Alliant Energy Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Feb 11, 2026	68.69	68.69	67.32	68.16	68.16	-0.12%	40
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
Dec 30, 2025	64.85	66.15	64.85	65.53	65.00	-0.21%	45
Dec 29, 2025	64.77	65.69	64.70	65.67	65.14	0.81%	130
Dec 24, 2025	65.01	65.29	64.96	65.14	64.62	0.22%	1
Dec 23, 2025	65.42	66.02	64.75	65.00	64.48	0.25%	161
Dec 22, 2025	65.66	65.66	64.32	64.84	64.31	-0.88%	55
Dec 19, 2025	65.69	65.69	64.81	65.41	64.88	-0.61%	988
Dec 18, 2025	65.32	65.97	65.32	65.81	65.28	0.56%	104
Dec 17, 2025	65.84	65.84	64.92	65.44	64.92	0.48%	42
Dec 16, 2025	65.94	65.94	64.94	65.13	64.61	-0.37%	55
Dec 15, 2025	64.81	65.75	64.81	65.37	64.84	0.10%	281
Dec 12, 2025	64.81	65.37	64.81	65.30	64.78	-0.13%	43
Dec 11, 2025	64.39	65.41	64.29	65.39	64.86	0.28%	289
Dec 10, 2025	65.20	65.48	64.89	65.21	64.68	0.11%	181
Dec 9, 2025	65.00	65.26	64.62	65.14	64.62	-0.05%	9
Dec 8, 2025	66.14	66.14	64.93	65.17	64.64	-0.47%	47
Dec 5, 2025	65.71	66.33	65.18	65.48	64.95	-0.13%	258
Dec 4, 2025	66.10	66.46	65.56	65.56	65.03	-0.72%	1,549
Dec 3, 2025	67.10	67.10	65.94	66.04	65.50	-1.00%	644
Dec 2, 2025	67.02	68.99	66.71	66.71	66.17	-1.88%	882
Dec 1, 2025	69.14	69.99	67.97	67.99	67.44	-1.75%	826
Nov 28, 2025	69.45	69.59	69.17	69.20	68.64	-	752