Alliant Energy Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
May 20, 2026	73.23	73.57	72.43	72.50	72.50	-0.68%	2,718,522
May 19, 2026	72.00	73.13	71.71	73.00	73.00	1.26%	2,755,070
May 18, 2026	71.48	72.15	71.20	72.09	72.09	1.68%	2,022,577
May 15, 2026	72.45	72.45	70.89	70.90	70.90	-2.14%	2,626,999
May 14, 2026	72.52	72.85	72.09	72.45	72.45	0.21%	1,557,979
May 13, 2026	72.06	72.73	71.69	72.30	72.30	-0.40%	2,590,419
May 12, 2026	72.50	72.94	71.72	72.59	72.59	0.17%	3,458,922
May 11, 2026	72.14	72.76	72.06	72.47	72.47	0.99%	1,671,706
May 8, 2026	71.98	72.27	71.46	71.76	71.76	0.10%	2,582,625
May 7, 2026	72.04	72.26	71.48	71.69	71.69	-0.86%	2,914,694
May 6, 2026	73.07	73.52	72.11	72.31	72.31	-1.04%	2,932,986
May 5, 2026	73.57	73.91	72.81	73.07	73.07	-0.83%	3,416,802
May 4, 2026	73.41	74.16	72.69	73.68	73.68	-0.51%	3,435,294
May 1, 2026	73.43	75.76	72.59	74.06	74.06	0.86%	4,344,324
Apr 30, 2026	71.52	73.71	71.52	73.43	73.43	1.99%	3,934,758
Apr 29, 2026	72.46	72.59	71.69	72.00	71.47	-0.63%	1,776,115
Apr 28, 2026	72.67	73.20	72.27	72.46	71.92	0.06%	1,726,320
Apr 27, 2026	72.31	72.87	72.20	72.42	71.88	0.15%	1,412,492
Apr 24, 2026	72.37	72.79	71.98	72.31	71.77	-0.44%	2,065,396
Apr 23, 2026	71.55	72.86	71.45	72.63	72.09	2.35%	2,096,980
Apr 22, 2026	71.60	72.02	70.61	70.96	70.43	-0.25%	1,852,193
Apr 21, 2026	72.55	73.27	71.10	71.14	70.61	-1.74%	1,904,913
Apr 20, 2026	72.70	73.32	72.27	72.40	71.86	-0.59%	1,722,396
Apr 17, 2026	72.47	72.92	71.73	72.83	72.29	0.08%	1,784,721
Apr 16, 2026	71.93	72.83	71.89	72.77	72.23	0.82%	2,130,189
Apr 15, 2026	71.99	72.38	71.37	72.18	71.64	-0.17%	2,082,960
Apr 14, 2026	72.51	72.52	71.65	72.30	71.76	-0.29%	1,501,168
Apr 13, 2026	73.14	73.35	71.98	72.51	71.97	-0.81%	1,822,663
Apr 10, 2026	73.40	73.78	72.87	73.10	72.56	-0.84%	2,036,094
Apr 9, 2026	72.99	74.40	72.93	73.72	73.17	1.00%	1,730,801
Apr 8, 2026	72.26	73.00	71.56	72.99	72.45	0.47%	1,537,426
Apr 7, 2026	72.10	73.14	72.10	72.65	72.11	0.28%	1,538,172
Apr 6, 2026	72.50	72.99	72.34	72.45	71.91	-0.55%	1,345,711
Apr 2, 2026	72.14	72.99	71.89	72.85	72.31	1.26%	1,668,441
Apr 1, 2026	71.36	72.35	71.32	71.94	71.41	0.25%	1,823,063
Mar 31, 2026	71.55	71.84	70.56	71.76	71.23	0.38%	2,376,518
Mar 30, 2026	71.51	71.81	71.10	71.49	70.96	1.38%	1,781,442
Mar 27, 2026	70.34	71.25	70.05	70.52	70.00	0.37%	2,057,256
Mar 26, 2026	69.77	70.48	69.63	70.26	69.74	0.70%	1,342,349
Mar 25, 2026	70.00	70.38	69.49	69.77	69.25	0.16%	1,333,912
Mar 24, 2026	68.93	70.45	68.86	69.66	69.14	0.71%	1,680,756
Mar 23, 2026	69.90	69.90	68.71	69.17	68.66	0.67%	3,150,478
Mar 20, 2026	71.04	71.56	68.11	68.71	68.20	-3.66%	4,456,921
Mar 19, 2026	71.78	72.23	70.60	71.32	70.79	-0.61%	1,962,478
Mar 18, 2026	72.27	72.35	71.72	71.76	71.23	-1.20%	1,802,686
Mar 17, 2026	73.34	73.36	72.47	72.63	72.09	-0.55%	1,368,506
Mar 16, 2026	73.41	73.41	72.71	73.03	72.49	0.33%	1,704,487
Mar 13, 2026	72.31	72.96	72.14	72.79	72.25	1.70%	1,680,242
Mar 12, 2026	70.59	72.37	70.59	71.57	71.04	1.07%	2,503,807
Mar 11, 2026	71.19	71.62	70.62	70.81	70.28	-0.32%	2,271,200