What is the current 200-day SMA of ATO?

As of today, ATO 200-day SMA is $176.39

How does ATO 200-day SMA compare to its current price?

ATO 200-day SMA is +2.04% above its current market price

How far is ATO 200-day SMA from its all-time high?

ATO 200-day SMA is currently -0.01% below its historical high of $176.41 set on July 29, 2026

What is 1-year change in ATO 200-day SMA?

ATO 200-day SMA is up +18.28% year-over-year

What is the current 50-day SMA of ATO?

As of today, ATO 50-day SMA is $173.79

How does ATO 50-day SMA compare to its current price?

ATO 50-day SMA is +0.54% above its current market price

How far is ATO 50-day SMA from its all-time high?

ATO 50-day SMA is currently -6.55% below its historical high of $185.97 set on May 6, 2026

What is 1-year change in ATO 50-day SMA?

ATO 50-day SMA is up +12.48% year-over-year

What is the current 20-day SMA of ATO?

As of today, ATO 20-day SMA is $176.92

How does ATO 20-day SMA compare to its current price?

ATO 20-day SMA is +2.35% above its current market price

How far is ATO 20-day SMA from its all-time high?

ATO 20-day SMA is currently -5.59% below its historical high of $187.39 set on April 30, 2026

What is 1-year change in ATO 20-day SMA?

ATO 20-day SMA is up +13.53% year-over-year

What is the current 200-day EMA of ATO?

As of today, ATO 200-day EMA is $174.07

How does ATO 200-day EMA compare to its current price?

ATO 200-day EMA is +0.70% above its current market price

How far is ATO 200-day EMA from its all-time high?

ATO 200-day EMA is currently -0.07% below its historical high of $174.20 set on May 27, 2026

What is 1-year change in ATO 200-day EMA?

ATO 200-day EMA is up +17.51% year-over-year

What is the current 50-day EMA of ATO?

As of today, ATO 50-day EMA is $176.13

How does ATO 50-day EMA compare to its current price?

ATO 50-day EMA is +1.89% above its current market price

How far is ATO 50-day EMA from its all-time high?

ATO 50-day EMA is currently -4.53% below its historical high of $184.49 set on May 6, 2026

What is 1-year change in ATO 50-day EMA?

ATO 50-day EMA is up +13.55% year-over-year

What is the current 20-day EMA of ATO?

As of today, ATO 20-day EMA is $176.27

How does ATO 20-day EMA compare to its current price?

ATO 20-day EMA is +1.97% above its current market price

How far is ATO 20-day EMA from its all-time high?

ATO 20-day EMA is currently -5.65% below its historical high of $186.82 set on May 5, 2026

What is 1-year change in ATO 20-day EMA?

ATO 20-day EMA is up +12.99% year-over-year

ATO Stock Moving Average History & Chart Since 1983

200-Day SMA

$176.39$0.000.00%

July 31, 2026

Summary

Current Value: As of today, ATO 200-day SMA is $176.39, unchanged on July 31, 2026
Vs Current Price: ATO 200-day SMA is +2.04% above its current market price
1-Year High: ATO 200-day SMA reached a 1-year high of $176.41 on July 29, 2026
1-Year Low: ATO 200-day SMA reached a 1-year low of $149.13 on August 4, 2025

200-Day SMA Chart

Performance

ATO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
200-Day SMA	Jul 31, 26	$176.39	0.0%	+0.4%	+1.8%	+8.4%	+18.3%	+53.9%	+83.1%
50-Day SMA	Jul 31, 26	$173.79	0.0%	-1.5%	-6.5%	+0.8%	+12.5%	+47.2%	+75.1%
20-Day SMA	Jul 31, 26	$176.92	0.0%	+3.5%	-5.6%	+5.0%	+13.5%	+46.4%	+78.0%
200-Day EMA	Jul 31, 26	$174.07	0.0%	+0.4%	+0.5%	+7.1%	+17.5%	+51.0%	+77.5%
50-Day EMA	Jul 31, 26	$176.13	0.0%	+0.6%	-4.5%	+3.4%	+13.6%	+48.3%	+77.6%
20-Day EMA	Jul 31, 26	$176.27	0.0%	+2.0%	-5.6%	+4.2%	+13.0%	+46.5%	+77.4%
Price	Aug 4, 26	$172.86	-0.0%	-2.3%	-7.9%	+3.1%	+8.4%	+47.4%	+73.9%
14-Day RSI	Jul 31, 26	42.83	0.0%	-28.6%	-19.5%	+0.5%	-31.7%	+8.5%	-15.1%
Beta	Jul 31, 26	-0.11	0.0%	-83.3%	-450.0%	-178.6%	-152.4%	-116.7%	-128.9%
ATR	Jul 31, 26	$3.24	0.0%	+17.1%	+3.6%	+44.9%	+36.2%	+43.1%	+100.1%
10-Day Volatility	Jul 31, 26	17.78%	0.0%	+16.0%	-25.8%	+68.8%	+6.8%	+11.6%	+4.9%

