NYSE:ATO | Historical Stock Price | ATMOS ENERGY CORP

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
1983-12-28 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$5.03$14.08$39.46$110.56$309.75$867.821983-12-282026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 1999

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
1999-12-31$20.44$34.6447,600——
1999-12-30$20.00$33.9060,900——
1999-12-29$20.44$34.6427,500——
1999-12-28$20.53$34.8031,000——
1999-12-27$20.63$34.9645,400——
1999-12-23$20.75$35.1768,300——
1999-12-22$21.19$35.9120,100——
1999-12-21$21.19$35.9131,900——
1999-12-20$21.00$35.5961,200——
1999-12-17$20.50$34.7565,100——
1999-12-16$21.13$35.8119,700——
1999-12-15$21.50$36.4463,700——
1999-12-14$21.13$35.8146,200——
1999-12-13$20.88$35.3887,800——
1999-12-10$21.19$35.9129,000——
1999-12-09$21.06$35.7070,700——
1999-12-08$21.88$37.0828,600——
1999-12-07$22.06$37.4035,100——
1999-12-06$22.31$37.82182,900——
1999-12-03$22.44$38.0329,600——
1999-12-02$22.44$38.0314,200——
1999-12-01$22.25$37.7148,800——
1999-11-30$22.31$37.8241,600——
1999-11-29$22.25$37.7136,300——
1999-11-26$22.38$37.9323,900——
1999-11-24$22.50$38.141,715,200——
1999-11-23$22.50$38.1424,900——
1999-11-22$22.38$37.93103,400——
1999-11-19$22.63$37.87145,100——
1999-11-18$22.50$37.6665,400——
1999-11-17$22.56$37.7678,300——
1999-11-16$22.75$38.0826,300——
1999-11-15$22.75$38.0854,900——
1999-11-12$22.69$37.97302,300——
1999-11-11$22.81$38.1812,000——
1999-11-10$22.94$38.3931,500——
1999-11-09$22.63$37.8752,300——
1999-11-08$22.63$37.8727,000——
1999-11-05$22.63$37.8753,500——
1999-11-04$23.19$38.8117,200——
1999-11-03$23.13$38.7025,600——
1999-11-02$23.06$38.6017,900——
1999-11-01$23.00$38.4934,100——
1999-10-29$22.69$37.9772,600——
1999-10-28$23.25$38.9115,900——
1999-10-27$23.19$38.8134,700——
1999-10-26$23.06$38.6086,800——
1999-10-25$23.38$39.1216,700——
1999-10-22$23.50$39.3330,100——
1999-10-21$23.31$39.0215,000——
1999-10-20$23.13$38.7043,100——
1999-10-19$23.88$39.9619,200——
1999-10-18$23.94$40.0618,200——
1999-10-15$23.81$39.8548,400——
1999-10-14$24.00$40.1730,700——
1999-10-13$24.05$40.2528,800——
1999-10-12$24.75$41.4222,700——
1999-10-11$24.44$40.904,500——
1999-10-08$24.38$40.8022,100——
1999-10-07$25.00$41.848,200——
1999-10-06$25.00$41.8428,400——
1999-10-05$24.63$41.2115,100——
1999-10-04$24.69$41.3224,500——
1999-10-01$23.88$39.9620,600——
1999-09-30$24.13$40.38109,300——
1999-09-29$24.63$41.2145,600——
1999-09-28$24.81$41.5340,400——
1999-09-27$24.44$40.9018,100——
1999-09-24$24.13$40.3832,800——
1999-09-23$24.63$41.2116,300——
1999-09-22$24.25$40.5915,000——
1999-09-21$24.00$40.1732,200——
1999-09-20$24.31$40.6920,100——
1999-09-17$24.25$40.5938,900——
1999-09-16$24.75$41.4229,800——
1999-09-15$25.13$42.057,400——
1999-09-14$25.00$41.8436,300——
