What is the current 200-day SMA of ATO?

As of today, ATO 200-day SMA is $175.39

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

ATO 200-day SMA is +7.48% above its current market price

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

ATO 200-day SMA is currently -0.58% 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 +15.24% year-over-year

What is the current 50-day SMA of ATO?

As of today, ATO 50-day SMA is $172.21

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

ATO 50-day SMA is +5.53% above its current market price

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

ATO 50-day SMA is currently -7.40% 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 +7.11% year-over-year

What is the current 20-day SMA of ATO?

As of today, ATO 20-day SMA is $167.93

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

ATO 20-day SMA is +2.90% above its current market price

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

ATO 20-day SMA is currently -10.39% 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 +1.40% year-over-year

What is the current 200-day EMA of ATO?

As of today, ATO 200-day EMA is $172.71

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

ATO 200-day EMA is +5.83% above its current market price

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

ATO 200-day EMA is currently -0.86% 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 +13.44% year-over-year

What is the current 50-day EMA of ATO?

As of today, ATO 50-day EMA is $170.68

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

ATO 50-day EMA is +4.59% above its current market price

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

ATO 50-day EMA is currently -7.49% 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 +5.43% year-over-year

What is the current 20-day EMA of ATO?

As of today, ATO 20-day EMA is $167.88

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

ATO 20-day EMA is +2.87% above its current market price

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

ATO 20-day EMA is currently -10.14% 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 +1.87% year-over-year

ATO Stock Moving Average History & Chart Since 1983

200-Day SMA

$175.39$0.06-0.03%

September 11, 2026

Summary

Current Value: As of today, ATO 200-day SMA is $175.39, down -0.03% on September 11, 2026
Vs Current Price: ATO 200-day SMA is +7.48% 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 $152.20 on September 12, 2025

200-Day SMA Chart

Performance

ATO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
200-Day SMA	Sep 11, 26	$175.39	-0.0%	-0.4%	+0.1%	+7.8%	+15.2%	+51.5%	+81.7%
50-Day SMA	Sep 11, 26	$172.21	-0.1%	-0.6%	-4.6%	-0.1%	+7.1%	+46.0%	+74.6%
20-Day SMA	Sep 11, 26	$167.93	-0.2%	-3.4%	-2.5%	-0.3%	+1.4%	+45.2%	+73.1%
200-Day EMA	Sep 11, 26	$172.71	-0.1%	-0.6%	-0.5%	+6.2%	+13.4%	+49.6%	+76.2%
50-Day EMA	Sep 11, 26	$170.68	-0.2%	-2.1%	-3.6%	+0.1%	+5.4%	+46.3%	+74.2%
20-Day EMA	Sep 11, 26	$167.88	-0.3%	-2.7%	-2.6%	-0.7%	+1.9%	+45.3%	+74.0%
Price	Sep 11, 26	$163.19	-1.0%	-4.0%	-4.0%	-2.6%	-2.0%	+40.3%	+78.8%
14-Day RSI	Sep 11, 26	32.76	-9.4%	-17.9%	-40.9%	-23.1%	-46.2%	-36.7%	+27.3%
Beta	Sep 11, 26	-0.16	-6.7%	-6.7%	-700.0%	-214.3%	-176.2%	-123.9%	-139.0%
ATR	Sep 11, 26	$2.60	+0.7%	-11.6%	-16.0%	+16.0%	+15.1%	+42.7%	+62.8%
10-Day Volatility	Sep 11, 26	11.94%	-5.5%	+22.8%	-22.8%	+13.4%	-9.5%	-40.4%	-43.5%

200-Day SMA Highs

ATO 200-Day SMA Highs Comparison
Period	High	Date	Current
1M	$176.07	Aug 14, 26	-0.4%
3M	$176.41	Jul 29, 26	-0.6%
6M	$176.41	Jul 29, 26	-0.6%
1Y	$176.41	Jul 29, 26	-0.6%
3Y	$176.41	Jul 29, 26	-0.6%
5Y	$176.41	Jul 29, 26	-0.6%
All	$176.41	Jul 29, 26	-0.6%

