Alliant Energy Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2021-07-20 | 58.160 | 59.230 | 58.090 | 58.310 | 49.202 | 1,165,800 |
| 2021-07-19 | 58.500 | 58.790 | 57.360 | 58.050 | 48.982 | 1,473,800 |
| 2021-07-16 | 57.810 | 58.890 | 57.780 | 58.550 | 49.404 | 1,078,400 |
| 2021-07-15 | 56.990 | 57.850 | 56.930 | 57.810 | 48.780 | 969,700 |
| 2021-07-14 | 56.680 | 57.400 | 56.330 | 57.230 | 48.290 | 771,400 |
| 2021-07-13 | 56.890 | 56.990 | 56.280 | 56.530 | 47.700 | 835,000 |
| 2021-07-12 | 56.640 | 57.090 | 56.300 | 56.940 | 48.046 | 927,900 |
| 2021-07-09 | 56.710 | 56.980 | 55.840 | 56.760 | 47.894 | 2,105,200 |
| 2021-07-08 | 56.550 | 57.140 | 56.490 | 56.840 | 47.961 | 766,100 |
| 2021-07-07 | 56.490 | 56.890 | 56.050 | 56.830 | 47.953 | 812,300 |
| 2021-07-06 | 55.830 | 56.440 | 55.170 | 56.390 | 47.581 | 1,279,800 |
| 2021-07-02 | 56.210 | 56.470 | 56.010 | 56.420 | 47.607 | 917,500 |
| 2021-07-01 | 56.120 | 56.590 | 55.590 | 56.270 | 47.480 | 1,116,900 |
| 2021-06-30 | 55.760 | 55.950 | 55.330 | 55.760 | 47.050 | 958,400 |
| 2021-06-29 | 56.980 | 57.330 | 55.570 | 55.740 | 47.033 | 1,295,700 |
| 2021-06-28 | 57.260 | 57.560 | 56.930 | 57.110 | 48.189 | 722,500 |
| 2021-06-25 | 56.290 | 57.150 | 56.280 | 57.130 | 48.206 | 823,500 |
| 2021-06-24 | 56.830 | 56.830 | 56.250 | 56.420 | 47.607 | 1,008,500 |
| 2021-06-23 | 57.300 | 57.450 | 56.380 | 56.750 | 47.885 | 1,597,400 |
| 2021-06-22 | 57.310 | 57.740 | 57.180 | 57.230 | 48.290 | 1,146,100 |
| 2021-06-21 | 56.370 | 57.470 | 56.140 | 57.330 | 48.375 | 1,402,600 |
| 2021-06-18 | 58.110 | 58.190 | 56.180 | 56.330 | 47.531 | 2,171,500 |
| 2021-06-17 | 57.470 | 58.250 | 57.290 | 58.120 | 49.041 | 1,143,200 |
| 2021-06-16 | 58.600 | 58.960 | 57.540 | 57.570 | 48.577 | 1,293,900 |
| 2021-06-15 | 58.490 | 59.100 | 58.240 | 58.750 | 49.573 | 753,000 |
| 2021-06-14 | 58.510 | 58.640 | 58.150 | 58.570 | 49.421 | 1,071,700 |
| 2021-06-11 | 58.520 | 58.640 | 58.260 | 58.580 | 49.429 | 845,200 |
| 2021-06-10 | 58.440 | 58.660 | 58.200 | 58.540 | 49.396 | 818,200 |
| 2021-06-09 | 57.830 | 58.380 | 57.630 | 58.300 | 49.193 | 964,000 |
| 2021-06-08 | 58.140 | 58.320 | 57.120 | 57.590 | 48.594 | 1,915,600 |
| 2021-06-07 | 58.230 | 58.380 | 57.910 | 58.100 | 49.024 | 1,046,000 |
| 2021-06-04 | 58.290 | 58.430 | 57.880 | 58.110 | 49.033 | 754,700 |
| 2021-06-03 | 57.280 | 58.380 | 57.280 | 58.130 | 49.050 | 1,450,000 |
| 2021-06-02 | 57.040 | 57.830 | 56.760 | 57.600 | 48.602 | 1,048,100 |
| 2021-06-01 | 57.270 | 57.650 | 56.780 | 56.990 | 48.088 | 1,072,800 |
| 2021-05-28 | 57.050 | 57.450 | 56.900 | 57.150 | 48.223 | 1,506,000 |
| 2021-05-27 | 57.610 | 57.810 | 56.750 | 56.750 | 47.885 | 7,705,900 |
| 2021-05-26 | 57.580 | 57.920 | 57.350 | 57.510 | 48.526 | 1,746,500 |
| 2021-05-25 | 58.030 | 58.100 | 57.430 | 57.600 | 48.602 | 1,501,900 |
| 2021-05-24 | 58.380 | 58.530 | 58.020 | 58.060 | 48.991 | 1,239,000 |
| 2021-05-21 | 57.490 | 58.250 | 57.490 | 58.110 | 49.033 | 1,866,300 |
| 2021-05-20 | 57.720 | 58.250 | 57.660 | 57.760 | 48.737 | 1,481,900 |
| 2021-05-19 | 57.570 | 57.780 | 57.060 | 57.700 | 48.687 | 1,823,700 |
| 2021-05-18 | 57.590 | 58.040 | 56.890 | 57.600 | 48.602 | 2,958,400 |
| 2021-05-17 | 57.090 | 57.250 | 56.370 | 56.480 | 47.657 | 1,339,600 |
| 2021-05-14 | 57.020 | 57.540 | 56.750 | 56.760 | 47.894 | 1,106,600 |
| 2021-05-13 | 55.690 | 57.170 | 55.470 | 56.880 | 47.995 | 978,800 |
| 2021-05-12 | 56.920 | 56.960 | 55.720 | 55.810 | 47.092 | 1,237,800 |
| 2021-05-11 | 57.980 | 58.190 | 56.390 | 56.970 | 48.071 | 1,577,900 |
| 2021-05-10 | 57.240 | 58.180 | 57.000 | 57.950 | 48.898 | 1,640,700 |
| 2021-05-07 | 56.190 | 57.000 | 56.140 | 56.740 | 47.877 | 1,722,400 |
| 2021-05-06 | 55.770 | 56.570 | 55.590 | 56.570 | 47.733 | 1,355,200 |
| 2021-05-05 | 56.680 | 56.680 | 54.880 | 55.610 | 46.923 | 1,264,800 |
| 2021-05-04 | 56.110 | 56.550 | 55.880 | 56.540 | 47.708 | 1,167,100 |
| 2021-05-03 | 56.080 | 56.730 | 55.950 | 56.170 | 47.396 | 1,673,400 |
| 2021-04-30 | 55.640 | 56.230 | 55.300 | 56.170 | 47.396 | 1,653,100 |
| 2021-04-29 | 55.200 | 55.610 | 55.130 | 55.380 | 46.729 | 2,016,500 |
| 2021-04-28 | 55.600 | 55.770 | 55.010 | 55.300 | 46.322 | 1,309,100 |
| 2021-04-27 | 56.060 | 56.100 | 55.420 | 55.520 | 46.506 | 985,300 |
| 2021-04-26 | 56.560 | 56.560 | 56.060 | 56.240 | 47.109 | 769,000 |
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.