200-Day SMA Highs

ATO 200-Day SMA Highs Comparison
Period	High	Date	Current
1M	$176.41	Jul 29, 26	-0.0%
3M	$176.41	Jul 29, 26	-0.0%
6M	$176.41	Jul 29, 26	-0.0%
1Y	$176.41	Jul 29, 26	-0.0%
3Y	$176.41	Jul 29, 26	-0.0%
5Y	$176.41	Jul 29, 26	-0.0%
All	$176.41	Jul 29, 26	-0.0%

200-Day SMA Lows

ATO 200-Day SMA Lows Comparison
Period	Low	Date	Current
1M	$175.61	Jul 2, 26	+0.4%
3M	$173.22	May 4, 26	+1.8%
6M	$164.54	Feb 4, 26	+7.2%
1Y	$149.13	Aug 4, 25	+18.3%
3Y	$114.02	Jun 17, 24	+54.7%
5Y	$95.72	Oct 19, 21	+84.3%
All	$5.50	Jan 5, 84	+3107.0%

200-Day SMA History

Date	Value	Change
Aug 4, 2026	$176.39	+8.4%
Dec 31, 2025	$162.68	+26.5%
Dec 31, 2024	$128.59	+12.3%
Dec 31, 2023	$114.50	+1.1%
Dec 31, 2022	$113.23	+16.5%
Dec 31, 2021	$97.20	-1.6%
Dec 31, 2020	$98.77	-7.6%
Dec 31, 2019	$106.95	+17.6%
Dec 31, 2018	$90.98	+6.9%
Dec 31, 2017	$85.10	+14.4%
Dec 31, 2016	$74.38	+31.4%
Dec 31, 2015	$56.60	+11.4%
Dec 31, 2014	$50.81	+18.3%
Dec 31, 2013	$42.95	+24.6%
Dec 31, 2012	$34.46	+3.8%
Dec 31, 2011	$33.19	+14.1%
Dec 31, 2010	$29.09	+9.2%
Dec 31, 2009	$26.63	+3.0%
Dec 31, 2008	$25.85	-12.0%
Dec 31, 2007	$29.38	+2.3%
Dec 31, 2006	$28.70	+3.6%
Dec 31, 2005	$27.70	+9.0%

Date	Value	Change
Dec 31, 2004	$25.41	+5.8%
Dec 31, 2003	$24.01	+7.3%
Dec 31, 2002	$22.38	+2.1%
Dec 31, 2001	$21.92	+9.3%
Dec 31, 2000	$20.05	-17.4%
Dec 31, 1999	$24.28	-18.0%
Dec 31, 1998	$29.59	+17.7%
Dec 31, 1997	$25.14	+5.7%
Dec 31, 1996	$23.78	+21.2%
Dec 31, 1995	$19.62	+9.6%
Dec 31, 1994	$17.90	-6.0%
Dec 31, 1993	$19.04	+33.5%
Dec 31, 1992	$14.26	+13.4%
Dec 31, 1991	$12.57	+11.0%
Dec 31, 1990	$11.32	+6.4%
Dec 31, 1989	$10.64	-0.0%
Dec 31, 1988	$10.64	+17.1%
Dec 31, 1987	$9.09	-11.2%
Dec 31, 1986	$10.23	+12.6%
Dec 31, 1985	$9.09	+57.9%
Dec 31, 1984	$5.75	+3.6%
Dec 31, 1983	$5.56	-

FAQ

What is the current 200-day SMA of ATO?: As of today, ATO 200-day SMA is $176.39
How does ATO 200-day SMA compare to its current price?: ATO 200-day SMA is +2.04% above its current market price
How far is ATO 200-day SMA from its all-time high?: ATO 200-day SMA is currently -0.01% below its historical high of $176.41 set on July 29, 2026
What is 1-year change in ATO 200-day SMA?: ATO 200-day SMA is up +18.28% year-over-year

50-Day SMA

$173.79$0.000.00%

July 31, 2026

Summary

Current Value: As of today, ATO 50-day SMA is $173.79, unchanged on July 31, 2026
Vs Current Price: ATO 50-day SMA is +0.54% above its current market price
1-Year High: ATO 50-day SMA reached a 1-year high of $185.97 on May 6, 2026
1-Year Low: ATO 50-day SMA reached a 1-year low of $154.50 on August 4, 2025