200-Day SMA Lows

ATO 200-Day SMA Lows Comparison
Period	Low	Date	Current
1M	$175.39	Sep 11, 26	at low
3M	$175.17	Jun 12, 26	+0.1%
6M	$167.51	Mar 13, 26	+4.9%
1Y	$152.20	Sep 12, 25	+15.3%
3Y	$114.02	Jun 17, 24	+53.8%
5Y	$95.72	Oct 19, 21	+83.2%
All	$5.50	Jan 5, 84	+3088.9%

200-Day SMA History

Date	Value	Change
Sep 14, 2026	$175.39	+7.8%
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 $175.39
How does ATO 200-day SMA compare to its current price?: ATO 200-day SMA is +7.48% above its current market price
How far is ATO 200-day SMA from its all-time high?: ATO 200-day SMA is currently -0.58% 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 +15.24% year-over-year

50-Day SMA

$172.21$0.20-0.11%

September 11, 2026

Summary

Current Value: As of today, ATO 50-day SMA is $172.21, down -0.11% on September 11, 2026
Vs Current Price: ATO 50-day SMA is +5.53% 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 $160.77 on September 12, 2025

Performance

ATO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
50-Day SMA	Sep 11, 26	$172.21	-0.1%	-0.6%	-4.6%	-0.1%	+7.1%	+46.0%	+74.6%
200-Day SMA	Sep 11, 26	$175.39	-0.0%	-0.4%	+0.1%	+7.8%	+15.2%	+51.5%	+81.7%
20-Day SMA	Sep 11, 26	$167.93	-0.2%	-3.4%	-2.5%	-0.3%	+1.4%	+45.2%	+73.1%
200-Day EMA	Sep 11, 26	$172.71	-0.1%	-0.6%	-0.5%	+6.2%	+13.4%	+49.6%	+76.2%
50-Day EMA	Sep 11, 26	$170.68	-0.2%	-2.1%	-3.6%	+0.1%	+5.4%	+46.3%	+74.2%
20-Day EMA	Sep 11, 26	$167.88	-0.3%	-2.7%	-2.6%	-0.7%	+1.9%	+45.3%	+74.0%
Price	Sep 11, 26	$163.19	-1.0%	-4.0%	-4.0%	-2.6%	-2.0%	+40.3%	+78.8%
14-Day RSI	Sep 11, 26	32.76	-9.4%	-17.9%	-40.9%	-23.1%	-46.2%	-36.7%	+27.3%
Beta	Sep 11, 26	-0.16	-6.7%	-6.7%	-700.0%	-214.3%	-176.2%	-123.9%	-139.0%
ATR	Sep 11, 26	$2.60	+0.7%	-11.6%	-16.0%	+16.0%	+15.1%	+42.7%	+62.8%
10-Day Volatility	Sep 11, 26	11.94%	-5.5%	+22.8%	-22.8%	+13.4%	-9.5%	-40.4%	-43.5%
3-Month Volatility	Sep 11, 26	15.85%	+0.3%	-8.0%	-8.1%	+7.2%	+2.3%	+3.4%	-6.1%
1-Year Volatility	Sep 11, 26	15.61%	-0.1%	+0.6%	+0.5%	-9.4%	-9.3%	-30.6%	-29.6%

50-Day SMA Highs

ATO 50-Day SMA Highs Comparison
Period	High	Date	Current
1M	$173.46	Aug 20, 26	-0.7%
3M	$180.59	Jun 12, 26	-4.8%
6M	$185.97	May 6, 26	-7.4%
1Y	$185.97	May 6, 26	-7.4%
3Y	$185.97	May 6, 26	-7.4%
5Y	$185.97	May 6, 26	-7.4%
All	$185.97	May 6, 26	-7.4%

