Alliant Energy Corp historical data

1M 3M 6M 1Y 5Y MAX Download CSV

Date	Open	High	Low	Close	Adj. close	Volume
2026-01-29	66.260	66.940	65.730	66.330	64.813	4,587,000
2026-01-28	67.190	67.500	66.180	66.260	64.745	3,204,300
2026-01-27	66.870	67.590	66.800	67.190	65.654	1,859,700
2026-01-26	66.850	67.570	66.690	67.010	65.478	1,842,200
2026-01-23	66.750	66.860	65.870	66.830	65.302	2,395,400
2026-01-22	67.410	67.660	66.540	66.870	65.341	1,869,700
2026-01-21	67.740	67.800	66.840	67.440	65.898	2,837,800
2026-01-20	67.540	67.540	66.670	67.280	65.742	1,902,400
2026-01-16	66.770	67.630	66.540	67.340	65.800	2,083,800
2026-01-15	67.050	67.330	66.630	67.060	65.527	2,146,800
2026-01-14	66.170	67.020	66.170	66.860	65.331	1,962,300
2026-01-13	65.810	66.330	65.240	66.170	64.657	2,570,500
2026-01-12	65.020	65.450	64.800	65.170	63.680	1,783,900
2026-01-09	65.370	66.090	65.000	65.020	63.533	2,049,800
2026-01-08	64.630	65.560	64.600	65.550	64.051	2,534,000
2026-01-07	65.500	65.580	64.340	64.600	63.123	2,596,700
2026-01-06	64.900	65.470	64.750	65.380	63.885	1,595,200
2026-01-05	65.250	65.470	63.870	64.900	63.416	2,571,200
2026-01-02	65.010	66.030	64.640	65.590	64.090	1,354,400
2025-12-31	65.520	65.620	65.000	65.010	63.523	1,132,900
2025-12-30	65.420	65.660	65.270	65.420	63.924	854,500
2025-12-29	65.410	65.730	65.230	65.420	63.924	1,080,500
2025-12-26	65.360	65.380	64.970	65.240	63.748	1,004,300
2025-12-24	65.150	65.480	64.980	65.450	63.953	718,700
2025-12-23	65.040	65.330	64.800	65.260	63.768	1,525,600
2025-12-22	64.480	65.150	64.300	65.030	63.543	2,132,200
2025-12-19	65.420	65.700	64.530	64.630	63.152	3,877,900
2025-12-18	65.600	66.040	65.570	65.690	64.188	1,611,100
2025-12-17	65.120	65.670	64.870	65.480	63.983	2,198,400
2025-12-16	65.840	65.890	65.010	65.260	63.768	1,456,700
2025-12-15	65.600	65.790	65.140	65.630	64.129	1,744,200
2025-12-12	65.300	65.590	65.090	65.330	63.836	1,530,000
2025-12-11	65.010	65.660	64.800	64.930	63.445	1,388,900
2025-12-10	65.000	65.550	64.590	64.810	63.328	3,338,600
2025-12-09	64.970	65.450	64.720	64.890	63.406	1,296,500
2025-12-08	65.500	65.670	64.700	64.780	63.299	1,920,900
2025-12-05	65.720	65.890	65.250	65.500	64.002	1,306,700
2025-12-04	66.120	66.580	65.480	65.710	64.207	2,795,400
2025-12-03	66.590	66.690	65.850	66.380	64.862	2,336,900
2025-12-02	67.710	67.710	66.520	66.530	65.009	1,868,400
2025-12-01	69.220	69.420	67.530	67.600	66.054	2,177,800
2025-11-28	69.450	69.590	69.160	69.470	67.881	950,900
2025-11-26	68.680	69.310	68.600	69.180	67.598	1,578,700
2025-11-25	68.520	68.850	67.870	68.480	66.914	1,561,600
2025-11-24	68.270	68.550	67.640	68.410	66.846	2,005,000
2025-11-21	67.620	68.470	67.410	68.270	66.709	2,225,400
2025-11-20	67.540	67.970	67.330	67.470	65.927	2,624,900
2025-11-19	68.020	68.090	67.100	67.220	65.683	1,783,800
2025-11-18	68.430	68.790	67.840	68.090	66.533	1,999,300
2025-11-17	67.520	68.300	67.460	68.100	66.543	1,619,700
2025-11-14	67.510	67.740	67.100	67.330	65.790	1,451,600
2025-11-13	68.030	68.260	67.300	67.420	65.878	1,771,800
2025-11-12	67.960	68.450	67.770	68.140	66.582	1,895,800
2025-11-11	67.340	68.100	67.110	68.020	66.465	2,515,400
2025-11-10	67.190	67.450	66.640	66.960	65.429	1,879,100
2025-11-07	66.780	68.240	65.780	67.340	65.800	5,146,400
2025-11-06	66.760	67.470	66.700	66.740	65.214	2,143,200
2025-11-05	66.510	67.180	66.400	66.850	65.321	2,610,800
2025-11-04	66.770	66.790	66.200	66.590	65.067	3,326,300
2025-11-03	66.370	66.680	65.930	66.470	64.950	2,968,100

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Stock splits

Date	Split (new : old)
2016-05-20	2:1

Dividends

Ex-date	Amount
2026-07-31	0.5350 USD
2026-04-30	0.5350 USD
2026-01-30	0.5350 USD
2025-10-31	0.5075 USD
2025-07-31	0.5075 USD
2025-04-30	0.5075 USD
2025-01-31	0.5075 USD
2024-10-31	0.4800 USD
2024-07-31	0.4800 USD
2024-04-29	0.4800 USD
2024-01-30	0.4800 USD
2023-10-30	0.4525 USD
2023-07-28	0.4525 USD
2023-04-27	0.4525 USD
2023-01-30	0.4525 USD
2022-10-28	0.4275 USD
2022-07-28	0.4275 USD
2022-04-28	0.4275 USD
2022-01-28	0.4275 USD
2021-10-29	0.4025 USD
2021-07-29	0.4025 USD
2021-04-29	0.4025 USD
2021-01-28	0.4025 USD
2020-10-29	0.3800 USD
2020-07-30	0.3800 USD
2020-04-29	0.3800 USD
2020-01-30	0.3800 USD
2019-10-30	0.3550 USD
2019-07-30	0.3550 USD
2019-04-29	0.3550 USD
2019-01-30	0.3550 USD

Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.