Performance

ATO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
50-Day SMA	Jul 31, 26	$173.79	0.0%	-1.5%	-6.5%	+0.8%	+12.5%	+47.2%	+75.1%
200-Day SMA	Jul 31, 26	$176.39	0.0%	+0.4%	+1.8%	+8.4%	+18.3%	+53.9%	+83.1%
20-Day SMA	Jul 31, 26	$176.92	0.0%	+3.5%	-5.6%	+5.0%	+13.5%	+46.4%	+78.0%
200-Day EMA	Jul 31, 26	$174.07	0.0%	+0.4%	+0.5%	+7.1%	+17.5%	+51.0%	+77.5%
50-Day EMA	Jul 31, 26	$176.13	0.0%	+0.6%	-4.5%	+3.4%	+13.6%	+48.3%	+77.6%
20-Day EMA	Jul 31, 26	$176.27	0.0%	+2.0%	-5.6%	+4.2%	+13.0%	+46.5%	+77.4%
Price	Aug 4, 26	$172.86	-0.0%	-2.3%	-7.9%	+3.1%	+8.4%	+47.4%	+73.9%
14-Day RSI	Jul 31, 26	42.83	0.0%	-28.6%	-19.5%	+0.5%	-31.7%	+8.5%	-15.1%
Beta	Jul 31, 26	-0.11	0.0%	-83.3%	-450.0%	-178.6%	-152.4%	-116.7%	-128.9%
ATR	Jul 31, 26	$3.24	0.0%	+17.1%	+3.6%	+44.9%	+36.2%	+43.1%	+100.1%
10-Day Volatility	Jul 31, 26	17.78%	0.0%	+16.0%	-25.8%	+68.8%	+6.8%	+11.6%	+4.9%
3-Month Volatility	Jul 31, 26	17.80%	+1.3%	+3.4%	+14.5%	+20.4%	+10.3%	+11.7%	+12.3%
1-Year Volatility	Jul 31, 26	16.04%	-0.7%	+4.1%	+3.1%	-6.9%	-5.1%	-29.5%	-27.9%

50-Day SMA Highs

ATO 50-Day SMA Highs Comparison
Period	High	Date	Current
1M	$176.47	Jul 2, 26	-1.5%
3M	$185.97	May 6, 26	-6.5%
6M	$185.97	May 6, 26	-6.5%
1Y	$185.97	May 6, 26	-6.5%
3Y	$185.97	May 6, 26	-6.5%
5Y	$185.97	May 6, 26	-6.5%
All	$185.97	May 6, 26	-6.5%

50-Day SMA Lows

ATO 50-Day SMA Lows Comparison
Period	Low	Date	Current
1M	$173.79	Jul 31, 26	at low
3M	$173.79	Jul 31, 26	at low
6M	$168.71	Feb 11, 26	+3.0%
1Y	$154.50	Aug 4, 25	+12.5%
3Y	$110.08	Nov 30, 23	+57.9%
5Y	$91.65	Nov 18, 21	+89.6%
All	$5.36	Oct 1, 84	+3139.8%

50-Day SMA History

Date	Value	Change
Aug 4, 2026	$173.79	+0.8%
Dec 31, 2025	$172.38	+20.7%
Dec 31, 2024	$142.84	+27.1%
Dec 31, 2023	$112.37	+0.2%
Dec 31, 2022	$112.17	+17.1%
Dec 31, 2021	$95.83	-0.9%
Dec 31, 2020	$96.67	-11.4%
Dec 31, 2019	$109.13	+13.8%
Dec 31, 2018	$95.92	+8.3%
Dec 31, 2017	$88.56	+22.1%
Dec 31, 2016	$72.52	+16.9%
Dec 31, 2015	$62.04	+15.2%
Dec 31, 2014	$53.85	+20.3%
Dec 31, 2013	$44.77	+27.1%
Dec 31, 2012	$35.23	+4.7%
Dec 31, 2011	$33.64	+10.2%
Dec 31, 2010	$30.53	+6.2%
Dec 31, 2009	$28.74	+23.0%
Dec 31, 2008	$23.37	-14.4%
Dec 31, 2007	$27.31	-14.1%
Dec 31, 2006	$31.81	+20.6%
Dec 31, 2005	$26.38	-0.5%

Date	Value	Change
Dec 31, 2004	$26.50	+7.9%
Dec 31, 2003	$24.56	+9.3%
Dec 31, 2002	$22.47	+7.8%
Dec 31, 2001	$20.85	-11.6%
Dec 31, 2000	$23.58	+6.7%
Dec 31, 1999	$22.11	-27.6%
Dec 31, 1998	$30.53	+14.6%
Dec 31, 1997	$26.63	+14.5%
Dec 31, 1996	$23.26	+12.8%
Dec 31, 1995	$20.62	+21.1%
Dec 31, 1994	$17.02	-10.2%
Dec 31, 1993	$18.94	+24.0%
Dec 31, 1992	$15.27	+10.0%
Dec 31, 1991	$13.88	+26.2%
Dec 31, 1990	$11.00	-1.3%
Dec 31, 1989	$11.14	+1.3%
Dec 31, 1988	$11.00	+31.1%
Dec 31, 1987	$8.39	-19.4%
Dec 31, 1986	$10.41	-1.2%
Dec 31, 1985	$10.54	+67.1%
Dec 31, 1984	$6.31	+13.5%
Dec 31, 1983	$5.56	-

FAQ

What is the current 50-day SMA of ATO?: As of today, ATO 50-day SMA is $173.79
How does ATO 50-day SMA compare to its current price?: ATO 50-day SMA is +0.54% above its current market price
How far is ATO 50-day SMA from its all-time high?: ATO 50-day SMA is currently -6.55% below its historical high of $185.97 set on May 6, 2026
What is 1-year change in ATO 50-day SMA?: ATO 50-day SMA is up +12.48% year-over-year