50-Day SMA Lows

ATO 50-Day SMA Lows Comparison
Period	Low	Date	Current
1M	$172.21	Sep 11, 26	at low
3M	$172.21	Sep 11, 26	at low
6M	$172.21	Sep 11, 26	at low
1Y	$160.77	Sep 12, 25	+7.3%
3Y	$110.08	Nov 30, 23	+56.4%
5Y	$91.65	Nov 18, 21	+87.9%
All	$5.36	Oct 1, 84	+3110.4%

50-Day SMA History

Date	Value	Change
Sep 14, 2026	$172.21	-0.1%
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 $172.21
How does ATO 50-day SMA compare to its current price?: ATO 50-day SMA is +5.53% above its current market price
How far is ATO 50-day SMA from its all-time high?: ATO 50-day SMA is currently -7.40% 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 +7.11% year-over-year

20-Day SMA

$167.93$0.34-0.20%

September 11, 2026

Summary

Current Value: As of today, ATO 20-day SMA is $167.93, down -0.20% on September 11, 2026
Vs Current Price: ATO 20-day SMA is +2.90% 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 $164.84 on September 22, 2025

Performance

ATO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
20-Day SMA	Sep 11, 26	$167.93	-0.2%	-3.4%	-2.5%	-0.3%	+1.4%	+45.2%	+73.1%
200-Day SMA	Sep 11, 26	$175.39	-0.0%	-0.4%	+0.1%	+7.8%	+15.2%	+51.5%	+81.7%
50-Day SMA	Sep 11, 26	$172.21	-0.1%	-0.6%	-4.6%	-0.1%	+7.1%	+46.0%	+74.6%
200-Day EMA	Sep 11, 26	$172.71	-0.1%	-0.6%	-0.5%	+6.2%	+13.4%	+49.6%	+76.2%
50-Day EMA	Sep 11, 26	$170.68	-0.2%	-2.1%	-3.6%	+0.1%	+5.4%	+46.3%	+74.2%
20-Day EMA	Sep 11, 26	$167.88	-0.3%	-2.7%	-2.6%	-0.7%	+1.9%	+45.3%	+74.0%
Price	Sep 11, 26	$163.19	-1.0%	-4.0%	-4.0%	-2.6%	-2.0%	+40.3%	+78.8%
14-Day RSI	Sep 11, 26	32.76	-9.4%	-17.9%	-40.9%	-23.1%	-46.2%	-36.7%	+27.3%
Beta	Sep 11, 26	-0.16	-6.7%	-6.7%	-700.0%	-214.3%	-176.2%	-123.9%	-139.0%
ATR	Sep 11, 26	$2.60	+0.7%	-11.6%	-16.0%	+16.0%	+15.1%	+42.7%	+62.8%
10-Day Volatility	Sep 11, 26	11.94%	-5.5%	+22.8%	-22.8%	+13.4%	-9.5%	-40.4%	-43.5%
3-Month Volatility	Sep 11, 26	15.85%	+0.3%	-8.0%	-8.1%	+7.2%	+2.3%	+3.4%	-6.1%
1-Year Volatility	Sep 11, 26	15.61%	-0.1%	+0.6%	+0.5%	-9.4%	-9.3%	-30.6%	-29.6%

20-Day SMA Highs

ATO 20-Day SMA Highs Comparison
Period	High	Date	Current
1M	$173.85	Aug 14, 26	-4.0%
3M	$177.13	Jul 30, 26	-5.2%
6M	$187.39	Apr 30, 26	-10.4%
1Y	$187.39	Apr 30, 26	-10.4%
3Y	$187.39	Apr 30, 26	-10.4%
5Y	$187.39	Apr 30, 26	-10.4%
All	$187.39	Apr 30, 26	-10.4%

