Alliant Energy Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Mar 13, 2026	71.57	72.99	71.57	72.96	72.96	1.23%	407
Mar 12, 2026	71.50	72.07	70.47	72.07	72.07	1.72%	2,090
Mar 11, 2026	72.06	72.31	70.85	70.85	70.85	-1.12%	28
Mar 10, 2026	71.23	71.83	71.02	71.65	71.65	0.54%	20
Mar 9, 2026	70.81	71.55	70.81	71.26	71.26	-0.07%	183
Mar 6, 2026	71.32	71.32	70.96	71.31	71.31	0.01%	10
Mar 5, 2026	72.92	72.92	70.93	71.31	71.31	-1.17%	329
Mar 4, 2026	72.03	72.30	71.00	72.15	72.15	0.77%	521
Mar 3, 2026	70.19	72.54	70.19	71.60	71.60	-1.09%	100
Mar 2, 2026	71.98	72.99	71.76	72.39	72.39	0.19%	282
Feb 27, 2026	72.02	72.25	70.72	72.25	72.25	1.20%	45
Feb 26, 2026	70.62	71.90	70.62	71.39	71.39	0.26%	221
Feb 25, 2026	72.34	72.34	70.40	71.21	71.21	-0.10%	1,982
Feb 24, 2026	71.34	72.62	70.86	71.28	71.28	-0.81%	36
Feb 23, 2026	70.30	72.11	70.30	71.86	71.86	1.14%	47
Feb 20, 2026	71.99	71.99	70.03	71.05	71.05	0.97%	226
Feb 19, 2026	70.15	70.47	68.91	70.37	70.37	0.64%	22
Feb 18, 2026	70.25	72.29	69.89	69.92	69.92	-1.88%	166
Feb 17, 2026	71.19	72.26	71.00	71.26	71.26	0.09%	36
Feb 13, 2026	70.16	71.20	69.27	71.20	71.20	1.62%	91
Feb 12, 2026	67.89	70.23	67.89	70.06	70.06	2.77%	259
Feb 11, 2026	68.69	68.69	67.32	68.17	68.17	-0.10%	97
Feb 10, 2026	67.50	68.24	66.30	68.24	68.24	2.20%	59
Feb 9, 2026	66.17	67.49	66.16	66.77	66.77	0.15%	49
Feb 6, 2026	67.43	67.55	66.23	66.67	66.67	-0.12%	2,210
Feb 5, 2026	66.72	67.73	66.54	66.75	66.75	-0.10%	187
Feb 4, 2026	66.55	67.29	65.92	66.82	66.82	1.00%	391
Feb 3, 2026	65.33	66.39	64.93	66.16	66.16	1.62%	1,375
Feb 2, 2026	66.35	66.35	65.11	65.11	65.11	-0.55%	51
Jan 30, 2026	66.32	66.32	65.00	65.47	65.47	-0.68%	42
Jan 29, 2026	66.01	66.98	65.81	65.92	65.39	-0.95%	108
Jan 28, 2026	67.65	68.00	66.55	66.55	66.01	-1.03%	749
Jan 27, 2026	66.67	67.69	66.67	67.24	66.70	0.63%	43
Jan 26, 2026	67.49	67.51	66.51	66.82	66.28	0.84%	1,992
Jan 23, 2026	68.17	68.17	65.93	66.26	65.73	-1.56%	1,422
Jan 22, 2026	68.40	68.40	66.72	67.31	66.77	0.25%	27
Jan 21, 2026	67.75	68.88	66.95	67.14	66.60	-0.19%	626
Jan 20, 2026	66.85	68.00	66.56	67.27	66.73	-0.22%	796
Jan 16, 2026	67.66	67.66	66.55	67.42	66.88	0.31%	19
Jan 15, 2026	68.19	68.19	66.70	67.21	66.67	0.71%	166
Jan 14, 2026	66.63	66.80	65.56	66.74	66.20	1.64%	74
Jan 13, 2026	65.58	66.11	65.27	65.67	65.14	0.85%	1,481
Jan 12, 2026	64.78	65.66	64.78	65.11	64.58	-0.36%	158
Jan 9, 2026	66.08	66.08	64.80	65.34	64.82	0.28%	1,383
Jan 8, 2026	63.88	65.38	63.88	65.16	64.64	0.47%	324
Jan 7, 2026	65.18	65.90	64.64	64.86	64.33	-0.24%	52
Jan 6, 2026	65.03	65.19	63.92	65.01	64.49	1.59%	9
Jan 5, 2026	65.48	65.61	63.99	63.99	63.47	-2.50%	14
Jan 2, 2026	65.47	66.00	64.53	65.63	65.10	0.46%	32
Dec 31, 2025	66.74	66.74	64.77	65.33	64.80	-0.31%	18