What is the current annual net margin of ATO?

As of today, ATO annual net margin is 25.48%

What is 1-year change in ATO annual net margin?

ATO annual net margin is up +1.80% year-over-year

What is 3-year change in ATO annual net margin?

ATO annual net margin is up +38.33% over the past 3 years

How far is ATO annual net margin from its all-time high?

ATO annual net margin is currently at its all-time high

How does ATO annual net margin rank versus sector peers?

ATO annual net margin is higher than 95.24% of companies in Utilities sector

When is ATO next annual earnings release?

The next annual earnings release for ATO is on November 4, 2026

What is the current quarterly net margin of ATO?

As of today, ATO quarterly net margin is 27.60%

What is ATO quarterly net margin most recent change?

ATO quarterly net margin was down -6.88% on June 30, 2026

What is 1-year change in ATO quarterly net margin?

ATO quarterly net margin is up +24.21% year-over-year

How far is ATO quarterly net margin from its all-time high?

ATO quarterly net margin is currently -21.79% below its historical high of 35.29% set on December 31, 2017

How does ATO quarterly net margin rank versus sector peers?

ATO quarterly net margin is higher than 96.12% of companies in Utilities sector

When is ATO next earnings release?

The next earnings release for ATO is on November 4, 2026

ATO Net Margin History & Chart Since 1984

Annual Net Margin

25.48%0.45%+1.80%

September 30, 2025

Summary

Current Value: As of today, ATO annual net margin is 25.48%, up +1.80% on September 30, 2025
Historical Performance: ATO annual net margin is up +38.33% over the past 3 years, up +19.62% over the past 5 years
All-Time High Comparison: ATO annual net margin is currently at its all-time high
3-Year Low Comparison: ATO annual net margin is +38.33% above its 3-year low of 18.42% reached on an earlier date
Sector Comparison: ATO annual net margin is higher than 95.24% of companies in Utilities sector

Net Margin Chart

beforeafter

Performance

ATO Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Net Margin	Sep 30, 25	25.48%	+1.8%	+38.3%	+19.6%	+491.2%
Quarterly Net Margin	Jun 30, 26	27.60%	+24.2%	+32.8%	+63.3%	+10000.0%
Price	Aug 21, 26	$166.85	+0.0%	+42.9%	+68.9%	+425.5%
PE Ratio	Aug 21, 26	19.86	-13.8%	-0.6%	+6.8%	+42.6%
Annual Revenue	Sep 30, 25	$4.70B	+12.9%	+11.9%	+66.7%	-0.6%
Annual Net Income	Sep 30, 25	$1.20B	+15.0%	+54.8%	+99.4%	+488.2%
Annual Gross Margin	Sep 30, 25	42.51%	+1.6%	+40.3%	+8.8%	+84.9%
Annual Operating Margin	Sep 30, 25	33.17%	+1.9%	+51.3%	+13.6%	+265.7%

Net Margin Highs

ATO Annual Net Margin Highs Comparison
Period	High	Date	Current
3Y	25.48%	Sep 30, 25	at high
5Y	25.48%	Sep 30, 25	at high
All	25.48%	Sep 30, 25	at high

Net Margin Lows

ATO Annual Net Margin Lows Comparison
Period	Low	Date	Current
3Y	18.42%	N/A	+38.3%
5Y	18.42%	Sep 30, 22	+38.3%
All	0.00%	Sep 30, 85	N/A

Net Margin History

Year	Value	Change
2025	25.48%	+1.8%
2024	25.03%	+20.9%
2023	20.71%	+12.4%
2022	18.42%	-5.6%
2021	19.52%	-8.4%
2020	21.30%	+21.0%
2019	17.61%	-8.9%
2018	19.34%	+39.6%
2017	13.85%	-1.5%
2016	14.06%	+85.2%
2015	7.59%	+29.7%
2014	5.85%	-1.2%
2013	5.92%	+6.3%
2012	5.57%	+23.0%
2011	4.53%	+5.1%
2010	4.31%	+12.2%
2009	3.84%	+53.6%
2008	2.50%	-12.6%
2007	2.86%	+19.2%
2006	2.40%	-12.1%
2005	2.73%	-7.5%