20-Day SMA Lows

ATO 20-Day SMA Lows Comparison
Period	Low	Date	Current
1M	$167.93	Sep 11, 26	at low
3M	$167.93	Sep 11, 26	at low
6M	$167.93	Sep 11, 26	at low
1Y	$164.84	Sep 22, 25	+1.9%
3Y	$108.68	Oct 23, 23	+54.5%
5Y	$89.01	Oct 12, 21	+88.7%
All	$5.24	Sep 10, 84	+3102.4%

20-Day SMA History

Date	Value	Change
Sep 14, 2026	$167.93	-0.3%
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 $167.93
How does ATO 20-day SMA compare to its current price?: ATO 20-day SMA is +2.90% above its current market price
How far is ATO 20-day SMA from its all-time high?: ATO 20-day SMA is currently -10.39% 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 +1.40% year-over-year

200-Day EMA

$172.71$0.10-0.06%

September 11, 2026

Summary

Current Value: As of today, ATO 200-day EMA is $172.71, down -0.06% on September 11, 2026
Vs Current Price: ATO 200-day EMA is +5.83% 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 $152.24 on September 12, 2025

Performance

ATO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
200-Day EMA	Sep 11, 26	$172.71	-0.1%	-0.6%	-0.5%	+6.2%	+13.4%	+49.6%	+76.2%
50-Day EMA	Sep 11, 26	$170.68	-0.2%	-2.1%	-3.6%	+0.1%	+5.4%	+46.3%	+74.2%
20-Day EMA	Sep 11, 26	$167.88	-0.3%	-2.7%	-2.6%	-0.7%	+1.9%	+45.3%	+74.0%
200-Day SMA	Sep 11, 26	$175.39	-0.0%	-0.4%	+0.1%	+7.8%	+15.2%	+51.5%	+81.7%
50-Day SMA	Sep 11, 26	$172.21	-0.1%	-0.6%	-4.6%	-0.1%	+7.1%	+46.0%	+74.6%
20-Day SMA	Sep 11, 26	$167.93	-0.2%	-3.4%	-2.5%	-0.3%	+1.4%	+45.2%	+73.1%
Price	Sep 11, 26	$163.19	-1.0%	-4.0%	-4.0%	-2.6%	-2.0%	+40.3%	+78.8%
14-Day RSI	Sep 11, 26	32.76	-9.4%	-17.9%	-40.9%	-23.1%	-46.2%	-36.7%	+27.3%
Beta	Sep 11, 26	-0.16	-6.7%	-6.7%	-700.0%	-214.3%	-176.2%	-123.9%	-139.0%
ATR	Sep 11, 26	$2.60	+0.7%	-11.6%	-16.0%	+16.0%	+15.1%	+42.7%	+62.8%
10-Day Volatility	Sep 11, 26	11.94%	-5.5%	+22.8%	-22.8%	+13.4%	-9.5%	-40.4%	-43.5%
3-Month Volatility	Sep 11, 26	15.85%	+0.3%	-8.0%	-8.1%	+7.2%	+2.3%	+3.4%	-6.1%
1-Year Volatility	Sep 11, 26	15.61%	-0.1%	+0.6%	+0.5%	-9.4%	-9.3%	-30.6%	-29.6%

200-Day EMA Highs

ATO 200-Day EMA Highs Comparison
Period	High	Date	Current
1M	$173.74	Aug 14, 26	-0.7%
3M	$174.09	Jul 30, 26	-0.8%
6M	$174.20	May 27, 26	-0.9%
1Y	$174.20	May 27, 26	-0.9%
3Y	$174.20	May 27, 26	-0.9%
5Y	$174.20	May 27, 26	-0.9%
All	$174.20	May 27, 26	-0.9%

200-Day EMA Lows

ATO 200-Day EMA Lows Comparison
Period	Low	Date	Current
1M	$172.71	Sep 11, 26	at low
3M	$172.71	Sep 11, 26	at low
6M	$167.79	Mar 13, 26	+3.2%
1Y	$152.24	Sep 12, 25	+13.6%
3Y	$113.37	Nov 29, 23	+52.3%
5Y	$95.45	Dec 9, 21	+80.9%
All	$5.59	Oct 26, 84	+2988.0%

