Alliant Energy Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2018-12-06 | 46.310 | 46.390 | 45.150 | 45.720 | 35.854 | 2,235,700 |
| 2018-12-04 | 46.100 | 46.580 | 45.940 | 46.170 | 36.207 | 1,346,500 |
| 2018-12-03 | 45.370 | 45.930 | 44.740 | 45.900 | 35.996 | 1,217,300 |
| 2018-11-30 | 44.830 | 45.410 | 44.650 | 45.390 | 35.596 | 1,889,300 |
| 2018-11-29 | 44.770 | 44.770 | 44.120 | 44.670 | 35.031 | 1,204,800 |
| 2018-11-28 | 44.800 | 45.050 | 44.590 | 44.770 | 35.109 | 1,576,400 |
| 2018-11-27 | 44.320 | 44.820 | 44.110 | 44.790 | 35.125 | 1,408,900 |
| 2018-11-26 | 43.970 | 44.320 | 43.780 | 44.290 | 34.733 | 1,388,300 |
| 2018-11-23 | 44.140 | 44.140 | 43.840 | 43.980 | 34.490 | 636,800 |
| 2018-11-21 | 44.660 | 44.860 | 43.960 | 44.070 | 34.560 | 1,964,300 |
| 2018-11-20 | 45.610 | 46.050 | 45.080 | 45.260 | 35.494 | 1,250,900 |
| 2018-11-19 | 45.220 | 45.640 | 45.030 | 45.380 | 35.588 | 1,535,000 |
| 2018-11-16 | 45.580 | 45.690 | 44.930 | 45.250 | 35.486 | 1,219,800 |
| 2018-11-15 | 44.400 | 45.230 | 44.120 | 45.120 | 35.384 | 1,791,400 |
| 2018-11-14 | 44.900 | 45.060 | 44.510 | 44.660 | 35.023 | 1,821,600 |
| 2018-11-13 | 45.260 | 45.360 | 44.770 | 45.120 | 35.384 | 2,698,200 |
| 2018-11-12 | 44.440 | 45.730 | 44.300 | 45.190 | 35.439 | 2,003,700 |
| 2018-11-09 | 43.870 | 44.740 | 43.820 | 44.610 | 34.984 | 1,448,400 |
| 2018-11-08 | 43.910 | 44.000 | 43.300 | 43.830 | 34.372 | 1,307,700 |
| 2018-11-07 | 44.180 | 44.280 | 43.320 | 43.830 | 34.372 | 2,145,000 |
| 2018-11-06 | 43.010 | 43.420 | 42.960 | 43.360 | 34.004 | 1,331,000 |
| 2018-11-05 | 42.600 | 43.160 | 42.590 | 42.950 | 33.682 | 1,658,600 |
| 2018-11-02 | 43.030 | 43.130 | 42.220 | 42.470 | 33.306 | 1,850,100 |
| 2018-11-01 | 42.980 | 43.070 | 42.630 | 42.860 | 33.611 | 1,814,300 |
| 2018-10-31 | 43.140 | 43.370 | 42.550 | 42.980 | 33.706 | 2,176,200 |
| 2018-10-30 | 43.530 | 43.680 | 42.920 | 43.510 | 34.121 | 1,974,900 |
| 2018-10-29 | 42.920 | 43.750 | 42.920 | 43.630 | 33.953 | 1,657,500 |
| 2018-10-26 | 43.700 | 43.850 | 42.520 | 42.860 | 33.353 | 2,130,300 |
| 2018-10-25 | 44.000 | 44.000 | 43.190 | 43.520 | 33.867 | 1,873,200 |
| 2018-10-24 | 43.760 | 44.570 | 43.440 | 44.340 | 34.505 | 1,660,800 |
| 2018-10-23 | 43.940 | 44.160 | 43.340 | 43.600 | 33.929 | 1,618,300 |
| 2018-10-22 | 43.980 | 44.170 | 43.480 | 43.670 | 33.984 | 1,103,000 |
| 2018-10-19 | 43.380 | 44.230 | 43.350 | 44.050 | 34.279 | 1,550,600 |
| 2018-10-18 | 43.310 | 43.550 | 43.080 | 43.320 | 33.711 | 1,193,600 |
| 2018-10-17 | 43.050 | 43.300 | 42.820 | 43.230 | 33.641 | 1,232,600 |
| 2018-10-16 | 42.570 | 43.320 | 42.290 | 43.080 | 33.525 | 1,279,200 |
| 2018-10-15 | 42.470 | 42.870 | 42.350 | 42.560 | 33.120 | 1,727,800 |
| 2018-10-12 | 42.530 | 42.670 | 42.010 | 42.460 | 33.042 | 1,586,000 |
| 2018-10-11 | 44.120 | 44.120 | 42.550 | 42.620 | 33.167 | 2,502,800 |
| 2018-10-10 | 43.980 | 44.700 | 43.910 | 43.910 | 34.171 | 1,863,100 |
| 2018-10-09 | 44.180 | 44.540 | 43.900 | 44.100 | 34.318 | 1,674,600 |
| 2018-10-08 | 43.710 | 44.440 | 43.650 | 44.110 | 34.326 | 1,433,000 |
| 2018-10-05 | 42.770 | 43.740 | 42.770 | 43.610 | 33.937 | 1,284,000 |
| 2018-10-04 | 42.430 | 42.920 | 42.030 | 42.770 | 33.283 | 1,158,200 |
| 2018-10-03 | 43.100 | 43.300 | 42.140 | 42.560 | 33.120 | 1,530,100 |
| 2018-10-02 | 42.530 | 43.290 | 42.420 | 43.120 | 33.556 | 1,620,500 |
| 2018-10-01 | 42.430 | 42.550 | 42.160 | 42.410 | 33.003 | 1,760,900 |
| 2018-09-28 | 42.270 | 42.590 | 42.150 | 42.570 | 33.128 | 2,945,100 |
| 2018-09-27 | 41.880 | 42.450 | 41.730 | 42.060 | 32.731 | 2,055,000 |
| 2018-09-26 | 42.380 | 42.570 | 41.760 | 41.780 | 32.513 | 1,280,700 |
| 2018-09-25 | 42.880 | 42.890 | 42.190 | 42.240 | 32.871 | 837,300 |
| 2018-09-24 | 43.180 | 43.310 | 42.920 | 42.920 | 33.400 | 1,303,200 |
| 2018-09-21 | 43.100 | 43.470 | 42.780 | 43.230 | 33.641 | 2,963,900 |
| 2018-09-20 | 42.780 | 43.120 | 42.470 | 43.120 | 33.556 | 931,300 |
| 2018-09-19 | 43.900 | 43.920 | 42.620 | 42.840 | 33.338 | 1,370,100 |
| 2018-09-18 | 44.160 | 44.180 | 43.630 | 43.840 | 34.116 | 1,178,600 |
| 2018-09-17 | 43.960 | 44.070 | 43.690 | 43.990 | 34.233 | 862,900 |
| 2018-09-14 | 43.680 | 43.870 | 43.230 | 43.830 | 34.108 | 1,172,400 |
| 2018-09-13 | 43.660 | 43.900 | 43.360 | 43.900 | 34.163 | 807,500 |
| 2018-09-12 | 43.550 | 43.890 | 43.460 | 43.590 | 33.921 | 779,300 |
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.