20-Day SMA

$176.92$0.000.00%

July 31, 2026

Summary

Current Value: As of today, ATO 20-day SMA is $176.92, unchanged on July 31, 2026
Vs Current Price: ATO 20-day SMA is +2.35% above its current market price
1-Year High: ATO 20-day SMA reached a 1-year high of $187.39 on April 30, 2026
1-Year Low: ATO 20-day SMA reached a 1-year low of $155.84 on August 4, 2025

Performance

ATO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
20-Day SMA	Jul 31, 26	$176.92	0.0%	+3.5%	-5.6%	+5.0%	+13.5%	+46.4%	+78.0%
200-Day SMA	Jul 31, 26	$176.39	0.0%	+0.4%	+1.8%	+8.4%	+18.3%	+53.9%	+83.1%
50-Day SMA	Jul 31, 26	$173.79	0.0%	-1.5%	-6.5%	+0.8%	+12.5%	+47.2%	+75.1%
200-Day EMA	Jul 31, 26	$174.07	0.0%	+0.4%	+0.5%	+7.1%	+17.5%	+51.0%	+77.5%
50-Day EMA	Jul 31, 26	$176.13	0.0%	+0.6%	-4.5%	+3.4%	+13.6%	+48.3%	+77.6%
20-Day EMA	Jul 31, 26	$176.27	0.0%	+2.0%	-5.6%	+4.2%	+13.0%	+46.5%	+77.4%
Price	Aug 4, 26	$172.86	-0.0%	-2.3%	-7.9%	+3.1%	+8.4%	+47.4%	+73.9%
14-Day RSI	Jul 31, 26	42.83	0.0%	-28.6%	-19.5%	+0.5%	-31.7%	+8.5%	-15.1%
Beta	Jul 31, 26	-0.11	0.0%	-83.3%	-450.0%	-178.6%	-152.4%	-116.7%	-128.9%
ATR	Jul 31, 26	$3.24	0.0%	+17.1%	+3.6%	+44.9%	+36.2%	+43.1%	+100.1%
10-Day Volatility	Jul 31, 26	17.78%	0.0%	+16.0%	-25.8%	+68.8%	+6.8%	+11.6%	+4.9%
3-Month Volatility	Jul 31, 26	17.80%	+1.3%	+3.4%	+14.5%	+20.4%	+10.3%	+11.7%	+12.3%
1-Year Volatility	Jul 31, 26	16.04%	-0.7%	+4.1%	+3.1%	-6.9%	-5.1%	-29.5%	-27.9%

20-Day SMA Highs

ATO 20-Day SMA Highs Comparison
Period	High	Date	Current
1M	$177.13	Jul 30, 26	-0.1%
3M	$187.37	May 4, 26	-5.6%
6M	$187.39	Apr 30, 26	-5.6%
1Y	$187.39	Apr 30, 26	-5.6%
3Y	$187.39	Apr 30, 26	-5.6%
5Y	$187.39	Apr 30, 26	-5.6%
All	$187.39	Apr 30, 26	-5.6%

20-Day SMA Lows

ATO 20-Day SMA Lows Comparison
Period	Low	Date	Current
1M	$170.96	Jul 2, 26	+3.5%
3M	$169.67	Jun 25, 26	+4.3%
6M	$167.78	Feb 4, 26	+5.5%
1Y	$155.84	Aug 4, 25	+13.5%
3Y	$108.68	Oct 23, 23	+62.8%
5Y	$89.01	Oct 12, 21	+98.8%
All	$5.24	Sep 10, 84	+3274.0%

20-Day SMA History

Date	Value	Change
Aug 4, 2026	$176.92	+5.0%
Dec 31, 2025	$168.49	+19.9%
Dec 31, 2024	$140.54	+22.5%
Dec 31, 2023	$114.72	-1.0%
Dec 31, 2022	$115.87	+16.7%
Dec 31, 2021	$99.25	+3.2%
Dec 31, 2020	$96.15	-11.6%
Dec 31, 2019	$108.73	+13.8%
Dec 31, 2018	$95.56	+7.8%
Dec 31, 2017	$88.68	+20.7%
Dec 31, 2016	$73.46	+17.5%
Dec 31, 2015	$62.52	+14.3%
Dec 31, 2014	$54.71	+22.6%
Dec 31, 2013	$44.60	+25.2%
Dec 31, 2012	$35.62	+8.4%
Dec 31, 2011	$32.85	+5.0%
Dec 31, 2010	$31.28	+7.0%
Dec 31, 2009	$29.23	+25.5%
Dec 31, 2008	$23.30	-15.1%
Dec 31, 2007	$27.44	-14.8%
Dec 31, 2006	$32.19	+21.9%
Dec 31, 2005	$26.40	-2.3%