Year	Value	Change
2004	2.95%	+3.9%
2003	2.84%	-54.7%
2002	6.27%	+61.2%
2001	3.89%	-7.8%
2000	4.22%	+64.2%
1999	2.57%	-60.6%
1998	6.52%	+147.9%
1997	2.63%	-46.9%
1996	4.95%	+14.3%
1995	4.33%	+47.3%
1994	2.94%	-27.2%
1993	4.04%	+36.9%
1992	2.95%	+25.0%
1991	2.36%	-7.5%
1990	2.55%	+8.1%
1989	2.36%	-28.0%
1988	3.28%	+41.4%
1987	2.32%	+47.8%
1986	1.57%	>+9,900.0%
1985	0.00%	-100.0%
1984	1.56%	-

FAQ

What is the current annual net margin of ATO?: As of today, ATO annual net margin is 25.48%
What is 1-year change in ATO annual net margin?: ATO annual net margin is up +1.80% year-over-year
What is 3-year change in ATO annual net margin?: ATO annual net margin is up +38.33% over the past 3 years
How far is ATO annual net margin from its all-time high?: ATO annual net margin is currently at its all-time high
How does ATO annual net margin rank versus sector peers?: ATO annual net margin is higher than 95.24% of companies in Utilities sector
When is ATO next annual earnings release?: The next annual earnings release for ATO is on November 4, 2026

Net Margin Formula

Net Margin = Net Income

Revenue × 100%

Quarterly Net Margin

27.60%2.04%-6.88%

June 30, 2026

Summary

Current Value: As of today, ATO quarterly net margin is 27.60%, down -6.88% on June 30, 2026
Historical Performance: ATO quarterly net margin is up +24.21% year-over-year, up +32.82% over the past 3 years
All-Time High Comparison: ATO quarterly net margin is currently -21.79% below its historical high of 35.29% set on December 31, 2017
3-Year Low Comparison: ATO quarterly net margin is +36.90% above its 3-year low of 20.16% reached on September 30, 2023
Sector Comparison: ATO quarterly net margin is higher than 96.12% of companies in Utilities sector

Performance

ATO Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Net Margin	Jun 30, 26	27.60%	-6.9%	+24.2%	+32.8%	+63.3%
Annual Net Margin	Sep 30, 25	25.48%	–	+1.8%	+38.3%	+19.6%
Price	Aug 21, 26	$166.85	-6.0%	+0.0%	+42.9%	+68.9%
PE Ratio	Aug 21, 26	19.86	-9.1%	-13.8%	-0.6%	+6.8%
Quarterly Revenue	Jun 30, 26	$879.06M	-55.2%	+4.8%	+32.6%	+45.2%
Quarterly Net Income	Jun 30, 26	$242.61M	-58.3%	+30.2%	+76.2%	+137.1%
Quarterly Gross Margin	Jun 30, 26	50.75%	+10.2%	+12.9%	+23.5%	+43.0%
Quarterly Operating Margin	Jun 30, 26	36.45%	-6.5%	+21.3%	+42.7%	+65.5%

Quarterly Net Margin Highs

ATO Quarterly Net Margin Highs Comparison
Period	High	Date	Current
1Y	30.00%	Dec 31, 25	-8.0%
3Y	30.00%	Dec 31, 25	-8.0%
5Y	30.00%	Dec 31, 25	-8.0%
All	35.29%	Dec 31, 17	-21.8%

Quarterly Net Margin Lows

ATO Quarterly Net Margin Lows Comparison
Period	Low	Date	Current
1Y	22.22%	N/A	+24.2%
3Y	20.16%	Sep 30, 23	+36.9%
5Y	8.57%	Sep 30, 21	+222.1%
All	-19.40%	Sep 30, 99	+242.3%

