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
Jul 8, 1988	1,858,873,995
Jul 1, 1988	1,745,651,670
Jun 24, 1988	1,732,132,586
Jun 17, 1988	1,676,366,366
Jun 10, 1988	1,732,132,586
Jun 3, 1988	1,689,885,450
May 27, 1988	1,703,404,534
May 20, 1988	1,760,860,639
May 13, 1988	1,830,145,942
May 6, 1988	1,787,898,806
Apr 29, 1988	1,760,860,639
Apr 22, 1988	1,745,651,670
Apr 15, 1988	1,760,860,639
Apr 8, 1988	1,774,379,722
Mar 31, 1988	1,760,860,639
Mar 25, 1988	1,732,132,586
Mar 18, 1988	1,760,860,639
Mar 11, 1988	1,689,885,450
Mar 4, 1988	1,745,651,670
Feb 26, 1988	1,718,613,503
Feb 19, 1988	1,689,885,450
Feb 12, 1988	1,718,613,503
Feb 5, 1988	1,591,872,094
Jan 29, 1988	1,563,144,041
Jan 22, 1988	1,534,415,989
Jan 15, 1988	1,520,896,905
Jan 8, 1988	1,520,896,905
Dec 31, 1987	1,380,636,413
Dec 24, 1987	1,394,155,496
Dec 18, 1987	1,365,427,444
Dec 11, 1987	1,351,908,360
Dec 4, 1987	1,351,908,360
Nov 27, 1987	1,492,168,852
Nov 20, 1987	1,520,896,905
Nov 13, 1987	1,534,415,989
Nov 6, 1987	1,394,155,496
Oct 30, 1987	1,407,674,580
Oct 23, 1987	1,507,377,821
Oct 16, 1987	1,591,872,094
Oct 9, 1987	1,591,872,094
Oct 2, 1987	1,576,663,125
Sep 25, 1987	1,563,144,041
Sep 18, 1987	1,591,872,094
Sep 11, 1987	1,576,663,125
Sep 4, 1987	1,576,663,125
Aug 28, 1987	1,576,663,125
Aug 21, 1987	1,605,391,177
Aug 14, 1987	1,618,910,261
Aug 7, 1987	1,520,896,905
Jul 31, 1987	1,507,377,821
Jul 24, 1987	1,563,144,041
Jul 17, 1987	1,549,624,958
Jul 10, 1987	1,549,624,958
Jul 2, 1987	1,576,663,125
Jun 26, 1987	1,549,624,958
Jun 19, 1987	1,563,144,041
Jun 12, 1987	1,563,144,041
Jun 5, 1987	1,576,663,125
May 29, 1987	1,549,624,958
May 22, 1987	1,576,663,125
May 15, 1987	1,605,391,177
May 8, 1987	1,618,910,261
May 1, 1987	1,647,638,314
Apr 24, 1987	1,605,391,177
Apr 16, 1987	1,605,391,177
Apr 10, 1987	1,549,624,958
Apr 3, 1987	1,618,910,261
Mar 27, 1987	1,634,119,230
Mar 20, 1987	1,605,391,177
Mar 13, 1987	1,605,391,177
Mar 6, 1987	1,591,872,094
Feb 27, 1987	1,661,157,397
Feb 20, 1987	1,689,885,450
Feb 13, 1987	1,718,613,503
Feb 6, 1987	1,732,132,586
Jan 30, 1987	1,760,860,639
Jan 23, 1987	1,689,885,450
Jan 16, 1987	1,732,132,586
Jan 9, 1987	1,676,366,366
Jan 2, 1987	1,676,366,366
Dec 26, 1986	1,676,366,366
Dec 19, 1986	1,676,366,366
Dec 12, 1986	1,703,404,534
Dec 5, 1986	1,718,613,503
Nov 28, 1986	1,803,107,775
Nov 21, 1986	1,803,107,775
Nov 14, 1986	1,803,107,775
Nov 7, 1986	1,760,860,639
Oct 31, 1986	1,816,626,859
Oct 24, 1986	1,803,107,775
Oct 17, 1986	1,858,873,995
Oct 10, 1986	1,830,145,942
Oct 3, 1986	1,830,145,942
Sep 26, 1986	1,732,132,586
Sep 19, 1986	1,676,366,366
Sep 12, 1986	1,676,366,366
Sep 5, 1986	1,787,898,806
Aug 29, 1986	1,803,107,775
Aug 22, 1986	1,787,898,806
Aug 15, 1986	1,605,391,177