1999-09-13$25.13$42.0528,500——
1999-09-10$24.63$41.2157,000——
1999-09-09$25.38$42.4714,400——
1999-09-08$25.38$42.474,500——
1999-09-07$25.00$41.8418,600——
1999-09-03$25.38$42.4719,600——
1999-09-02$25.00$41.84254,100——
1999-09-01$25.00$41.8414,700——
1999-08-31$25.06$41.9512,000——
1999-08-30$25.06$41.9523,300——
1999-08-27$25.38$42.4731,900——
1999-08-26$25.06$41.9516,800——
1999-08-25$25.75$43.101,372,000——
1999-08-24$24.94$41.7495,000——
1999-08-23$25.25$42.2617,400——
1999-08-20$26.38$43.6846,000——
1999-08-19$25.31$41.9211,400——
1999-08-18$25.44$42.1325,000——
1999-08-17$25.16$41.66136,600——
1999-08-16$25.00$41.4015,900——
1999-08-13$24.75$40.99215,500——
1999-08-12$24.56$40.6820,600——
1999-08-11$24.56$40.6822,000——
1999-08-10$24.88$41.2027,500——
1999-08-09$24.56$40.6859,900——
1999-08-06$24.94$41.3031,800——
1999-08-05$25.00$41.4026,100——
1999-08-04$24.56$40.6819,700——
1999-08-03$24.69$40.8910,900——
1999-08-02$25.00$41.4017,100——
1999-07-30$25.00$41.4014,700——
1999-07-29$24.88$41.2034,300——
1999-07-28$25.00$41.40159,100——
1999-07-27$25.13$41.6113,200——
1999-07-26$25.19$41.7210,700——
1999-07-23$25.19$41.7258,100——
1999-07-22$25.19$41.7234,100——
1999-07-21$25.31$41.9224,900——
1999-07-20$25.38$42.0320,100——
1999-07-19$25.44$42.1334,200——
1999-07-16$25.81$42.7533,700——
1999-07-15$25.81$42.7528,200——
1999-07-14$25.38$42.0331,700——
1999-07-13$25.38$42.0342,600——
1999-07-12$25.56$42.3457,300——
1999-07-09$25.50$42.2322,400——
1999-07-08$25.06$41.5135,700——
1999-07-07$24.44$40.4723,000——
1999-07-06$24.50$40.5828,400——
1999-07-02$24.94$41.3036,200——
1999-07-01$25.00$41.4023,900——
1999-06-30$25.00$41.4045,500——
1999-06-29$25.94$42.9628,300——
1999-06-28$25.94$42.9622,100——
1999-06-25$25.63$42.4419,400——
1999-06-24$25.56$42.3418,500——
1999-06-23$26.00$43.0623,100——
1999-06-22$25.13$41.6119,200——
1999-06-21$25.38$42.0313,400——
1999-06-18$25.81$42.7531,600——
1999-06-17$25.75$42.6543,400——
1999-06-16$25.88$42.8511,500——
1999-06-15$25.38$42.0313,700——
1999-06-14$24.81$41.0914,800——
1999-06-11$25.00$41.4030,700——
1999-06-10$25.19$41.7258,700——
1999-06-09$25.88$42.858,000——
1999-06-08$26.00$43.0627,800——
1999-06-07$25.88$42.8522,200——
1999-06-04$26.06$43.1621,700——
1999-06-03$26.00$43.0650,900——
1999-06-02$25.88$42.8514,600——
1999-06-01$25.63$42.4423,600——
1999-05-28$25.38$42.0322,000——
1999-05-27$25.50$42.2316,100——
1999-05-26$25.44$42.1321,700——
1999-05-25$25.50$42.231,309,400——
1999-05-24$25.44$42.1323,900——
1999-05-21$25.31$41.9226,300——
1999-05-20$24.81$40.6430,100——
1999-05-19$24.81$40.6423,000——
1999-05-18$24.75$40.5429,100——
1999-05-17$24.88$40.7426,300——
1999-05-14$25.06$41.0529,500——
1999-05-13$25.06$41.0556,600——
1999-05-12$24.56$40.2314,300——
1999-05-11$25.25$41.3619,800——