200-Day EMA History

Date	Value	Change
Sep 14, 2026	$172.71	+6.2%
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 $172.71
How does ATO 200-day EMA compare to its current price?: ATO 200-day EMA is +5.83% above its current market price
How far is ATO 200-day EMA from its all-time high?: ATO 200-day EMA is currently -0.86% 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 +13.44% year-over-year

50-Day EMA

$170.68$0.31-0.18%

September 11, 2026

Summary

Current Value: As of today, ATO 50-day EMA is $170.68, down -0.18% on September 11, 2026
Vs Current Price: ATO 50-day EMA is +4.59% 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 $161.88 on September 12, 2025

Performance

ATO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
50-Day EMA	Sep 11, 26	$170.68	-0.2%	-2.1%	-3.6%	+0.1%	+5.4%	+46.3%	+74.2%
200-Day EMA	Sep 11, 26	$172.71	-0.1%	-0.6%	-0.5%	+6.2%	+13.4%	+49.6%	+76.2%
20-Day EMA	Sep 11, 26	$167.88	-0.3%	-2.7%	-2.6%	-0.7%	+1.9%	+45.3%	+74.0%
200-Day SMA	Sep 11, 26	$175.39	-0.0%	-0.4%	+0.1%	+7.8%	+15.2%	+51.5%	+81.7%
50-Day SMA	Sep 11, 26	$172.21	-0.1%	-0.6%	-4.6%	-0.1%	+7.1%	+46.0%	+74.6%
20-Day SMA	Sep 11, 26	$167.93	-0.2%	-3.4%	-2.5%	-0.3%	+1.4%	+45.2%	+73.1%
Price	Sep 11, 26	$163.19	-1.0%	-4.0%	-4.0%	-2.6%	-2.0%	+40.3%	+78.8%
14-Day RSI	Sep 11, 26	32.76	-9.4%	-17.9%	-40.9%	-23.1%	-46.2%	-36.7%	+27.3%
Beta	Sep 11, 26	-0.16	-6.7%	-6.7%	-700.0%	-214.3%	-176.2%	-123.9%	-139.0%
ATR	Sep 11, 26	$2.60	+0.7%	-11.6%	-16.0%	+16.0%	+15.1%	+42.7%	+62.8%
10-Day Volatility	Sep 11, 26	11.94%	-5.5%	+22.8%	-22.8%	+13.4%	-9.5%	-40.4%	-43.5%
3-Month Volatility	Sep 11, 26	15.85%	+0.3%	-8.0%	-8.1%	+7.2%	+2.3%	+3.4%	-6.1%
1-Year Volatility	Sep 11, 26	15.61%	-0.1%	+0.6%	+0.5%	-9.4%	-9.3%	-30.6%	-29.6%

50-Day EMA Highs

ATO 50-Day EMA Highs Comparison
Period	High	Date	Current
1M	$174.28	Aug 14, 26	-2.4%
3M	$177.01	Jun 12, 26	-3.7%
6M	$184.49	May 6, 26	-7.5%
1Y	$184.49	May 6, 26	-7.5%
3Y	$184.49	May 6, 26	-7.5%
5Y	$184.49	May 6, 26	-7.5%
All	$184.49	May 6, 26	-7.5%

50-Day EMA Lows

ATO 50-Day EMA Lows Comparison
Period	Low	Date	Current
1M	$170.68	Sep 11, 26	at low
3M	$170.68	Sep 11, 26	at low
6M	$170.68	Sep 11, 26	at low
1Y	$161.88	Sep 12, 25	+5.6%
3Y	$110.93	Nov 8, 23	+53.9%
5Y	$92.99	Oct 19, 21	+83.5%
All	$5.38	Sep 19, 84	+3073.2%