Quarterly Net Margin History

Month	Value	Change
Jun 2026	27.60%	-6.9%
Mar 2026	29.64%	-1.2%
Dec 2025	30.00%	+26.5%
Sep 2025	23.71%	+6.7%
Jun 2025	22.22%	-10.7%
Mar 2025	24.88%	-16.8%
Dec 2024	29.91%	+46.9%
Sep 2024	20.36%	-13.7%
Jun 2024	23.59%	-10.0%
Mar 2024	26.21%	-2.4%
Dec 2023	26.86%	+33.2%
Sep 2023	20.16%	-3.0%
Jun 2023	20.78%	-10.4%
Mar 2023	23.20%	+26.7%
Dec 2022	18.31%	+84.8%
Sep 2022	9.91%	-37.0%
Jun 2022	15.74%	-20.1%
Mar 2022	19.69%	-19.9%
Dec 2021	24.59%	+186.9%
Sep 2021	8.57%	-49.3%
Jun 2021	16.90%	-24.8%
Mar 2021	22.48%	-5.5%
Dec 2020	23.79%	+73.0%
Sep 2020	13.75%	-42.4%
Jun 2020	23.88%	-2.5%
Mar 2020	24.49%	+20.1%
Dec 2019	20.39%	+54.9%
Sep 2019	13.16%	-20.5%
Jun 2019	16.55%	-15.6%
Mar 2019	19.62%	+9.4%
Dec 2018	17.94%	+106.0%
Sep 2018	8.71%	-31.1%
Jun 2018	12.65%	-13.8%
Mar 2018	14.67%	-58.4%
Dec 2017	35.29%	+358.3%
Sep 2017	7.70%	-42.7%
Jun 2017	13.43%	-18.0%
Mar 2017	16.38%	+12.2%
Dec 2016	14.60%	+81.8%
Sep 2016	8.03%	-44.5%
Jun 2016	14.48%	-9.7%
Mar 2016	16.04%	+6.8%
Dec 2015	15.02%	+319.6%
Sep 2015	3.58%	-56.2%
Jun 2015	8.18%	-8.3%
Mar 2015	8.92%	+15.2%
Dec 2014	7.74%	+154.6%
Sep 2014	3.04%	-37.2%
Jun 2014	4.84%	-28.5%
Mar 2014	6.77%	-2.0%
Dec 2013	6.91%	+528.2%
Sep 2013	1.10%	-71.7%
Jun 2013	3.89%	-54.6%
Mar 2013	8.56%	+14.9%
Dec 2012	7.45%	+494.2%
Sep 2012	-1.89%	-136.2%
Jun 2012	5.22%	-36.0%
Mar 2012	8.16%	+38.5%
Dec 2011	5.89%	+5,008.3%
Sep 2011	-0.12%	+33.3%
Jun 2011	-0.18%	-102.2%
Mar 2011	8.19%	+28.0%
Dec 2010	6.40%	+3,100.0%
Sep 2010	0.20%	+148.8%
Jun 2010	-0.41%	-107.0%
Mar 2010	5.88%	-20.0%
Dec 2009	7.35%	+400.0%
Sep 2009	-2.45%	-1,080.0%
Jun 2009	0.25%	-96.5%
Mar 2009	7.08%	+59.8%
Dec 2008	4.43%	+3,927.3%
Sep 2008	0.11%	+127.5%
Jun 2008	-0.40%	-108.9%
Mar 2008	4.49%	+0.9%
Dec 2007	4.45%	+854.2%
Sep 2007	-0.59%	+46.4%
Jun 2007	-1.10%	-121.4%
Mar 2007	5.13%	+1.2%
Dec 2006	5.07%	+717.7%
Sep 2006	0.62%	+129.5%
Jun 2006	-2.10%	-148.1%
Mar 2006	4.37%	+40.5%
Dec 2005	3.11%	+286.2%
Sep 2005	-1.67%	-440.8%
Jun 2005	0.49%	-90.7%

