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
Jan 7, 2000	3,389,910,213
Dec 31, 1999	3,454,125,860
Dec 23, 1999	3,506,512,309
Dec 17, 1999	3,464,265,172
Dec 10, 1999	3,580,867,268
Dec 3, 1999	3,792,102,950
Nov 26, 1999	3,781,963,637
Nov 19, 1999	3,824,210,773
Nov 12, 1999	3,834,350,086
Nov 5, 1999	3,824,210,773
Oct 29, 1999	3,834,350,086
Oct 22, 1999	3,971,230,807
Oct 15, 1999	4,023,617,256
Oct 8, 1999	4,119,940,727
Oct 1, 1999	4,035,446,455
Sep 24, 1999	4,077,693,591
Sep 17, 1999	4,097,972,216
Sep 10, 1999	4,162,187,863
Sep 3, 1999	4,288,929,272
Aug 27, 1999	4,288,929,272
Aug 20, 1999	4,457,917,817
Aug 13, 1999	4,182,466,489
Aug 6, 1999	4,214,574,312
Jul 30, 1999	4,224,713,625
Jul 23, 1999	4,256,821,448
Jul 16, 1999	4,361,594,346
Jul 9, 1999	4,309,207,897
Jul 2, 1999	4,214,574,312
Jun 25, 1999	4,331,176,408
Jun 18, 1999	4,361,594,346
Jun 11, 1999	4,224,713,625
Jun 4, 1999	4,403,841,483
May 28, 1999	4,288,929,272
May 21, 1999	4,277,100,074
May 14, 1999	4,234,852,938
May 7, 1999	4,077,693,591
Apr 30, 1999	4,266,960,761
Apr 23, 1999	4,309,207,897
Apr 16, 1999	4,403,841,483
Apr 9, 1999	4,246,682,136
Apr 1, 1999	4,097,972,216
Mar 26, 1999	4,045,585,767
Mar 19, 1999	4,108,111,529
Mar 12, 1999	3,971,230,807
Mar 5, 1999	3,961,091,495
Feb 26, 1999	4,055,725,080
Feb 19, 1999	4,140,219,352
Feb 12, 1999	4,277,100,074
Feb 5, 1999	4,572,830,028
Jan 29, 1999	5,037,548,526
Jan 22, 1999	4,975,022,765
Jan 15, 1999	5,176,119,133
Jan 8, 1999	5,176,119,133
Dec 31, 1998	5,449,880,576
Dec 24, 1998	5,323,139,167
Dec 18, 1998	5,144,011,310
Dec 11, 1998	4,838,142,043
Dec 4, 1998	4,826,312,845
Nov 27, 1998	5,248,784,208
Nov 20, 1998	5,270,752,718
Nov 13, 1998	5,164,289,935
Nov 6, 1998	5,333,278,480
Oct 30, 1998	5,017,269,901
Oct 23, 1998	5,122,042,799
Oct 16, 1998	4,975,022,765
Oct 9, 1998	4,953,054,254
Oct 2, 1998	4,922,636,316
Sep 25, 1998	4,657,324,300
Sep 18, 1998	4,721,539,947
Sep 11, 1998	4,562,690,715
Sep 4, 1998	4,542,412,090
Aug 28, 1998	4,848,281,356
Aug 21, 1998	4,721,539,947
Aug 14, 1998	4,890,528,492
Aug 7, 1998	5,154,150,622
Jul 31, 1998	4,942,914,941
Jul 24, 1998	4,922,636,316
Jul 17, 1998	5,007,130,588
Jul 10, 1998	4,953,054,254
Jul 2, 1998	5,101,764,173
Jun 26, 1998	5,111,903,486
Jun 19, 1998	5,017,269,901
Jun 12, 1998	5,154,150,622
Jun 5, 1998	5,111,903,486
May 29, 1998	5,196,397,759
May 22, 1998	4,964,883,452
May 15, 1998	5,206,537,071
May 8, 1998	5,079,795,663
May 1, 1998	4,890,528,492
Apr 24, 1998	4,910,807,118
Apr 17, 1998	4,995,301,390
Apr 9, 1998	4,964,883,452
Apr 3, 1998	5,027,409,214
Mar 27, 1998	4,890,528,492
Mar 20, 1998	4,838,142,043
Mar 13, 1998	4,858,420,669
Mar 6, 1998	4,922,636,316
Feb 27, 1998	4,848,281,356
Feb 20, 1998	4,880,389,180
Feb 13, 1998	4,763,787,083