50-Day EMA History

Date	Value	Change
Sep 14, 2026	$170.68	+0.1%
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 $170.68
How does ATO 50-day EMA compare to its current price?: ATO 50-day EMA is +4.59% above its current market price
How far is ATO 50-day EMA from its all-time high?: ATO 50-day EMA is currently -7.49% 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 +5.43% year-over-year

20-Day EMA

$167.88$0.49-0.29%

September 11, 2026

Summary

Current Value: As of today, ATO 20-day EMA is $167.88, down -0.29% on September 11, 2026
Vs Current Price: ATO 20-day EMA is +2.87% 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 $164.14 on September 22, 2025

Performance

ATO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
20-Day EMA	Sep 11, 26	$167.88	-0.3%	-2.7%	-2.6%	-0.7%	+1.9%	+45.3%	+74.0%
200-Day EMA	Sep 11, 26	$172.71	-0.1%	-0.6%	-0.5%	+6.2%	+13.4%	+49.6%	+76.2%
50-Day EMA	Sep 11, 26	$170.68	-0.2%	-2.1%	-3.6%	+0.1%	+5.4%	+46.3%	+74.2%
200-Day SMA	Sep 11, 26	$175.39	-0.0%	-0.4%	+0.1%	+7.8%	+15.2%	+51.5%	+81.7%
50-Day SMA	Sep 11, 26	$172.21	-0.1%	-0.6%	-4.6%	-0.1%	+7.1%	+46.0%	+74.6%
20-Day SMA	Sep 11, 26	$167.93	-0.2%	-3.4%	-2.5%	-0.3%	+1.4%	+45.2%	+73.1%
Price	Sep 11, 26	$163.19	-1.0%	-4.0%	-4.0%	-2.6%	-2.0%	+40.3%	+78.8%
14-Day RSI	Sep 11, 26	32.76	-9.4%	-17.9%	-40.9%	-23.1%	-46.2%	-36.7%	+27.3%
Beta	Sep 11, 26	-0.16	-6.7%	-6.7%	-700.0%	-214.3%	-176.2%	-123.9%	-139.0%
ATR	Sep 11, 26	$2.60	+0.7%	-11.6%	-16.0%	+16.0%	+15.1%	+42.7%	+62.8%
10-Day Volatility	Sep 11, 26	11.94%	-5.5%	+22.8%	-22.8%	+13.4%	-9.5%	-40.4%	-43.5%
3-Month Volatility	Sep 11, 26	15.85%	+0.3%	-8.0%	-8.1%	+7.2%	+2.3%	+3.4%	-6.1%
1-Year Volatility	Sep 11, 26	15.61%	-0.1%	+0.6%	+0.5%	-9.4%	-9.3%	-30.6%	-29.6%

20-Day EMA Highs

ATO 20-Day EMA Highs Comparison
Period	High	Date	Current
1M	$172.52	Aug 14, 26	-3.2%
3M	$176.88	Jul 29, 26	-5.1%
6M	$186.82	May 5, 26	-10.1%
1Y	$186.82	May 5, 26	-10.1%
3Y	$186.82	May 5, 26	-10.1%
5Y	$186.82	May 5, 26	-10.1%
All	$186.82	May 5, 26	-10.1%

20-Day EMA Lows

ATO 20-Day EMA Lows Comparison
Period	Low	Date	Current
1M	$167.88	Sep 11, 26	at low
3M	$167.88	Sep 11, 26	at low
6M	$167.88	Sep 11, 26	at low
1Y	$164.14	Sep 22, 25	+2.3%
3Y	$108.97	Nov 1, 23	+54.1%
5Y	$90.16	Oct 12, 21	+86.2%
All	$5.26	Sep 10, 84	+3093.2%

20-Day EMA History

Date	Value	Change
Sep 14, 2026	$167.88	-0.7%
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 $167.88
How does ATO 20-day EMA compare to its current price?: ATO 20-day EMA is +2.87% above its current market price
How far is ATO 20-day EMA from its all-time high?: ATO 20-day EMA is currently -10.14% 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 +1.87% 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