Atmos Energy Corporation (ATO) NYSE

Currency In USD

ATO Historical Return

If you invested $1000 in Atmos Energy Corporation (ATO) 10 years ago, it would be worth $2,789.67 as of August 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,907.51, while $1000 invested 1 year ago would be worth $1,019.87. This corresponds to total returns of 178.97%, 90.75%, 1.99%, respectively, with annualized returns of 10.8%, 13.78%, 1.99%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

ATO Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
August 21, 2026	172.12	166.85	166.85	172.12	166.85	1.07M
August 20, 2026	170.75	170.52	170.52	173.13	170.37	921,161
August 19, 2026	171.4	171.31	171.31	172.17	170.39	905,535
August 18, 2026	172.07	170.51	170.51	172.73	170.32	825,809
August 17, 2026	170.47	169.9	169.9	171.52	168.9	1.17M
August 14, 2026	169.5	169.92	169.92	170.28	169.12	1.11M
August 13, 2026	170.3	169.96	169.96	172.09	169.4	1.32M
August 12, 2026	169.06	169.59	169.59	170.36	168.13	1.25M
August 11, 2026	167.79	169.21	169.21	169.48	167.24	908,775
August 10, 2026	172.27	167.92	167.92	172.27	167.15	894,338
August 07, 2026	170.96	170.19	170.19	172.3	169.7	848,735
August 06, 2026	173.35	171.98	171.98	173.6	170.87	985,638
August 05, 2026	172.18	172.2	172.2	172.58	170.46	1.28M
August 04, 2026	172.6	172.65	172.65	173.71	170	1.19M
August 03, 2026	171.96	172.89	172.89	174.22	171.53	809,093
July 31, 2026	173.3	172.78	172.78	174.92	172.22	1.05M
July 30, 2026	176.94	174.26	174.26	177.42	173.55	1.09M
July 29, 2026	180.49	177.67	177.67	181.37	177.09	961,386
July 28, 2026	179.61	179.38	179.38	182.64	178.97	974,261
July 27, 2026	180.79	178.22	178.22	180.79	177.57	638,476
July 23, 2026	177.4	178.04	178.04	179.71	177.4	680,791
July 22, 2026	176.9	178.47	178.47	178.56	176.19	790,896
July 21, 2026	176.75	175.05	175.05	176.89	174.68	761,971
July 20, 2026	177.43	177.33	177.33	178.65	176.19	1.09M
July 17, 2026	176.04	177.68	177.68	181.47	176.04	1.48M
July 16, 2026	175.2	178.04	178.04	178.21	175.19	1.25M
July 15, 2026	177.65	174.98	174.98	178.22	174.65	1.3M
July 14, 2026	179.47	178.45	178.45	180.85	178.07	956,854
July 13, 2026	177.35	179.5	179.5	179.96	176.94	917,863
July 10, 2026	174.56	176.2	176.2	176.6	174.56	527,251
July 09, 2026	177.03	174.72	174.72	177.44	174.46	1.38M
July 08, 2026	178.14	177.09	177.09	179.13	176.18	1.09M
July 07, 2026	175.7	177.58	177.58	179.79	174.98	1.47M
July 06, 2026	176.79	173.83	173.83	176.79	173.49	1.13M
July 02, 2026	174.29	176.87	176.87	176.88	173.06	897,897
July 01, 2026	172.11	173.03	173.03	173.85	172	1.13M
June 30, 2026	173.39	172.27	172.27	174.22	172.18	1.38M
June 29, 2026	174.28	174.84	174.84	175.42	173.82	1.36M
June 26, 2026	171.7	175.17	175.17	175.19	171.7	2M
June 25, 2026	173	173.67	173.67	175.27	173	1.16M
June 24, 2026	173.53	172.59	172.59	173.7	171.63	1.2M
June 23, 2026	170.89	171.09	171.09	172.77	169.95	1.04M
June 22, 2026	169.23	169.59	169.59	170.79	168.9	1.27M
June 18, 2026	169.64	170.11	170.11	171.21	169.04	2.23M
June 17, 2026	168.62	169.64	169.64	170.05	168.22	1.48M
June 16, 2026	170.19	169.63	169.63	171.28	168.93	1.03M
June 15, 2026	168.82	169.6	169.6	170.85	168.4	1.29M
June 12, 2026	168.22	169.96	169.96	169.99	167.77	1.54M
June 11, 2026	170.26	168.23	168.23	170.59	167.74	1.63M
June 10, 2026	168.95	169.27	169.27	169.94	167.78	1.59M
June 09, 2026	168.29	167.62	167.62	168.92	166.69	1.36M
June 08, 2026	169.97	167.89	167.89	170.04	167.11	1.72M
June 05, 2026	168.94	170.24	170.24	171.95	168.45	1.47M
June 04, 2026	169.78	167.96	167.96	170.13	166.33	1.7M
June 03, 2026	169.32	168.3	168.3	171.27	168.3	1.55M
June 02, 2026	168.13	168.75	168.75	168.91	166.47	1.77M
June 01, 2026	168.1	167.15	167.15	169.06	167.11	1.93M
May 29, 2026	172.44	169.13	169.13	172.94	168.12	6.41M
May 28, 2026	174.83	173.03	173.03	176.47	172.04	1.55M
May 27, 2026	176.78	176.24	176.24	177.86	175.15	971,809