Alliant Energy Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2021-10-13 | 55.000 | 55.490 | 54.460 | 55.460 | 47.116 | 1,125,200 |
| 2021-10-12 | 54.750 | 55.330 | 54.530 | 54.990 | 46.717 | 1,175,700 |
| 2021-10-11 | 55.960 | 56.040 | 54.530 | 54.660 | 46.437 | 1,479,500 |
| 2021-10-08 | 56.500 | 56.600 | 55.840 | 55.960 | 47.541 | 892,000 |
| 2021-10-07 | 57.170 | 57.720 | 56.520 | 56.660 | 48.136 | 980,200 |
| 2021-10-06 | 56.160 | 57.110 | 55.830 | 57.080 | 48.492 | 1,028,100 |
| 2021-10-05 | 57.150 | 57.150 | 56.210 | 56.410 | 47.923 | 1,309,900 |
| 2021-10-04 | 55.700 | 57.090 | 55.600 | 56.820 | 48.272 | 1,218,400 |
| 2021-10-01 | 56.410 | 56.410 | 55.510 | 55.780 | 47.388 | 1,128,700 |
| 2021-09-30 | 57.000 | 57.000 | 55.580 | 55.980 | 47.558 | 1,294,500 |
| 2021-09-29 | 55.820 | 56.950 | 55.740 | 56.750 | 48.212 | 1,180,700 |
| 2021-09-28 | 56.190 | 56.330 | 55.540 | 55.810 | 47.413 | 1,153,400 |
| 2021-09-27 | 57.070 | 57.670 | 56.140 | 56.200 | 47.745 | 1,179,900 |
| 2021-09-24 | 57.370 | 57.680 | 57.070 | 57.110 | 48.518 | 799,000 |
| 2021-09-23 | 57.480 | 57.980 | 57.190 | 57.250 | 48.637 | 630,900 |
| 2021-09-22 | 57.720 | 57.930 | 57.130 | 57.440 | 48.798 | 700,700 |
| 2021-09-21 | 58.110 | 58.450 | 57.460 | 57.520 | 48.866 | 669,400 |
| 2021-09-20 | 57.950 | 58.380 | 57.310 | 57.900 | 49.189 | 1,017,500 |
| 2021-09-17 | 58.550 | 58.970 | 57.630 | 57.830 | 49.130 | 2,231,000 |
| 2021-09-16 | 59.600 | 59.600 | 58.590 | 58.650 | 49.826 | 820,000 |
| 2021-09-15 | 59.020 | 59.730 | 58.910 | 59.270 | 50.353 | 893,700 |
| 2021-09-14 | 59.440 | 59.660 | 59.080 | 59.280 | 50.361 | 631,900 |
| 2021-09-13 | 60.260 | 60.420 | 59.250 | 59.430 | 50.489 | 825,000 |
| 2021-09-10 | 60.700 | 60.830 | 59.700 | 59.770 | 50.778 | 958,100 |
| 2021-09-09 | 60.920 | 61.180 | 60.600 | 60.700 | 51.568 | 1,059,100 |
| 2021-09-08 | 59.620 | 61.500 | 59.510 | 61.080 | 51.891 | 1,250,400 |
| 2021-09-07 | 60.960 | 61.020 | 59.700 | 59.750 | 50.761 | 1,220,000 |
| 2021-09-03 | 61.980 | 62.020 | 61.420 | 61.470 | 52.222 | 681,600 |
| 2021-09-02 | 61.810 | 62.160 | 61.670 | 62.050 | 52.715 | 847,900 |
| 2021-09-01 | 60.970 | 61.950 | 60.740 | 61.640 | 52.366 | 921,200 |
| 2021-08-31 | 60.920 | 61.350 | 60.500 | 60.790 | 51.644 | 954,400 |
| 2021-08-30 | 60.700 | 61.050 | 60.590 | 60.890 | 51.729 | 580,200 |
| 2021-08-27 | 60.780 | 61.140 | 60.480 | 60.840 | 51.687 | 671,200 |
| 2021-08-26 | 60.610 | 60.740 | 60.220 | 60.590 | 51.474 | 853,200 |
| 2021-08-25 | 60.560 | 60.830 | 60.220 | 60.560 | 51.449 | 936,300 |
| 2021-08-24 | 60.900 | 61.020 | 60.150 | 60.660 | 51.534 | 1,000,300 |
| 2021-08-23 | 62.180 | 62.180 | 60.940 | 60.970 | 51.797 | 1,106,700 |
| 2021-08-20 | 61.460 | 62.350 | 61.130 | 62.180 | 52.825 | 1,180,900 |
| 2021-08-19 | 61.290 | 61.820 | 61.270 | 61.480 | 52.230 | 936,800 |
| 2021-08-18 | 61.720 | 61.840 | 61.100 | 61.420 | 52.179 | 924,900 |
| 2021-08-17 | 60.970 | 61.750 | 60.970 | 61.740 | 52.451 | 1,016,900 |
| 2021-08-16 | 61.350 | 61.820 | 60.940 | 61.640 | 52.366 | 1,090,000 |
| 2021-08-13 | 60.860 | 61.130 | 60.660 | 61.070 | 51.882 | 831,900 |
| 2021-08-12 | 60.800 | 61.060 | 60.590 | 60.660 | 51.534 | 856,100 |
| 2021-08-11 | 60.760 | 61.160 | 60.450 | 60.830 | 51.678 | 832,200 |
| 2021-08-10 | 60.670 | 60.750 | 60.390 | 60.510 | 51.406 | 711,400 |
| 2021-08-09 | 61.100 | 61.200 | 60.370 | 60.690 | 51.559 | 746,800 |
| 2021-08-06 | 59.710 | 61.220 | 59.290 | 60.800 | 51.653 | 1,185,600 |
| 2021-08-05 | 60.150 | 60.550 | 59.710 | 60.470 | 51.372 | 1,210,100 |
| 2021-08-04 | 59.750 | 60.000 | 59.030 | 59.930 | 50.914 | 1,132,700 |
| 2021-08-03 | 59.250 | 60.030 | 59.040 | 59.980 | 50.956 | 1,482,000 |
| 2021-08-02 | 58.560 | 59.190 | 58.420 | 59.150 | 50.251 | 928,400 |
| 2021-07-30 | 58.890 | 59.430 | 58.450 | 58.530 | 49.724 | 932,500 |
| 2021-07-29 | 59.090 | 59.250 | 58.600 | 58.900 | 50.039 | 731,200 |
| 2021-07-28 | 59.720 | 59.840 | 58.950 | 59.370 | 50.096 | 1,226,600 |
| 2021-07-27 | 58.560 | 59.910 | 58.400 | 59.730 | 50.400 | 1,028,600 |
| 2021-07-26 | 58.680 | 58.890 | 58.070 | 58.600 | 49.446 | 770,000 |
| 2021-07-23 | 57.610 | 58.650 | 57.610 | 58.610 | 49.455 | 762,200 |
| 2021-07-22 | 57.340 | 57.820 | 57.170 | 57.560 | 48.569 | 994,500 |
| 2021-07-21 | 58.090 | 58.530 | 57.380 | 57.420 | 48.451 | 992,100 |
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.