Date	Value	Change
Dec 31, 2004	$27.04	+10.1%
Dec 31, 2003	$24.55	+6.0%
Dec 31, 2002	$23.16	+12.7%
Dec 31, 2001	$20.55	-13.3%
Dec 31, 2000	$23.69	+12.2%
Dec 31, 1999	$21.11	-30.3%
Dec 31, 1998	$30.31	+8.1%
Dec 31, 1997	$28.04	+19.5%
Dec 31, 1996	$23.46	+5.4%
Dec 31, 1995	$22.26	+31.0%
Dec 31, 1994	$17.00	-5.0%
Dec 31, 1993	$17.90	+16.9%
Dec 31, 1992	$15.30	+8.7%
Dec 31, 1991	$14.08	+28.2%
Dec 31, 1990	$10.98	-3.6%
Dec 31, 1989	$11.39	+5.5%
Dec 31, 1988	$10.80	+31.9%
Dec 31, 1987	$8.18	-19.0%
Dec 31, 1986	$10.11	-6.4%
Dec 31, 1985	$10.80	+66.5%
Dec 31, 1984	$6.48	+16.7%
Dec 31, 1983	$5.56	-

FAQ

What is the current 20-day SMA of ATO?: As of today, ATO 20-day SMA is $176.92
How does ATO 20-day SMA compare to its current price?: ATO 20-day SMA is +2.35% above its current market price
How far is ATO 20-day SMA from its all-time high?: ATO 20-day SMA is currently -5.59% below its historical high of $187.39 set on April 30, 2026
What is 1-year change in ATO 20-day SMA?: ATO 20-day SMA is up +13.53% year-over-year

200-Day EMA

$174.07$0.000.00%

July 31, 2026

Summary

Current Value: As of today, ATO 200-day EMA is $174.07, unchanged on July 31, 2026
Vs Current Price: ATO 200-day EMA is +0.70% above its current market price
1-Year High: ATO 200-day EMA reached a 1-year high of $174.20 on May 27, 2026
1-Year Low: ATO 200-day EMA reached a 1-year low of $148.13 on August 4, 2025

Performance

ATO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
200-Day EMA	Jul 31, 26	$174.07	0.0%	+0.4%	+0.5%	+7.1%	+17.5%	+51.0%	+77.5%
50-Day EMA	Jul 31, 26	$176.13	0.0%	+0.6%	-4.5%	+3.4%	+13.6%	+48.3%	+77.6%
20-Day EMA	Jul 31, 26	$176.27	0.0%	+2.0%	-5.6%	+4.2%	+13.0%	+46.5%	+77.4%
200-Day SMA	Jul 31, 26	$176.39	0.0%	+0.4%	+1.8%	+8.4%	+18.3%	+53.9%	+83.1%
50-Day SMA	Jul 31, 26	$173.79	0.0%	-1.5%	-6.5%	+0.8%	+12.5%	+47.2%	+75.1%
20-Day SMA	Jul 31, 26	$176.92	0.0%	+3.5%	-5.6%	+5.0%	+13.5%	+46.4%	+78.0%
Price	Aug 4, 26	$172.86	-0.0%	-2.3%	-7.9%	+3.1%	+8.4%	+47.4%	+73.9%
14-Day RSI	Jul 31, 26	42.83	0.0%	-28.6%	-19.5%	+0.5%	-31.7%	+8.5%	-15.1%
Beta	Jul 31, 26	-0.11	0.0%	-83.3%	-450.0%	-178.6%	-152.4%	-116.7%	-128.9%
ATR	Jul 31, 26	$3.24	0.0%	+17.1%	+3.6%	+44.9%	+36.2%	+43.1%	+100.1%
10-Day Volatility	Jul 31, 26	17.78%	0.0%	+16.0%	-25.8%	+68.8%	+6.8%	+11.6%	+4.9%
3-Month Volatility	Jul 31, 26	17.80%	+1.3%	+3.4%	+14.5%	+20.4%	+10.3%	+11.7%	+12.3%
1-Year Volatility	Jul 31, 26	16.04%	-0.7%	+4.1%	+3.1%	-6.9%	-5.1%	-29.5%	-27.9%

200-Day EMA Highs

ATO 200-Day EMA Highs Comparison
Period	High	Date	Current
1M	$174.09	Jul 30, 26	-0.0%
3M	$174.20	May 27, 26	-0.1%
6M	$174.20	May 27, 26	-0.1%
1Y	$174.20	May 27, 26	-0.1%
3Y	$174.20	May 27, 26	-0.1%
5Y	$174.20	May 27, 26	-0.1%
All	$174.20	May 27, 26	-0.1%

200-Day EMA Lows

ATO 200-Day EMA Lows Comparison
Period	Low	Date	Current
1M	$173.44	Jul 2, 26	+0.4%
3M	$173.25	May 4, 26	+0.5%
6M	$163.67	Feb 4, 26	+6.4%
1Y	$148.13	Aug 4, 25	+17.5%
3Y	$113.37	Nov 29, 23	+53.5%
5Y	$95.45	Dec 9, 21	+82.4%
All	$5.59	Oct 26, 84	+3012.5%