Month	Value	Change
Mar 2005	5.25%	+20.7%
Dec 2004	4.35%	+434.6%
Sep 2004	-1.30%	-249.4%
Jun 2004	0.87%	-83.3%
Mar 2004	5.22%	+34.9%
Dec 2003	3.87%	+791.1%
Sep 2003	-0.56%	-600.0%
Jun 2003	-0.08%	-101.0%
Mar 2003	8.04%	+25.2%
Dec 2002	6.42%	+258.1%
Sep 2002	-4.06%	-302.0%
Jun 2002	2.01%	-81.6%
Mar 2002	10.90%	+43.4%
Dec 2001	7.60%	+261.0%
Sep 2001	-4.72%	-128.0%
Jun 2001	-2.07%	-131.7%
Mar 2001	6.53%	+25.8%
Dec 2000	5.19%	+330.7%
Sep 2000	-2.25%	+22.1%
Jun 2000	-2.89%	-130.7%
Mar 2000	9.41%	+47.5%
Dec 1999	6.38%	+132.9%
Sep 1999	-19.40%	-301.7%
Jun 1999	-4.83%	-143.9%
Mar 1999	11.01%	+50.4%
Dec 1998	7.32%	+336.9%
Sep 1998	-3.09%	-349.2%
Jun 1998	1.24%	-90.4%
Mar 1998	12.96%	+90.3%
Dec 1997	6.81%	+137.1%
Sep 1997	-18.36%	-778.5%
Jun 1997	-2.09%	-124.8%
Mar 1997	8.44%	+30.0%
Dec 1996	6.49%	+130.1%
Sep 1996	2.82%	+781.3%
Jun 1996	0.32%	-96.7%
Mar 1996	9.63%	+36.6%
Dec 1995	7.05%	+231.0%
Sep 1995	2.13%	+1,675.0%
Jun 1995	0.12%	-98.6%
Mar 1995	8.84%	+60.1%
Dec 1994	5.52%	+197.0%
Sep 1994	-5.69%	-327.8%
Jun 1994	-1.33%	-118.8%
Mar 1994	7.06%	+44.7%
Dec 1993	4.88%	+233.0%
Sep 1993	-3.67%	-318.5%
Jun 1993	1.68%	-79.0%
Mar 1993	8.00%	+55.0%
Dec 1992	5.16%	+251.8%
Sep 1992	-3.40%	-80.9%
Jun 1992	-1.88%	-126.0%
Mar 1992	7.24%	+64.5%
Dec 1991	4.40%	+195.0%
Sep 1991	-4.63%	-119.4%
Jun 1991	-2.11%	-132.8%
Mar 1991	6.43%	+71.9%
Dec 1990	3.74%	+204.5%
Sep 1990	-3.58%	-2,853.8%
Jun 1990	0.13%	-97.5%
Mar 1990	5.24%	+13.9%
Dec 1989	4.60%	+215.3%
Sep 1989	-3.99%	-141.8%
Jun 1989	-1.65%	-128.5%
Mar 1989	5.79%	+26.4%
Dec 1988	4.58%	+246.8%
Sep 1988	-3.12%	-9.5%
Jun 1988	-2.85%	-139.0%
Mar 1988	7.30%	+29.0%
Dec 1987	5.66%	+370.8%
Sep 1987	-2.09%	-183.6%
Jun 1987	2.50%	-44.1%
Mar 1987	4.47%	+111.8%
Dec 1986	2.11%	+288.4%
Sep 1986	-1.12%	+69.5%
Jun 1986	-3.67%	-171.7%
Mar 1986	5.12%	+68.4%
Dec 1985	3.04%	+484.6%
Sep 1985	0.52%	-40.2%
Jun 1985	0.87%	-78.4%
Mar 1985	4.03%	+36.1%
Dec 1984	2.96%	+572.7%
Sep 1984	0.44%	-44.3%
Jun 1984	0.79%	-61.7%
Mar 1984	2.06%	-

FAQ

What is the current quarterly net margin of ATO?: As of today, ATO quarterly net margin is 27.60%
What is ATO quarterly net margin most recent change?: ATO quarterly net margin was down -6.88% on June 30, 2026
What is 1-year change in ATO quarterly net margin?: ATO quarterly net margin is up +24.21% year-over-year
How far is ATO quarterly net margin from its all-time high?: ATO quarterly net margin is currently -21.79% below its historical high of 35.29% set on December 31, 2017
How does ATO quarterly net margin rank versus sector peers?: ATO quarterly net margin is higher than 96.12% of companies in Utilities sector
When is ATO next earnings release?: The next earnings release for ATO is on November 4, 2026

Net Margin Formula

Net Margin = Net Income

Revenue × 100%

Data Sources & References

ATO Official Website www.atmosenergy.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/731802/000073180225000056/0000731802-25-000056-index.htm
ATO Profile on Yahoo Finance finance.yahoo.com/quote/ATO
ATO Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ato