Alliant Energy Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-11-03 | 66.370 | 66.680 | 65.930 | 66.470 | 64.950 | 2,968,100 |
| 2025-10-31 | 67.350 | 67.350 | 66.660 | 66.820 | 65.292 | 2,113,800 |
| 2025-10-30 | 67.820 | 68.490 | 67.760 | 67.930 | 65.881 | 2,191,400 |
| 2025-10-29 | 67.910 | 68.240 | 67.530 | 67.790 | 65.745 | 2,768,800 |
| 2025-10-28 | 68.710 | 68.840 | 67.740 | 67.980 | 65.929 | 2,342,500 |
| 2025-10-27 | 68.920 | 69.290 | 68.040 | 68.860 | 66.783 | 1,673,500 |
| 2025-10-24 | 69.340 | 69.750 | 68.910 | 68.970 | 66.889 | 3,364,400 |
| 2025-10-23 | 68.880 | 69.030 | 68.030 | 68.600 | 66.531 | 3,381,700 |
| 2025-10-22 | 68.540 | 68.770 | 68.100 | 68.560 | 66.492 | 2,017,000 |
| 2025-10-21 | 68.590 | 68.950 | 67.790 | 68.220 | 66.162 | 1,766,400 |
| 2025-10-20 | 68.450 | 68.670 | 68.060 | 68.590 | 66.521 | 1,563,300 |
| 2025-10-17 | 68.050 | 68.270 | 67.730 | 68.070 | 66.017 | 2,052,600 |
| 2025-10-16 | 68.460 | 69.160 | 67.460 | 67.600 | 65.561 | 2,323,100 |
| 2025-10-15 | 68.410 | 68.800 | 68.300 | 68.630 | 66.560 | 1,707,000 |
| 2025-10-14 | 68.040 | 68.610 | 67.780 | 68.330 | 66.269 | 1,816,700 |
| 2025-10-13 | 67.640 | 68.240 | 67.320 | 67.660 | 65.619 | 1,449,300 |
| 2025-10-10 | 67.550 | 68.320 | 67.390 | 67.750 | 65.706 | 1,907,200 |
| 2025-10-09 | 68.040 | 68.040 | 67.160 | 67.240 | 65.212 | 1,481,100 |
| 2025-10-08 | 68.520 | 68.520 | 67.310 | 67.870 | 65.823 | 1,530,100 |
| 2025-10-07 | 68.170 | 68.500 | 67.680 | 68.070 | 66.017 | 1,898,100 |
| 2025-10-06 | 66.810 | 68.190 | 66.770 | 68.120 | 66.065 | 2,723,900 |
| 2025-10-03 | 66.300 | 67.150 | 66.230 | 66.800 | 64.785 | 1,782,100 |
| 2025-10-02 | 66.650 | 66.880 | 66.140 | 66.310 | 64.310 | 2,247,400 |
| 2025-10-01 | 67.370 | 67.550 | 66.950 | 67.110 | 65.086 | 1,248,900 |
| 2025-09-30 | 66.600 | 67.540 | 66.450 | 67.410 | 65.377 | 1,663,600 |
| 2025-09-29 | 66.160 | 66.910 | 65.820 | 66.780 | 64.766 | 1,997,300 |
| 2025-09-26 | 65.490 | 66.250 | 65.490 | 66.070 | 64.077 | 1,760,000 |
| 2025-09-25 | 65.470 | 65.940 | 65.070 | 65.200 | 63.233 | 2,234,000 |
| 2025-09-24 | 64.990 | 65.540 | 64.730 | 65.470 | 63.495 | 2,023,700 |
| 2025-09-23 | 64.080 | 64.890 | 63.980 | 64.840 | 62.884 | 1,510,300 |
| 2025-09-22 | 64.160 | 64.370 | 63.700 | 64.220 | 62.283 | 1,340,400 |
| 2025-09-19 | 63.960 | 64.480 | 63.500 | 64.170 | 62.234 | 2,539,600 |
| 2025-09-18 | 63.670 | 64.150 | 63.280 | 63.780 | 61.856 | 1,143,400 |
| 2025-09-17 | 63.990 | 64.430 | 63.780 | 63.860 | 61.934 | 1,944,700 |
| 2025-09-16 | 64.540 | 64.670 | 63.540 | 63.620 | 61.701 | 1,632,500 |
| 2025-09-15 | 64.860 | 65.040 | 64.690 | 64.730 | 62.777 | 862,100 |
| 2025-09-12 | 64.440 | 65.040 | 64.440 | 64.860 | 62.903 | 1,127,300 |
| 2025-09-11 | 63.960 | 64.780 | 63.750 | 64.660 | 62.709 | 1,588,800 |
| 2025-09-10 | 64.010 | 64.350 | 63.740 | 63.990 | 62.060 | 1,612,700 |
| 2025-09-09 | 63.780 | 64.240 | 63.620 | 64.010 | 62.079 | 1,656,300 |
| 2025-09-08 | 64.680 | 64.720 | 63.700 | 64.050 | 62.118 | 1,911,800 |
| 2025-09-05 | 64.920 | 64.990 | 64.210 | 64.620 | 62.671 | 1,609,200 |
| 2025-09-04 | 64.850 | 65.140 | 64.310 | 64.720 | 62.768 | 2,086,400 |
| 2025-09-03 | 64.440 | 64.830 | 64.170 | 64.520 | 62.574 | 1,600,800 |
| 2025-09-02 | 64.660 | 65.020 | 64.380 | 64.660 | 62.709 | 1,701,400 |
| 2025-08-29 | 65.100 | 65.460 | 64.750 | 65.070 | 63.107 | 1,669,600 |
| 2025-08-28 | 65.830 | 65.830 | 64.870 | 65.020 | 63.059 | 1,626,500 |
| 2025-08-27 | 65.750 | 65.980 | 65.490 | 65.800 | 63.815 | 1,634,300 |
| 2025-08-26 | 66.100 | 66.220 | 65.580 | 65.710 | 63.728 | 1,836,500 |
| 2025-08-25 | 66.670 | 66.990 | 66.000 | 66.180 | 64.184 | 1,486,900 |
| 2025-08-22 | 66.570 | 67.110 | 66.400 | 66.970 | 64.950 | 2,248,200 |
| 2025-08-21 | 66.110 | 66.560 | 65.850 | 66.110 | 64.116 | 1,922,000 |
| 2025-08-20 | 66.340 | 67.020 | 66.040 | 66.330 | 64.329 | 2,294,800 |
| 2025-08-19 | 64.560 | 66.050 | 64.450 | 66.020 | 64.028 | 2,239,100 |
| 2025-08-18 | 64.860 | 65.200 | 64.400 | 64.430 | 62.486 | 3,168,100 |
| 2025-08-15 | 64.760 | 64.860 | 64.000 | 64.620 | 62.671 | 3,185,500 |
| 2025-08-14 | 65.450 | 65.940 | 64.660 | 64.720 | 62.768 | 2,288,700 |
| 2025-08-13 | 64.860 | 65.400 | 64.610 | 65.370 | 63.398 | 1,217,900 |
| 2025-08-12 | 65.610 | 65.610 | 64.160 | 64.800 | 62.845 | 2,316,200 |
| 2025-08-11 | 66.090 | 66.090 | 65.010 | 65.320 | 63.350 | 1,599,500 |
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.