200-Day EMA History

Date	Value	Change
Aug 4, 2026	$174.07	+7.1%
Dec 31, 2025	$162.60	+23.5%
Dec 31, 2024	$131.61	+15.8%
Dec 31, 2023	$113.63	+2.4%
Dec 31, 2022	$110.97	+15.3%
Dec 31, 2021	$96.22	-3.1%
Dec 31, 2020	$99.35	-6.7%
Dec 31, 2019	$106.45	+16.0%
Dec 31, 2018	$91.80	+8.2%
Dec 31, 2017	$84.84	+17.3%
Dec 31, 2016	$72.31	+25.5%
Dec 31, 2015	$57.59	+13.8%
Dec 31, 2014	$50.60	+19.4%
Dec 31, 2013	$42.37	+22.1%
Dec 31, 2012	$34.69	+5.5%
Dec 31, 2011	$32.88	+12.2%
Dec 31, 2010	$29.30	+7.6%
Dec 31, 2009	$27.23	+6.9%
Dec 31, 2008	$25.47	-11.3%
Dec 31, 2007	$28.72	-2.3%
Dec 31, 2006	$29.41	+7.7%
Dec 31, 2005	$27.29	+6.4%

Date	Value	Change
Dec 31, 2004	$25.64	+6.7%
Dec 31, 2003	$24.02	+8.3%
Dec 31, 2002	$22.17	+2.5%
Dec 31, 2001	$21.64	+0.8%
Dec 31, 2000	$21.46	-11.3%
Dec 31, 1999	$24.20	-17.5%
Dec 31, 1998	$29.31	+15.0%
Dec 31, 1997	$25.49	+9.9%
Dec 31, 1996	$23.19	+17.5%
Dec 31, 1995	$19.74	+11.4%
Dec 31, 1994	$17.71	-4.9%
Dec 31, 1993	$18.62	+28.7%
Dec 31, 1992	$14.47	+12.3%
Dec 31, 1991	$12.89	+14.9%
Dec 31, 1990	$11.21	+3.6%
Dec 31, 1989	$10.82	+2.4%
Dec 31, 1988	$10.57	+16.8%
Dec 31, 1987	$9.05	-11.6%
Dec 31, 1986	$10.23	+12.1%
Dec 31, 1985	$9.13	+55.0%
Dec 31, 1984	$5.89	-

FAQ

What is the current 200-day EMA of ATO?: As of today, ATO 200-day EMA is $174.07
How does ATO 200-day EMA compare to its current price?: ATO 200-day EMA is +0.70% above its current market price
How far is ATO 200-day EMA from its all-time high?: ATO 200-day EMA is currently -0.07% below its historical high of $174.20 set on May 27, 2026
What is 1-year change in ATO 200-day EMA?: ATO 200-day EMA is up +17.51% year-over-year

50-Day EMA

$176.13$0.000.00%

July 31, 2026

Summary

Current Value: As of today, ATO 50-day EMA is $176.13, unchanged on July 31, 2026
Vs Current Price: ATO 50-day EMA is +1.89% above its current market price
1-Year High: ATO 50-day EMA reached a 1-year high of $184.49 on May 6, 2026
1-Year Low: ATO 50-day EMA reached a 1-year low of $155.11 on August 4, 2025

Performance

ATO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
50-Day EMA	Jul 31, 26	$176.13	0.0%	+0.6%	-4.5%	+3.4%	+13.6%	+48.3%	+77.6%
200-Day EMA	Jul 31, 26	$174.07	0.0%	+0.4%	+0.5%	+7.1%	+17.5%	+51.0%	+77.5%
20-Day EMA	Jul 31, 26	$176.27	0.0%	+2.0%	-5.6%	+4.2%	+13.0%	+46.5%	+77.4%
200-Day SMA	Jul 31, 26	$176.39	0.0%	+0.4%	+1.8%	+8.4%	+18.3%	+53.9%	+83.1%
50-Day SMA	Jul 31, 26	$173.79	0.0%	-1.5%	-6.5%	+0.8%	+12.5%	+47.2%	+75.1%
20-Day SMA	Jul 31, 26	$176.92	0.0%	+3.5%	-5.6%	+5.0%	+13.5%	+46.4%	+78.0%
Price	Aug 4, 26	$172.86	-0.0%	-2.3%	-7.9%	+3.1%	+8.4%	+47.4%	+73.9%
14-Day RSI	Jul 31, 26	42.83	0.0%	-28.6%	-19.5%	+0.5%	-31.7%	+8.5%	-15.1%
Beta	Jul 31, 26	-0.11	0.0%	-83.3%	-450.0%	-178.6%	-152.4%	-116.7%	-128.9%
ATR	Jul 31, 26	$3.24	0.0%	+17.1%	+3.6%	+44.9%	+36.2%	+43.1%	+100.1%
10-Day Volatility	Jul 31, 26	17.78%	0.0%	+16.0%	-25.8%	+68.8%	+6.8%	+11.6%	+4.9%
3-Month Volatility	Jul 31, 26	17.80%	+1.3%	+3.4%	+14.5%	+20.4%	+10.3%	+11.7%	+12.3%
1-Year Volatility	Jul 31, 26	16.04%	-0.7%	+4.1%	+3.1%	-6.9%	-5.1%	-29.5%	-27.9%

