Alliant Energy Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Oct 16, 2026	67.50	68.22	67.04	68.11	68.11	1.51%	1,358,454
Oct 15, 2026	68.38	68.44	67.00	67.10	67.10	-0.61%	2,668,369
Oct 14, 2026	67.05	67.59	66.55	67.51	67.51	0.82%	2,386,731
Oct 13, 2026	67.01	67.10	65.65	66.96	66.96	0.75%	1,947,807
Oct 12, 2026	65.90	66.51	65.54	66.46	66.46	0.93%	2,842,809
Oct 9, 2026	65.67	65.99	65.28	65.85	65.85	0.53%	2,268,559
Oct 8, 2026	65.31	65.70	64.86	65.50	65.50	0.44%	2,488,353
Oct 7, 2026	65.40	65.67	65.10	65.21	65.21	-0.43%	2,128,934
Oct 6, 2026	64.67	65.54	64.44	65.49	65.49	1.87%	2,504,674
Oct 5, 2026	64.18	64.80	63.97	64.29	64.29	-0.06%	2,938,782
Oct 2, 2026	63.79	65.20	63.79	64.33	64.33	0.97%	5,101,181
Oct 1, 2026	63.30	63.93	62.54	63.71	63.71	0.65%	3,360,043
Sep 30, 2026	64.54	64.65	63.18	63.30	63.30	-1.62%	4,621,994
Sep 29, 2026	62.81	64.47	62.77	64.34	64.34	1.79%	3,853,319
Sep 28, 2026	63.44	63.81	62.78	63.21	63.21	-0.61%	3,939,056
Sep 25, 2026	63.26	63.65	62.70	63.60	63.60	0.46%	2,691,470
Sep 24, 2026	63.85	64.00	63.27	63.31	63.31	-0.60%	2,411,150
Sep 23, 2026	64.66	64.66	63.56	63.69	63.69	-1.44%	2,937,332
Sep 22, 2026	64.98	65.33	64.57	64.62	64.62	-0.54%	2,195,795
Sep 21, 2026	65.62	65.70	64.76	64.97	64.97	-0.97%	3,023,969
Sep 18, 2026	66.50	66.50	65.56	65.61	65.61	-1.55%	3,897,921
Sep 17, 2026	66.23	66.75	66.05	66.64	66.64	0.80%	2,173,369
Sep 16, 2026	66.32	66.73	65.80	66.11	66.11	0.18%	1,895,906
Sep 15, 2026	67.05	67.13	65.91	65.99	65.99	-1.39%	1,459,427
Sep 14, 2026	67.30	67.71	66.74	66.92	66.92	-0.51%	1,765,390
Sep 11, 2026	67.80	67.80	67.03	67.26	67.26	0.01%	1,950,290
Sep 10, 2026	67.89	68.43	67.16	67.25	67.25	-0.90%	1,863,138
Sep 9, 2026	68.60	68.97	67.42	67.86	67.86	-1.09%	1,821,628
Sep 8, 2026	67.86	69.04	67.86	68.61	68.61	0.94%	2,045,353
Sep 4, 2026	67.57	68.54	67.44	67.97	67.97	-0.04%	1,850,067
Sep 3, 2026	67.93	68.44	67.67	68.00	68.00	0.38%	2,345,867
Sep 2, 2026	67.88	68.12	67.22	67.74	67.74	-0.27%	2,293,094
Sep 1, 2026	67.98	68.58	67.55	67.92	67.92	-0.09%	2,843,622
Aug 31, 2026	67.61	68.33	67.38	67.98	67.98	-0.07%	2,360,296
Aug 28, 2026	68.59	68.73	67.73	68.03	68.03	-0.26%	2,048,651
Aug 27, 2026	68.31	68.51	67.90	68.21	68.21	-1.03%	1,508,567
Aug 26, 2026	68.34	69.19	68.17	68.92	68.92	0.85%	1,706,798
Aug 25, 2026	68.50	68.68	68.14	68.34	68.34	-0.12%	1,381,078
Aug 24, 2026	68.01	68.50	67.68	68.42	68.42	0.83%	1,823,233
Aug 21, 2026	69.76	70.51	67.81	67.86	67.86	-2.30%	1,956,161
Aug 20, 2026	69.80	70.59	69.43	69.46	69.46	-0.98%	1,765,442
Aug 19, 2026	70.48	70.64	69.84	70.15	70.15	0.24%	1,936,097
Aug 18, 2026	71.25	71.46	69.95	69.98	69.98	-0.53%	2,018,141
Aug 17, 2026	70.15	70.44	69.77	70.35	70.35	-0.35%	2,058,179
Aug 14, 2026	70.01	70.77	69.99	70.60	70.60	0.57%	1,610,188
Aug 13, 2026	70.46	70.77	70.15	70.20	70.20	-0.06%	3,255,562
Aug 12, 2026	68.95	70.46	68.81	70.24	70.24	2.42%	5,651,652
Aug 11, 2026	68.06	68.77	67.54	68.58	68.58	0.54%	2,915,617
Aug 10, 2026	69.55	69.55	67.94	68.21	68.21	-1.67%	2,749,824
Aug 7, 2026	69.41	69.86	68.89	69.37	69.37	-0.22%	2,152,140