Atmos Energy Corporation ATO

157.21 0.79 0.51% as of 25 Sep
Market cap
$26.4B
P/E
18.5×
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Atmos Energy Corporation (ATO) P/E ratio

As of 25 September 2026, Atmos Energy Corporation (ATO) trades at a P/E ratio of 18.5×. Over the past ten years it has ranged from 14.3× (February 2018) to 27.0× (September 2019); the current reading is higher than 28% of that period. That is above the Utilities Regulated Gas industry median of 15.7× and in line with the Utilities sector median of 19.0×.

P/E ratio, daily

Annual

Period P/E ratio Change
FY2025 22.6× 12.16%
FY2024 20.2× 20.64%
FY2023 16.7× (6.99%)
FY2022 18.0× 5.28%
FY2021 17.1× (12.20%)
FY2020 19.5× (25.13%)
FY2019 26.0× 53.63%
FY2018 16.9× (25.04%)
FY2017 22.6× 3.09%
FY2016 21.9× 16.33%

Quarterly

Period P/E ratio Change
Jun 2026 20.3× (9.71%)
Mar 2026 22.5× 4.29%
Dec 2025 21.6× (4.73%)
Sep 2025 22.6× 7.71%
42 more quarters

Against its own ten years

Low 14.3× High 27.0×
Ten-year median 20.4×
Current reading's percentile 28

P/E ratio against peers

Company P/E ratio
SR Spire Inc. compare 8.6×
SWX Southwest Gas Corporation compare 10.7×
UGI UGI Corporation compare 11.7×
NJR NewJersey Resources Corporation compare 13.9×
OGS ONE Gas, Inc. compare 15.4×
BKH Black Hills Corporation compare 17.7×
ATO Atmos Energy Corporation 18.5×
MDU MDU Resources Group, Inc. compare 19.7×
NI NiSource, Inc compare 21.0×
Utilities Regulated Gas industry median 15.7×
Utilities sector median 19.0×
Market median 17.9×

What P/E ratio is

Price to Earnings Ratio shows how much investors pay for each dollar of a company’s annual profit per share.

Stock Price ÷ EPS (Basic) (TTM)

The full definition of P/E ratio →

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