50-Day EMA Highs

ATO 50-Day EMA Highs Comparison
Period	High	Date	Current
1M	$176.35	Jul 29, 26	-0.1%
3M	$184.49	May 6, 26	-4.5%
6M	$184.49	May 6, 26	-4.5%
1Y	$184.49	May 6, 26	-4.5%
3Y	$184.49	May 6, 26	-4.5%
5Y	$184.49	May 6, 26	-4.5%
All	$184.49	May 6, 26	-4.5%

50-Day EMA Lows

ATO 50-Day EMA Lows Comparison
Period	Low	Date	Current
1M	$175.12	Jul 6, 26	+0.6%
3M	$175.10	Jul 1, 26	+0.6%
6M	$168.86	Feb 4, 26	+4.3%
1Y	$155.11	Aug 4, 25	+13.6%
3Y	$110.93	Nov 8, 23	+58.8%
5Y	$92.99	Oct 19, 21	+89.4%
All	$5.38	Sep 19, 84	+3174.6%

50-Day EMA History

Date	Value	Change
Aug 4, 2026	$176.13	+3.4%
Dec 31, 2025	$170.42	+20.7%
Dec 31, 2024	$141.23	+24.5%
Dec 31, 2023	$113.44	+0.0%
Dec 31, 2022	$113.41	+16.8%
Dec 31, 2021	$97.06	+0.7%
Dec 31, 2020	$96.35	-11.8%
Dec 31, 2019	$109.25	+14.7%
Dec 31, 2018	$95.21	+8.1%
Dec 31, 2017	$88.06	+20.4%
Dec 31, 2016	$73.13	+18.6%
Dec 31, 2015	$61.66	+14.9%
Dec 31, 2014	$53.66	+20.8%
Dec 31, 2013	$44.40	+25.6%
Dec 31, 2012	$35.34	+6.3%
Dec 31, 2011	$33.25	+8.6%
Dec 31, 2010	$30.62	+6.1%
Dec 31, 2009	$28.85	+21.6%
Dec 31, 2008	$23.72	-13.8%
Dec 31, 2007	$27.53	-12.8%
Dec 31, 2006	$31.58	+18.6%
Dec 31, 2005	$26.62	+0.1%

Date	Value	Change
Dec 31, 2004	$26.60	+8.3%
Dec 31, 2003	$24.55	+8.5%
Dec 31, 2002	$22.63	+8.3%
Dec 31, 2001	$20.91	-10.7%
Dec 31, 2000	$23.41	+6.4%
Dec 31, 1999	$22.00	-27.5%
Dec 31, 1998	$30.36	+11.8%
Dec 31, 1997	$27.17	+16.2%
Dec 31, 1996	$23.38	+10.3%
Dec 31, 1995	$21.20	+23.9%
Dec 31, 1994	$17.11	-8.1%
Dec 31, 1993	$18.62	+22.2%
Dec 31, 1992	$15.24	+9.4%
Dec 31, 1991	$13.94	+26.4%
Dec 31, 1990	$11.02	-1.8%
Dec 31, 1989	$11.23	+3.3%
Dec 31, 1988	$10.87	+28.3%
Dec 31, 1987	$8.47	-17.7%
Dec 31, 1986	$10.29	-1.1%
Dec 31, 1985	$10.41	+65.6%
Dec 31, 1984	$6.29	-

FAQ

What is the current 50-day EMA of ATO?: As of today, ATO 50-day EMA is $176.13
How does ATO 50-day EMA compare to its current price?: ATO 50-day EMA is +1.89% above its current market price
How far is ATO 50-day EMA from its all-time high?: ATO 50-day EMA is currently -4.53% below its historical high of $184.49 set on May 6, 2026
What is 1-year change in ATO 50-day EMA?: ATO 50-day EMA is up +13.55% year-over-year

20-Day EMA

$176.27$0.000.00%

July 31, 2026

Summary

Current Value: As of today, ATO 20-day EMA is $176.27, unchanged on July 31, 2026
Vs Current Price: ATO 20-day EMA is +1.97% above its current market price
1-Year High: ATO 20-day EMA reached a 1-year high of $186.82 on May 5, 2026
1-Year Low: ATO 20-day EMA reached a 1-year low of $156.01 on August 4, 2025

