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
- $181.03
- Market Cap
- $29.95B
- 52-Week High
- $190.13
- 52-Week Low
- $141.59
- 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 $1,245 as of May 2026, representing a +24.5% 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 $1,699 as of May 2026, representing a +70.0% 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 $2,219 as of May 2026, representing a +121.9% 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 $3,198 as of May 2026, representing a +219.8% 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 $143,872 as of May 2026, representing a +14287.2% total return.
Monthly Returns Heatmap
Over the past 42+ years (507 months), Atmos Energy Corporation (ATO) has averaged a monthly return of +1.15% with a median return of +1.30%. The stock had 298 positive months (59%) and 200 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 (-0.4%).
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 +13.71% with a median return of +12.75%. The compound annual growth rate (CAGR) is +12.27%. 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 | +8.59% | $166.70 | $181.03 |
| 2025 | +23.07% | $135.45 | $166.70 |
| 2024 | +23.35% | $109.81 | $135.45 |
| 2023 | +6.17% | $103.43 | $109.81 |
| 2022 | +9.63% | $94.34 | $103.43 |
| 2021 | +12.75% | $83.68 | $94.34 |
| 2020 | -12.73% | $95.88 | $83.68 |
| 2019 | +23.14% | $77.86 | $95.88 |
| 2018 | +10.39% | $70.53 | $77.86 |
| 2017 | +18.41% | $59.57 | $70.53 |
| 2016 | +20.45% | $49.45 | $59.57 |
| 2015 | +16.32% | $42.51 | $49.45 |
| 2014 | +26.50% | $33.61 | $42.51 |
| 2013 | +33.76% | $25.12 | $33.61 |
| 2012 | +9.75% | $22.89 | $25.12 |
| 2011 | +11.38% | $20.55 | $22.89 |
| 2010 | +11.27% | $18.47 | $20.55 |
| 2009 | +30.63% | $14.14 | $18.47 |
| 2008 | -11.19% | $15.92 | $14.14 |
| 2007 | -8.24% | $17.35 | $15.92 |
| 2006 | +27.51% | $13.61 | $17.35 |
| 2005 | +0.06% | $13.60 | $13.61 |
| 2004 | +18.14% | $11.51 | $13.60 |
| 2003 | +9.67% | $10.50 | $11.51 |
| 2002 | +15.73% | $9.07 | $10.50 |
| 2001 | -8.24% | $9.88 | $9.07 |
| 2000 | +26.61% | $7.81 | $9.88 |
| 1999 | -33.67% | $11.77 | $7.81 |
| 1998 | +10.53% | $10.65 | $11.77 |
| 1997 | +30.73% | $8.14 | $10.65 |
| 1996 | +8.31% | $7.52 | $8.14 |
| 1995 | +42.00% | $5.30 | $7.52 |
| 1994 | -3.04% | $5.46 | $5.30 |
| 1993 | +23.17% | $4.43 | $5.46 |
| 1992 | +8.22% | $4.10 | $4.43 |
| 1991 | +47.92% | $2.77 | $4.10 |
| 1990 | -0.43% | $2.78 | $2.77 |
| 1989 | +13.96% | $2.44 | $2.78 |
| 1988 | +32.65% | $1.84 | $2.44 |
| 1987 | -17.65% | $2.23 | $1.84 |
| 1986 | -7.03% | $2.40 | $2.23 |
| 1985 | +63.06% | $1.47 | $2.40 |
| 1984 | +18.05% | $1.25 | $1.47 |
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: 3/24/2026