Alliant Energy Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2018-09-11 | 44.050 | 44.050 | 43.540 | 43.600 | 33.929 | 916,200 |
| 2018-09-10 | 43.470 | 43.930 | 43.410 | 43.780 | 34.069 | 1,084,900 |
| 2018-09-07 | 43.580 | 43.760 | 43.230 | 43.270 | 33.672 | 1,424,900 |
| 2018-09-06 | 43.690 | 44.000 | 43.330 | 43.860 | 34.132 | 1,092,300 |
| 2018-09-05 | 43.090 | 43.750 | 43.090 | 43.730 | 34.030 | 959,200 |
| 2018-09-04 | 42.720 | 43.280 | 42.710 | 43.090 | 33.532 | 918,800 |
| 2018-08-31 | 43.000 | 43.220 | 42.700 | 42.840 | 33.338 | 1,276,300 |
| 2018-08-30 | 43.050 | 43.170 | 42.880 | 42.990 | 33.455 | 862,700 |
| 2018-08-29 | 42.690 | 42.950 | 42.610 | 42.920 | 33.400 | 715,200 |
| 2018-08-28 | 42.720 | 42.830 | 42.510 | 42.600 | 33.151 | 825,100 |
| 2018-08-27 | 43.240 | 43.350 | 42.590 | 42.790 | 33.299 | 698,600 |
| 2018-08-24 | 42.930 | 43.240 | 42.710 | 43.180 | 33.602 | 825,300 |
| 2018-08-23 | 42.890 | 43.280 | 42.730 | 43.040 | 33.493 | 1,038,200 |
| 2018-08-22 | 43.220 | 43.300 | 42.710 | 42.850 | 33.346 | 813,600 |
| 2018-08-21 | 43.380 | 43.520 | 43.020 | 43.200 | 33.618 | 937,600 |
| 2018-08-20 | 43.650 | 43.770 | 43.380 | 43.470 | 33.828 | 1,036,300 |
| 2018-08-17 | 43.350 | 43.840 | 43.300 | 43.590 | 33.921 | 1,136,800 |
| 2018-08-16 | 42.940 | 43.480 | 42.840 | 43.440 | 33.805 | 880,900 |
| 2018-08-15 | 42.740 | 43.430 | 42.740 | 43.020 | 33.478 | 1,370,400 |
| 2018-08-14 | 42.650 | 42.990 | 42.600 | 42.730 | 33.252 | 1,155,300 |
| 2018-08-13 | 42.520 | 42.810 | 42.240 | 42.720 | 33.244 | 2,276,200 |
| 2018-08-10 | 42.980 | 43.200 | 42.640 | 42.720 | 33.244 | 1,595,700 |
| 2018-08-09 | 42.530 | 42.820 | 42.380 | 42.780 | 33.291 | 1,343,100 |
| 2018-08-08 | 42.450 | 42.600 | 42.250 | 42.470 | 33.050 | 1,885,900 |
| 2018-08-07 | 42.850 | 42.850 | 42.400 | 42.590 | 33.143 | 2,242,800 |
| 2018-08-06 | 42.890 | 43.380 | 42.780 | 42.910 | 33.392 | 1,676,900 |
| 2018-08-03 | 41.940 | 43.060 | 41.390 | 42.760 | 33.276 | 1,803,100 |
| 2018-08-02 | 42.400 | 42.820 | 42.030 | 42.470 | 33.050 | 1,359,400 |
| 2018-08-01 | 42.710 | 42.760 | 42.000 | 42.370 | 32.972 | 1,430,500 |
| 2018-07-31 | 42.490 | 43.000 | 42.290 | 42.970 | 33.439 | 1,322,000 |
| 2018-07-30 | 42.530 | 42.590 | 42.180 | 42.310 | 32.925 | 872,800 |
| 2018-07-27 | 42.980 | 43.420 | 42.830 | 42.940 | 33.155 | 1,038,200 |
| 2018-07-26 | 42.370 | 43.090 | 42.370 | 43.060 | 33.248 | 1,356,700 |
| 2018-07-25 | 42.160 | 42.430 | 41.990 | 42.120 | 32.522 | 1,079,900 |
| 2018-07-24 | 42.010 | 42.310 | 41.410 | 42.190 | 32.576 | 1,753,700 |
| 2018-07-23 | 42.590 | 42.720 | 42.010 | 42.180 | 32.568 | 907,200 |
| 2018-07-20 | 42.830 | 42.960 | 42.200 | 42.540 | 32.846 | 1,098,000 |
| 2018-07-19 | 42.930 | 43.350 | 42.800 | 42.960 | 33.170 | 1,696,900 |
| 2018-07-18 | 42.850 | 42.850 | 42.410 | 42.690 | 32.962 | 762,500 |
| 2018-07-17 | 42.880 | 43.050 | 42.690 | 42.880 | 33.109 | 805,900 |
| 2018-07-16 | 42.940 | 42.980 | 42.580 | 42.780 | 33.031 | 724,800 |
| 2018-07-13 | 43.250 | 43.350 | 42.720 | 42.930 | 33.147 | 882,800 |
| 2018-07-12 | 43.100 | 43.250 | 42.790 | 43.140 | 33.309 | 1,408,100 |
| 2018-07-11 | 42.610 | 43.190 | 42.550 | 43.110 | 33.286 | 1,120,800 |
| 2018-07-10 | 42.180 | 42.800 | 41.790 | 42.550 | 32.854 | 1,622,800 |
| 2018-07-09 | 43.770 | 43.770 | 42.040 | 42.180 | 32.568 | 1,185,600 |
| 2018-07-06 | 43.420 | 43.950 | 43.310 | 43.840 | 33.850 | 1,002,600 |
| 2018-07-05 | 43.100 | 43.420 | 42.750 | 43.410 | 33.518 | 1,166,800 |
| 2018-07-03 | 42.710 | 43.270 | 42.480 | 42.990 | 33.194 | 670,600 |
| 2018-07-02 | 42.430 | 42.730 | 42.150 | 42.710 | 32.977 | 1,222,600 |
| 2018-06-29 | 42.330 | 42.550 | 42.010 | 42.320 | 32.676 | 1,553,600 |
| 2018-06-28 | 42.390 | 42.780 | 42.260 | 42.360 | 32.707 | 1,219,400 |
| 2018-06-27 | 42.270 | 42.520 | 42.060 | 42.410 | 32.746 | 1,342,700 |
| 2018-06-26 | 42.170 | 42.650 | 41.540 | 42.280 | 32.645 | 1,782,500 |
| 2018-06-25 | 41.160 | 42.420 | 41.070 | 42.260 | 32.630 | 2,735,600 |
| 2018-06-22 | 41.280 | 41.280 | 40.870 | 41.090 | 31.727 | 1,447,700 |
| 2018-06-21 | 41.040 | 41.210 | 40.830 | 40.970 | 31.634 | 1,102,600 |
| 2018-06-20 | 41.130 | 41.260 | 40.780 | 41.050 | 31.696 | 1,298,800 |
| 2018-06-19 | 40.470 | 41.090 | 40.470 | 41.080 | 31.719 | 2,097,500 |
| 2018-06-18 | 39.930 | 40.350 | 39.860 | 40.330 | 31.140 | 1,386,200 |
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.