Alliant Energy Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2020-05-12 | 46.970 | 47.120 | 46.060 | 46.400 | 38.014 | 1,317,100 |
| 2020-05-11 | 47.840 | 47.840 | 46.450 | 47.080 | 38.572 | 1,238,300 |
| 2020-05-08 | 47.470 | 48.210 | 46.550 | 47.990 | 39.317 | 1,312,000 |
| 2020-05-07 | 46.880 | 47.410 | 46.120 | 46.240 | 37.883 | 1,403,400 |
| 2020-05-06 | 48.220 | 48.370 | 46.080 | 46.170 | 37.826 | 1,716,500 |
| 2020-05-05 | 47.610 | 48.430 | 47.500 | 48.020 | 39.342 | 976,700 |
| 2020-05-04 | 47.410 | 47.710 | 46.600 | 47.500 | 38.916 | 1,296,500 |
| 2020-05-01 | 48.180 | 48.360 | 46.810 | 47.250 | 38.711 | 1,391,500 |
| 2020-04-30 | 49.100 | 49.300 | 47.940 | 48.550 | 39.776 | 1,377,500 |
| 2020-04-29 | 50.780 | 50.930 | 49.030 | 49.410 | 40.480 | 2,091,900 |
| 2020-04-28 | 50.940 | 51.370 | 50.080 | 50.650 | 41.185 | 1,276,300 |
| 2020-04-27 | 50.250 | 50.740 | 50.000 | 50.340 | 40.933 | 1,512,700 |
| 2020-04-24 | 50.050 | 50.400 | 48.890 | 49.980 | 40.640 | 1,363,300 |
| 2020-04-23 | 51.090 | 51.160 | 49.630 | 50.090 | 40.730 | 1,087,700 |
| 2020-04-22 | 50.450 | 51.600 | 49.830 | 51.030 | 41.494 | 1,100,700 |
| 2020-04-21 | 48.970 | 49.830 | 48.410 | 49.700 | 40.413 | 1,047,100 |
| 2020-04-20 | 52.070 | 52.530 | 49.850 | 49.990 | 40.648 | 1,145,300 |
| 2020-04-17 | 52.230 | 53.180 | 51.610 | 52.870 | 42.990 | 704,000 |
| 2020-04-16 | 51.790 | 52.420 | 50.900 | 51.610 | 41.966 | 732,300 |
| 2020-04-15 | 52.820 | 53.300 | 51.220 | 51.500 | 41.876 | 1,003,200 |
| 2020-04-14 | 52.460 | 53.750 | 52.170 | 53.620 | 43.600 | 1,503,700 |
| 2020-04-13 | 52.570 | 52.980 | 50.670 | 51.280 | 41.697 | 725,400 |
| 2020-04-09 | 51.510 | 54.450 | 51.510 | 53.140 | 43.210 | 1,351,200 |
| 2020-04-08 | 48.120 | 51.660 | 47.790 | 51.230 | 41.657 | 1,969,700 |
| 2020-04-07 | 49.040 | 49.170 | 47.690 | 48.030 | 39.055 | 2,453,100 |
| 2020-04-06 | 46.470 | 48.680 | 46.100 | 47.830 | 38.892 | 1,321,600 |
| 2020-04-03 | 46.370 | 47.350 | 44.740 | 45.150 | 36.713 | 1,487,100 |
| 2020-04-02 | 44.030 | 47.290 | 43.610 | 46.920 | 38.152 | 1,662,100 |
| 2020-04-01 | 46.460 | 46.920 | 43.970 | 44.970 | 36.566 | 1,889,300 |
| 2020-03-31 | 49.670 | 50.490 | 48.010 | 48.290 | 39.266 | 2,878,200 |
| 2020-03-30 | 48.370 | 50.790 | 47.350 | 50.570 | 41.120 | 2,166,600 |
| 2020-03-27 | 46.370 | 49.330 | 45.670 | 47.750 | 38.827 | 1,759,900 |
| 2020-03-26 | 44.240 | 48.620 | 44.180 | 47.900 | 38.949 | 2,889,300 |
| 2020-03-25 | 43.070 | 45.890 | 40.510 | 44.180 | 35.924 | 3,493,100 |
| 2020-03-24 | 41.000 | 44.020 | 39.340 | 43.860 | 35.664 | 4,065,700 |
| 2020-03-23 | 40.280 | 40.720 | 37.660 | 39.990 | 32.517 | 2,853,900 |
| 2020-03-20 | 45.060 | 45.140 | 40.210 | 40.700 | 33.094 | 3,291,100 |
| 2020-03-19 | 49.040 | 49.400 | 44.510 | 45.030 | 36.615 | 2,256,800 |
| 2020-03-18 | 50.070 | 51.560 | 46.750 | 48.970 | 39.819 | 2,835,800 |
| 2020-03-17 | 48.600 | 53.940 | 48.510 | 52.370 | 42.584 | 4,083,100 |
| 2020-03-16 | 47.870 | 50.290 | 46.430 | 47.560 | 38.672 | 4,457,000 |
| 2020-03-13 | 49.920 | 51.100 | 47.550 | 50.900 | 41.388 | 2,375,900 |
| 2020-03-12 | 48.750 | 51.730 | 45.370 | 48.180 | 39.177 | 3,107,600 |
| 2020-03-11 | 52.810 | 53.800 | 50.910 | 51.590 | 41.949 | 3,122,800 |
| 2020-03-10 | 54.770 | 56.040 | 51.960 | 54.000 | 43.909 | 3,358,600 |
| 2020-03-09 | 54.620 | 56.410 | 53.190 | 54.160 | 44.039 | 3,383,800 |
| 2020-03-06 | 56.020 | 57.720 | 54.960 | 57.490 | 46.747 | 2,469,800 |
| 2020-03-05 | 57.020 | 58.020 | 56.580 | 57.390 | 46.666 | 1,618,100 |
| 2020-03-04 | 55.420 | 58.150 | 54.990 | 57.860 | 47.048 | 1,672,600 |
| 2020-03-03 | 55.290 | 56.540 | 54.560 | 54.770 | 44.535 | 2,248,700 |
| 2020-03-02 | 52.210 | 55.470 | 52.130 | 55.360 | 45.015 | 2,205,300 |
| 2020-02-28 | 54.000 | 54.000 | 51.250 | 52.120 | 42.380 | 3,409,300 |
| 2020-02-27 | 57.830 | 58.030 | 54.850 | 54.950 | 44.681 | 2,215,400 |
| 2020-02-26 | 58.060 | 58.760 | 57.800 | 57.830 | 47.023 | 2,267,800 |
| 2020-02-25 | 58.900 | 59.510 | 57.950 | 58.010 | 47.170 | 1,873,800 |
| 2020-02-24 | 59.360 | 59.800 | 58.730 | 58.840 | 47.845 | 1,655,600 |
| 2020-02-21 | 59.650 | 60.270 | 59.010 | 59.140 | 48.088 | 2,395,200 |
| 2020-02-20 | 59.370 | 59.670 | 59.110 | 59.570 | 48.438 | 1,315,500 |
| 2020-02-19 | 60.150 | 60.150 | 59.390 | 59.470 | 48.357 | 950,300 |
| 2020-02-18 | 59.950 | 60.280 | 59.740 | 60.170 | 48.926 | 959,400 |
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.