Atmos Energy - 15 Year Stock Price History | ATO
Historical daily share price chart and data for Atmos Energy since 2011 adjusted for splits and dividends. The latest closing stock price for Atmos Energy as of September 18, 2026 is 160.30.
- The all-time high Atmos Energy stock closing price was 190.06 on April 09, 2026.
- The Atmos Energy 52-week high stock price is 192.51, which is 20.1% above the current share price.
- The Atmos Energy 52-week low stock price is 159.98, which is 0.2% below the current share price.
- The average Atmos Energy stock price for the last 52 weeks is 174.85.
| Atmos Energy Historical Annual Stock Price Data | ||||||
|---|---|---|---|---|---|---|
| Year | Average Stock Price | Year Open | Year High | Year Low | Year Close | Annual % Change |
| 2026 | 174.1703 | 166.4730 | 190.0620 | 160.3000 | 160.3000 | -2.71% |
| 2025 | 154.6966 | 132.9360 | 175.1300 | 131.2240 | 164.7720 | 23.08% |
| 2024 | 119.2984 | 109.4980 | 145.5670 | 103.8410 | 133.8780 | 23.35% |
| 2023 | 105.7419 | 101.4340 | 114.9390 | 95.5431 | 108.5330 | 6.17% |
| 2022 | 100.9954 | 93.4607 | 109.9010 | 88.9349 | 102.2270 | 9.63% |
| 2021 | 84.0451 | 81.4907 | 93.3005 | 73.8193 | 93.2471 | 12.75% |
| 2020 | 87.0421 | 93.5125 | 102.1450 | 68.5290 | 82.7040 | -12.73% |
| 2019 | 87.8856 | 74.5773 | 96.6130 | 74.5773 | 94.7663 | 23.14% |
| 2018 | 73.0807 | 69.0229 | 82.5870 | 63.3332 | 76.9595 | 10.40% |
| 2017 | 66.8693 | 59.1917 | 74.9074 | 58.1277 | 69.7128 | 18.41% |
| 2016 | 57.3142 | 48.3585 | 63.8074 | 47.8701 | 58.8741 | 20.45% |
| 2015 | 43.0405 | 42.1394 | 49.8162 | 39.2221 | 48.8780 | 16.32% |
| 2014 | 37.0127 | 32.6670 | 43.7827 | 32.3160 | 42.0187 | 26.50% |
| 2013 | 30.1402 | 25.2909 | 34.1340 | 24.8243 | 33.2155 | 33.76% |
| 2012 | 23.5303 | 22.4906 | 25.7970 | 20.9869 | 24.8313 | 9.75% |
| Sector | Industry | Market Cap | Revenue |
|---|---|---|---|
| Utilities | Utility - Natural Gas Distribution | $27.089B | $4.703B |
| Atmos Energy Corporation, along with its subsidiaries, is engaged in regulated natural gas distribution and storage business. The company serves natural gas distribution customers from the Blue Ridge Mountains in the East to the Rocky Mountains in the West. The company operates miles of transmission and distribution lines as well as miles of interstate pipelines. Atmos Energy's operating strategy has been focused on modernizing its transmission and distribution network as well as reducing regulatory lag. | |||
| Stock Name | Country | Market Cap | PE Ratio |
|---|---|---|---|
| Hong Kong & China Gas (HOKCY) | Hong Kong, SAR China | $16.408B | 0.00 |
| Centrica (CPYYY) | United Kingdom | $9.389B | 0.00 |
| UGI (UGI) | United States | $8.078B | 12.90 |
| ENN Energy Holdings (XNGSY) | China | $7.165B | 0.00 |
| Southwest Gas (SWX) | United States | $6.219B | 22.71 |
| NewJersey Resources (NJR) | United States | $5.410B | 14.65 |
| Enagas SA (ENGGY) | Spain | $5.015B | 0.00 |
| ONE Gas (OGS) | United States | $4.726B | 15.50 |
| Spire (SR) | United States | $4.684B | 16.51 |
| MDU Resources (MDU) | United States | $3.799B | 19.74 |
| Chesapeake Utilities (CPK) | United States | $3.167B | 20.92 |
| Northwest Natural Gas (NWN) | United States | $2.035B | 16.11 |
| Clean Energy Fuels (CLNE) | United States | $0.372B | 0.00 |