About Atmos Energy Corporation (ATO)
Atmos Energy Corporation is a Utilities - Regulated Gas company operating in the Utilities sector.
ATO trades on the US stock exchanges (NYSE/NASDAQ) and is classified as a large-cap stock .
Key Statistics
- Current Price
- $172.41
- Market Cap
- $29.14B
- 52-Week High
- $192.51
- 52-Week Low
- $154.72
- Sector
- Utilities
- Industry
- Utilities - Regulated Gas
$1,000 Invested in Atmos Energy Corporation (ATO)
How much would $1,000 invested in ATO be worth today?
What would $1,000 invested in ATO 1 year ago be worth today?
A $1,000 investment in Atmos Energy Corporation (ATO) in 2025 would be worth $1,018 as of November 2026, representing a +1.8% total return.
What would $1,000 invested in ATO 3 years ago be worth today?
A $1,000 investment in Atmos Energy Corporation (ATO) in 2023 would be worth $1,705 as of November 2026, representing a +70.5% total return.
What would $1,000 invested in ATO 5 years ago be worth today?
A $1,000 investment in Atmos Energy Corporation (ATO) in 2021 would be worth $2,071 as of November 2026, representing a +107.1% total return.
What would $1,000 invested in ATO 10 years ago be worth today?
A $1,000 investment in Atmos Energy Corporation (ATO) in 2016 would be worth $3,047 as of November 2026, representing a +204.7% total return.
What would $1,000 invested in ATO at IPO be worth today?
A $1,000 investment in Atmos Energy Corporation (ATO) at IPO would be worth $138,627 as of November 2026, representing a +13762.7% total return.
Monthly Returns Heatmap
Over the past 42+ years (514 months), Atmos Energy Corporation (ATO) has averaged a monthly return of +1.13% with a median return of +1.29%. The stock had 302 positive months (59%) and 203 negative months (39%). The best month in ATO's history was June 1996 with a +26.9% return, while the worst was July 1996 at -30.2%. Historically, November tends to be the strongest month (averaging +3.0%), and September the weakest (-0.5%).
ATO's longest winning streak was 8 consecutive months of gains, while its longest losing streak was 8 consecutive months of losses. The best full year was 1985 with a cumulative return of +52.6%, and the worst was 1999 at -38.0%.
Annual Returns
Over 43 years of trading history, Atmos Energy Corporation (ATO) has delivered an average annual return of +13.62% with a median return of +12.75%. The compound annual growth rate (CAGR) is +12.18%. The stock posted gains in 34 years (79%) and losses in 9 years (21%).
ATO's best year was 1985 with a +63.06% gain, while the worst was 1999 at -33.67%. The longest streak of consecutive positive years was 11, and the longest losing streak was 2 years. ATO achieved double-digit gains (10%+) in 26 years. It suffered double-digit losses in 4 years.
| Year | Return | Start | End |
|---|---|---|---|
| 2026 | +4.64% | $164.77 | $172.41 |
| 2025 | +23.07% | $133.88 | $164.77 |
| 2024 | +23.35% | $108.54 | $133.88 |
| 2023 | +6.17% | $102.23 | $108.54 |
| 2022 | +9.63% | $93.25 | $102.23 |
| 2021 | +12.75% | $82.71 | $93.25 |
| 2020 | -12.73% | $94.77 | $82.71 |
| 2019 | +23.14% | $76.96 | $94.77 |
| 2018 | +10.40% | $69.71 | $76.96 |
| 2017 | +18.41% | $58.88 | $69.71 |
| 2016 | +20.45% | $48.88 | $58.88 |
| 2015 | +16.32% | $42.02 | $48.88 |
| 2014 | +26.50% | $33.22 | $42.02 |
| 2013 | +33.76% | $24.83 | $33.22 |
| 2012 | +9.75% | $22.63 | $24.83 |
| 2011 | +11.38% | $20.31 | $22.63 |
| 2010 | +11.27% | $18.26 | $20.31 |
| 2009 | +30.63% | $13.98 | $18.26 |
| 2008 | -11.19% | $15.74 | $13.98 |
| 2007 | -8.24% | $17.15 | $15.74 |
| 2006 | +27.51% | $13.45 | $17.15 |
| 2005 | +0.06% | $13.44 | $13.45 |
| 2004 | +18.14% | $11.38 | $13.44 |
| 2003 | +9.67% | $10.37 | $11.38 |
| 2002 | +15.73% | $8.96 | $10.37 |
| 2001 | -8.24% | $9.77 | $8.96 |
| 2000 | +26.61% | $7.72 | $9.77 |
| 1999 | -33.67% | $11.63 | $7.72 |
| 1998 | +10.53% | $10.52 | $11.63 |
| 1997 | +30.73% | $8.05 | $10.52 |
| 1996 | +8.31% | $7.43 | $8.05 |
| 1995 | +42.00% | $5.23 | $7.43 |
| 1994 | -3.04% | $5.40 | $5.23 |
| 1993 | +23.17% | $4.38 | $5.40 |
| 1992 | +8.22% | $4.05 | $4.38 |
| 1991 | +47.92% | $2.74 | $4.05 |
| 1990 | -0.43% | $2.75 | $2.74 |
| 1989 | +13.96% | $2.41 | $2.75 |
| 1988 | +32.65% | $1.82 | $2.41 |
| 1987 | -17.65% | $2.21 | $1.82 |
| 1986 | -7.03% | $2.38 | $2.21 |
| 1985 | +63.06% | $1.46 | $2.38 |
| 1984 | +18.05% | $1.23 | $1.46 |
Frequently Asked Questions: ATO
What sector is ATO in? ▼
ATO operates in the Utilities sector, specifically in the Utilities - Regulated Gas industry.
How has ATO performed historically? ▼
Over 43 years of trading history, ATO has posted gains in 34 years (79% of the time). The best year was 1985 with a +63.1% return. Past performance does not guarantee future results.
How can I invest in ATO? ▼
You can invest in ATO through any brokerage account that offers access to US stock exchanges. Popular options include commission-free brokers like Fidelity, Charles Schwab, or Robinhood (US), or international brokers like Interactive Brokers. You can buy individual shares or invest through ETFs that hold ATO.
Last updated: 11/1/2026