NYSE stock market under the symbol ATO.

As of November 10, 2026, ATO stock price climbed to $175.37 with 796,011 million shares trading.

ATO has a beta of -0.24, meaning it tends to be less sensitive to market movements. ATO has a correlation of 0.04 to the broad based SPY ETF.

ATO has a market cap of $29.64 billion. This is considered a Large Cap stock.

In the last 3 years, ATO traded as high as $192.51 and as low as $110.40.

The top ETF exchange traded funds that ATO belongs to (by Net Assets): VTI, VOO, VB, XLU, IVV.

ATO has underperformed the market in the last year with a return of +1.4%, while SPY returned +12.9%. This shows that you would have done better investing in the overall market (through SPY) over the last year than in ATO shares. However, ATO has outperformed the market in the last 3 month and 2 week periods, returning +3.6% and +2.4%, while SPY returned -2.8% and -2.0%, respectively. This indicates ATO has been having a stronger performance recently.

ATO support price is $171.34 and resistance is $175.36 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that ATO shares will trade within this expected range on the day.