1999-05-10$24.25$39.7262,000——
1999-05-07$24.13$39.5119,200——
1999-05-06$24.25$39.7222,000——
1999-05-05$24.31$39.8231,600——
1999-05-04$24.88$40.7440,800——
1999-05-03$25.25$41.3626,500——
1999-04-30$25.25$41.3637,900——
1999-04-29$25.25$41.3630,400——
1999-04-28$25.50$41.7621,900——
1999-04-27$26.25$42.9916,500——
1999-04-26$25.56$41.8742,300——
1999-04-23$25.50$41.769,700——
1999-04-22$25.56$41.8727,200——
1999-04-21$26.19$42.8937,200——
1999-04-20$26.13$42.7932,600——
1999-04-19$26.19$42.898,500——
1999-04-16$26.06$42.6917,200——
1999-04-15$26.06$42.6920,700——
1999-04-14$26.25$42.9941,700——
1999-04-13$26.31$43.10129,600——
1999-04-12$25.94$42.4863,200——
1999-04-09$25.13$41.1560,500——
1999-04-08$24.19$39.6227,000——
1999-04-07$24.00$39.3146,800——
1999-04-06$24.06$39.4140,900——
1999-04-05$24.56$40.2396,900——
1999-04-01$24.25$39.7218,000——
1999-03-31$24.06$39.4151,300——
1999-03-30$24.13$39.51156,500——
1999-03-29$24.00$39.3150,300——
1999-03-26$23.94$39.2174,000——
1999-03-25$23.69$38.80104,100——
1999-03-24$23.31$38.18116,800——
1999-03-23$23.13$37.8830,500——
1999-03-22$23.88$39.1023,700——
1999-03-19$24.31$39.8264,800——
1999-03-18$23.25$38.0884,400——
1999-03-17$23.38$38.2827,000——
1999-03-16$23.19$37.9853,800——
1999-03-15$23.63$38.6953,800——
1999-03-12$23.50$38.4924,500——
1999-03-11$23.63$38.6927,500——
1999-03-10$23.06$37.7769,700——
1999-03-09$23.63$38.6957,300——
1999-03-08$23.38$38.2879,100——
1999-03-05$23.44$38.3969,200——
1999-03-04$23.63$38.6979,300——
1999-03-03$23.63$38.6922,500——
1999-03-02$24.38$39.9217,000——
1999-03-01$24.13$39.5189,100——
1999-02-26$24.00$39.3169,900——
1999-02-25$24.00$39.311,217,600——
1999-02-24$23.25$38.0845,000——
1999-02-23$24.25$39.7238,200——
1999-02-22$24.38$39.4791,800——
1999-02-19$24.50$39.6726,400——
1999-02-18$24.94$40.3824,100——
1999-02-17$25.00$40.4845,300——
1999-02-16$25.00$40.4824,800——
1999-02-12$25.31$40.9918,300——
1999-02-11$25.75$41.7030,100——
1999-02-10$25.75$41.7093,700——
1999-02-09$26.25$42.5167,700——
1999-02-08$26.50$42.9132,800——
1999-02-05$27.06$43.8217,300——
1999-02-04$27.75$44.9425,300——
1999-02-03$28.13$45.5423,300——
1999-02-02$28.94$46.8640,800——
1999-02-01$28.63$46.3536,000——
1999-01-29$29.81$48.2858,500——
1999-01-28$29.38$47.5735,100——
1999-01-27$29.31$47.4760,600——
1999-01-26$29.31$47.4715,600——
1999-01-25$29.31$47.4721,500——
1999-01-22$29.44$47.6738,800——
1999-01-21$29.38$47.5743,900——
1999-01-20$30.25$48.9929,700——
1999-01-19$29.69$48.079,100——
1999-01-15$30.63$49.5912,700——
1999-01-14$30.31$49.0917,000——
1999-01-13$30.75$49.8034,000——
1999-01-12$29.88$48.3828,200——
1999-01-11$29.75$48.1834,800——
1999-01-08$30.63$49.5927,800——
1999-01-07$30.44$49.2929,900——
1999-01-06$31.31$50.7113,500——
1999-01-05$31.63$51.2137,500——
1999-01-04$32.69$52.9335,800——