Market Cap

$29.10B

Current · Retrieved: Oct 25, 2026 · USD

ATO Market Cap

Current$29.10BretrievedOct 25, 2026

ATO Market Cap ($942.96M → $29.10B · CAGR +8.3%)

Latest values, visible window

High-resolution chart · PNG

ATO market cap history

Daily history. Dates identify market observations.

Atmos Energy Market Cap — Daily history
Date	Market Cap
Aug 8, 1986	1,760,860,639
Aug 1, 1986	1,605,391,177
Jul 25, 1986	1,661,157,397
Jul 18, 1986	1,634,119,230
Jul 11, 1986	1,774,379,722
Jul 3, 1986	1,830,145,942
Jun 27, 1986	1,816,626,859
Jun 20, 1986	1,703,404,534
Jun 13, 1986	1,689,885,450
Jun 6, 1986	1,689,885,450
May 30, 1986	1,718,613,503
May 23, 1986	1,676,366,366
May 16, 1986	1,647,638,314
May 9, 1986	1,634,119,230
May 2, 1986	1,634,119,230
Apr 25, 1986	1,647,638,314
Apr 18, 1986	1,634,119,230
Apr 11, 1986	1,718,613,503
Apr 4, 1986	1,774,379,722
Mar 27, 1986	1,816,626,859
Mar 21, 1986	1,858,873,995
Mar 14, 1986	1,787,898,806
Mar 7, 1986	1,774,379,722
Feb 28, 1986	1,760,860,639
Feb 21, 1986	1,647,638,314
Feb 14, 1986	1,830,145,942
Feb 7, 1986	1,872,393,079
Jan 31, 1986	1,929,849,184
Jan 24, 1986	1,929,849,184
Jan 17, 1986	1,887,602,048
Jan 10, 1986	1,872,393,079
Jan 3, 1986	1,803,107,775
Dec 27, 1985	1,803,107,775
Dec 20, 1985	1,830,145,942
Dec 13, 1985	1,830,145,942
Dec 6, 1985	1,887,602,048
Nov 29, 1985	1,845,354,911
Nov 22, 1985	1,872,393,079
Nov 15, 1985	1,774,379,722
Nov 8, 1985	1,718,613,503
Nov 1, 1985	1,732,132,586
Oct 25, 1985	1,661,157,397
Oct 18, 1985	1,478,649,769
Oct 11, 1985	1,465,130,685
Oct 4, 1985	1,449,921,716
Sep 26, 1985	1,478,649,769
Sep 20, 1985	1,436,402,632
Sep 13, 1985	1,507,377,821
Sep 6, 1985	1,492,168,852
Aug 30, 1985	1,465,130,685
Aug 23, 1985	1,478,649,769
Aug 16, 1985	1,465,130,685
Aug 9, 1985	1,465,130,685
Aug 2, 1985	1,478,649,769
Jul 26, 1985	1,520,896,905
Jul 19, 1985	1,576,663,125
Jul 12, 1985	1,576,663,125
Jul 5, 1985	1,605,391,177
Jun 28, 1985	1,605,391,177
Jun 21, 1985	1,661,157,397
Jun 14, 1985	1,549,624,958
Jun 7, 1985	1,534,415,989
May 31, 1985	1,465,130,685
May 24, 1985	1,478,649,769
May 17, 1985	1,605,391,177
May 10, 1985	1,534,415,989
May 3, 1985	1,338,389,276
Apr 26, 1985	1,309,661,224
Apr 19, 1985	1,351,908,360
Apr 12, 1985	1,338,389,276
Apr 4, 1985	1,211,647,868
Mar 29, 1985	1,169,400,731
Mar 22, 1985	1,140,672,679
Mar 15, 1985	1,169,400,731
Mar 8, 1985	1,169,400,731
Mar 1, 1985	1,182,919,815
Feb 22, 1985	1,238,686,035
Feb 15, 1985	1,182,919,815
Feb 8, 1985	1,196,438,899
Feb 1, 1985	1,196,438,899
Jan 25, 1985	1,127,153,595
Jan 18, 1985	1,084,906,459
Jan 11, 1985	1,111,944,626
Jan 4, 1985	1,098,425,542
Dec 28, 1984	1,127,153,595
Dec 21, 1984	1,084,906,459
Dec 14, 1984	1,111,944,626
Dec 7, 1984	1,084,906,459
Nov 30, 1984	1,069,697,490
Nov 23, 1984	1,098,425,542
Nov 16, 1984	1,098,425,542
Nov 9, 1984	1,098,425,542
Nov 2, 1984	1,098,425,542
Oct 26, 1984	942,956,081
Oct 19, 1984	942,956,081
Oct 12, 1984	942,956,081
Oct 5, 1984	958,165,050
Sep 28, 1984	942,956,081
Sep 21, 1984	929,436,997
Sep 14, 1984	900,708,945