Performance

ATO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
20-Day EMA	Jul 31, 26	$176.27	0.0%	+2.0%	-5.6%	+4.2%	+13.0%	+46.5%	+77.4%
200-Day EMA	Jul 31, 26	$174.07	0.0%	+0.4%	+0.5%	+7.1%	+17.5%	+51.0%	+77.5%
50-Day EMA	Jul 31, 26	$176.13	0.0%	+0.6%	-4.5%	+3.4%	+13.6%	+48.3%	+77.6%
200-Day SMA	Jul 31, 26	$176.39	0.0%	+0.4%	+1.8%	+8.4%	+18.3%	+53.9%	+83.1%
50-Day SMA	Jul 31, 26	$173.79	0.0%	-1.5%	-6.5%	+0.8%	+12.5%	+47.2%	+75.1%
20-Day SMA	Jul 31, 26	$176.92	0.0%	+3.5%	-5.6%	+5.0%	+13.5%	+46.4%	+78.0%
Price	Aug 4, 26	$172.86	-0.0%	-2.3%	-7.9%	+3.1%	+8.4%	+47.4%	+73.9%
14-Day RSI	Jul 31, 26	42.83	0.0%	-28.6%	-19.5%	+0.5%	-31.7%	+8.5%	-15.1%
Beta	Jul 31, 26	-0.11	0.0%	-83.3%	-450.0%	-178.6%	-152.4%	-116.7%	-128.9%
ATR	Jul 31, 26	$3.24	0.0%	+17.1%	+3.6%	+44.9%	+36.2%	+43.1%	+100.1%
10-Day Volatility	Jul 31, 26	17.78%	0.0%	+16.0%	-25.8%	+68.8%	+6.8%	+11.6%	+4.9%
3-Month Volatility	Jul 31, 26	17.80%	+1.3%	+3.4%	+14.5%	+20.4%	+10.3%	+11.7%	+12.3%
1-Year Volatility	Jul 31, 26	16.04%	-0.7%	+4.1%	+3.1%	-6.9%	-5.1%	-29.5%	-27.9%

20-Day EMA Highs

ATO 20-Day EMA Highs Comparison
Period	High	Date	Current
1M	$176.88	Jul 29, 26	-0.3%
3M	$186.82	May 5, 26	-5.7%
6M	$186.82	May 5, 26	-5.7%
1Y	$186.82	May 5, 26	-5.7%
3Y	$186.82	May 5, 26	-5.7%
5Y	$186.82	May 5, 26	-5.7%
All	$186.82	May 5, 26	-5.7%

20-Day EMA Lows

ATO 20-Day EMA Lows Comparison
Period	Low	Date	Current
1M	$172.75	Jul 2, 26	+2.0%
3M	$171.28	Jun 23, 26	+2.9%
6M	$168.03	Feb 4, 26	+4.9%
1Y	$156.01	Aug 4, 25	+13.0%
3Y	$108.97	Nov 1, 23	+61.8%
5Y	$90.16	Oct 12, 21	+95.5%
All	$5.26	Sep 10, 84	+3252.8%

20-Day EMA History

Date	Value	Change
Aug 4, 2026	$176.27	+4.2%
Dec 31, 2025	$169.12	+20.1%
Dec 31, 2024	$140.80	+22.9%
Dec 31, 2023	$114.60	-0.3%
Dec 31, 2022	$114.94	+14.7%
Dec 31, 2021	$100.18	+5.0%
Dec 31, 2020	$95.41	-12.9%
Dec 31, 2019	$109.52	+15.9%
Dec 31, 2018	$94.47	+7.9%
Dec 31, 2017	$87.56	+18.9%
Dec 31, 2016	$73.65	+17.3%
Dec 31, 2015	$62.80	+14.3%
Dec 31, 2014	$54.95	+22.6%
Dec 31, 2013	$44.83	+26.6%
Dec 31, 2012	$35.40	+6.8%
Dec 31, 2011	$33.14	+6.4%
Dec 31, 2010	$31.16	+6.2%
Dec 31, 2009	$29.33	+25.2%
Dec 31, 2008	$23.43	-15.2%
Dec 31, 2007	$27.63	-13.9%
Dec 31, 2006	$32.09	+21.8%
Dec 31, 2005	$26.35	-2.6%

Date	Value	Change
Dec 31, 2004	$27.06	+10.1%
Dec 31, 2003	$24.59	+6.3%
Dec 31, 2002	$23.13	+10.9%
Dec 31, 2001	$20.86	-13.3%
Dec 31, 2000	$24.05	+14.2%
Dec 31, 1999	$21.07	-31.8%
Dec 31, 1998	$30.90	+9.1%
Dec 31, 1997	$28.33	+20.4%
Dec 31, 1996	$23.53	+5.6%
Dec 31, 1995	$22.28	+30.9%
Dec 31, 1994	$17.03	-5.7%
Dec 31, 1993	$18.05	+17.0%
Dec 31, 1992	$15.43	+8.6%
Dec 31, 1991	$14.21	+29.8%
Dec 31, 1990	$10.94	-4.2%
Dec 31, 1989	$11.42	+5.8%
Dec 31, 1988	$10.79	+30.2%
Dec 31, 1987	$8.29	-18.0%
Dec 31, 1986	$10.11	-5.6%
Dec 31, 1985	$10.70	+65.4%
Dec 31, 1984	$6.47	-

FAQ

What is the current 20-day EMA of ATO?: As of today, ATO 20-day EMA is $176.27
How does ATO 20-day EMA compare to its current price?: ATO 20-day EMA is +1.97% above its current market price
How far is ATO 20-day EMA from its all-time high?: ATO 20-day EMA is currently -5.65% below its historical high of $186.82 set on May 5, 2026
What is 1-year change in ATO 20-day EMA?: ATO 20-day EMA is up +12.99% year-over-year

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