Alliant Energy Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2020-08-06 | 52.760 | 53.450 | 52.350 | 53.340 | 44.010 | 1,278,300 |
| 2020-08-05 | 54.120 | 54.170 | 52.750 | 52.870 | 43.622 | 1,709,900 |
| 2020-08-04 | 53.540 | 54.130 | 53.410 | 53.800 | 44.389 | 1,176,000 |
| 2020-08-03 | 53.730 | 53.840 | 52.830 | 53.510 | 44.150 | 785,900 |
| 2020-07-31 | 53.630 | 53.900 | 53.010 | 53.850 | 44.431 | 1,198,200 |
| 2020-07-30 | 53.220 | 53.950 | 52.630 | 53.770 | 44.365 | 1,030,900 |
| 2020-07-29 | 53.790 | 54.110 | 53.500 | 54.010 | 44.249 | 640,600 |
| 2020-07-28 | 52.790 | 53.940 | 52.580 | 53.620 | 43.930 | 1,108,600 |
| 2020-07-27 | 53.010 | 53.130 | 52.360 | 52.870 | 43.315 | 1,234,600 |
| 2020-07-24 | 53.450 | 54.000 | 52.810 | 53.120 | 43.520 | 1,418,400 |
| 2020-07-23 | 52.700 | 53.440 | 52.670 | 53.250 | 43.626 | 1,600,200 |
| 2020-07-22 | 50.350 | 52.610 | 50.270 | 52.550 | 43.053 | 1,449,400 |
| 2020-07-21 | 50.390 | 51.430 | 50.260 | 50.730 | 41.562 | 1,159,100 |
| 2020-07-20 | 50.550 | 50.900 | 50.250 | 50.450 | 41.332 | 801,600 |
| 2020-07-17 | 50.000 | 50.830 | 49.870 | 50.770 | 41.595 | 1,328,200 |
| 2020-07-16 | 49.310 | 49.940 | 49.250 | 49.730 | 40.743 | 870,600 |
| 2020-07-15 | 50.040 | 50.540 | 49.340 | 49.370 | 40.448 | 1,283,800 |
| 2020-07-14 | 49.290 | 49.660 | 48.890 | 49.490 | 40.546 | 1,860,800 |
| 2020-07-13 | 48.930 | 49.340 | 48.660 | 48.950 | 40.104 | 2,216,300 |
| 2020-07-10 | 48.300 | 49.300 | 48.300 | 49.040 | 40.177 | 895,100 |
| 2020-07-09 | 48.370 | 48.480 | 47.520 | 48.250 | 39.530 | 1,346,600 |
| 2020-07-08 | 48.420 | 48.730 | 48.050 | 48.510 | 39.743 | 1,344,000 |
| 2020-07-07 | 48.580 | 48.730 | 48.110 | 48.470 | 39.710 | 1,706,100 |
| 2020-07-06 | 49.750 | 50.190 | 48.760 | 49.000 | 40.145 | 1,532,100 |
| 2020-07-02 | 49.320 | 49.640 | 49.090 | 49.420 | 40.489 | 1,148,100 |
| 2020-07-01 | 47.770 | 48.960 | 47.680 | 48.760 | 39.948 | 959,700 |
| 2020-06-30 | 47.410 | 48.140 | 47.290 | 47.840 | 39.194 | 1,489,000 |
| 2020-06-29 | 47.610 | 47.640 | 46.720 | 47.400 | 38.834 | 1,321,000 |
| 2020-06-26 | 46.830 | 47.560 | 46.400 | 47.050 | 38.547 | 3,342,600 |
| 2020-06-25 | 47.060 | 47.180 | 46.150 | 46.770 | 38.318 | 1,753,400 |
| 2020-06-24 | 47.400 | 47.610 | 46.570 | 47.120 | 38.604 | 2,309,500 |
| 2020-06-23 | 48.960 | 49.670 | 47.670 | 47.890 | 39.235 | 1,056,700 |
| 2020-06-22 | 47.990 | 48.710 | 47.510 | 48.490 | 39.727 | 1,270,400 |
| 2020-06-19 | 49.770 | 49.770 | 47.860 | 47.990 | 39.317 | 4,699,200 |
| 2020-06-18 | 48.630 | 49.100 | 48.410 | 49.030 | 40.169 | 881,000 |
| 2020-06-17 | 49.280 | 49.420 | 48.270 | 48.910 | 40.071 | 1,170,100 |
| 2020-06-16 | 49.770 | 50.340 | 48.710 | 49.000 | 40.145 | 1,396,200 |
| 2020-06-15 | 47.480 | 49.360 | 47.220 | 48.920 | 40.079 | 1,062,300 |
| 2020-06-12 | 49.600 | 49.600 | 48.100 | 48.550 | 39.776 | 1,614,700 |
| 2020-06-11 | 49.970 | 50.380 | 48.230 | 48.690 | 39.891 | 1,609,600 |
| 2020-06-10 | 50.540 | 51.190 | 50.400 | 50.720 | 41.554 | 1,113,800 |
| 2020-06-09 | 51.750 | 52.260 | 50.420 | 50.770 | 41.595 | 1,083,900 |
| 2020-06-08 | 50.570 | 52.470 | 50.050 | 52.320 | 42.865 | 1,378,500 |
| 2020-06-05 | 50.650 | 51.690 | 50.350 | 50.640 | 41.488 | 1,103,100 |
| 2020-06-04 | 50.610 | 51.010 | 49.630 | 50.100 | 41.046 | 1,666,400 |
| 2020-06-03 | 50.620 | 51.430 | 50.270 | 51.040 | 41.816 | 1,361,900 |
| 2020-06-02 | 49.550 | 50.200 | 49.210 | 50.160 | 41.095 | 1,553,100 |
| 2020-06-01 | 49.320 | 49.690 | 48.770 | 49.460 | 40.521 | 989,300 |
| 2020-05-29 | 48.480 | 49.720 | 48.400 | 49.360 | 40.439 | 1,858,800 |
| 2020-05-28 | 47.910 | 49.040 | 47.540 | 48.860 | 40.030 | 1,276,200 |
| 2020-05-27 | 47.740 | 47.890 | 46.760 | 47.330 | 38.776 | 1,430,900 |
| 2020-05-26 | 47.140 | 47.700 | 46.740 | 46.910 | 38.432 | 1,071,800 |
| 2020-05-22 | 46.100 | 46.410 | 45.960 | 46.380 | 37.998 | 875,000 |
| 2020-05-21 | 46.410 | 46.890 | 45.990 | 46.030 | 37.711 | 983,700 |
| 2020-05-20 | 46.630 | 47.420 | 46.380 | 46.660 | 38.227 | 882,000 |
| 2020-05-19 | 47.350 | 47.650 | 46.310 | 46.320 | 37.949 | 1,075,100 |
| 2020-05-18 | 47.260 | 48.080 | 47.020 | 47.740 | 39.112 | 1,170,400 |
| 2020-05-15 | 45.720 | 46.060 | 44.740 | 45.950 | 37.646 | 3,747,400 |
| 2020-05-14 | 45.160 | 46.210 | 44.360 | 45.940 | 37.638 | 1,510,800 |
| 2020-05-13 | 45.950 | 46.250 | 45.390 | 45.860 | 37.572 | 1,966,100 |
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.