Alliant Energy Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2012-09-25 | 43.840 | 44.020 | 43.630 | 43.660 | 13.815 | 1,058,400 |
| 2012-09-24 | 43.280 | 43.800 | 43.280 | 43.770 | 13.850 | 993,000 |
| 2012-09-21 | 43.620 | 43.670 | 43.140 | 43.170 | 13.660 | 1,786,400 |
| 2012-09-20 | 43.680 | 43.750 | 43.560 | 43.580 | 13.790 | 706,200 |
| 2012-09-19 | 43.870 | 43.970 | 43.620 | 43.700 | 13.828 | 642,000 |
| 2012-09-18 | 43.810 | 43.840 | 43.570 | 43.690 | 13.824 | 866,400 |
| 2012-09-17 | 44.170 | 44.320 | 43.770 | 43.790 | 13.856 | 1,481,000 |
| 2012-09-14 | 44.570 | 44.650 | 44.190 | 44.190 | 13.983 | 690,800 |
| 2012-09-13 | 44.240 | 44.680 | 44.160 | 44.640 | 14.125 | 544,600 |
| 2012-09-12 | 44.600 | 44.680 | 44.150 | 44.260 | 14.005 | 462,000 |
| 2012-09-11 | 44.820 | 44.900 | 44.570 | 44.640 | 14.125 | 626,000 |
| 2012-09-10 | 44.860 | 44.870 | 44.600 | 44.760 | 14.163 | 632,200 |
| 2012-09-07 | 45.320 | 45.380 | 44.780 | 44.800 | 14.176 | 598,800 |
| 2012-09-06 | 44.620 | 45.330 | 44.520 | 45.330 | 14.343 | 1,276,200 |
| 2012-09-05 | 44.270 | 44.550 | 44.270 | 44.350 | 14.033 | 1,225,600 |
| 2012-09-04 | 44.030 | 44.450 | 44.020 | 44.410 | 14.052 | 1,341,600 |
| 2012-08-31 | 44.510 | 44.520 | 44.080 | 44.080 | 13.948 | 1,301,600 |
| 2012-08-30 | 44.190 | 44.310 | 44.080 | 44.250 | 14.002 | 596,200 |
| 2012-08-29 | 44.570 | 44.680 | 44.350 | 44.410 | 14.052 | 580,200 |
| 2012-08-28 | 44.730 | 44.800 | 44.430 | 44.510 | 14.084 | 634,600 |
| 2012-08-27 | 44.710 | 44.850 | 44.640 | 44.680 | 14.138 | 693,400 |
| 2012-08-24 | 44.590 | 44.730 | 44.470 | 44.630 | 14.122 | 675,600 |
| 2012-08-23 | 45.380 | 45.380 | 44.520 | 44.620 | 14.119 | 870,800 |
| 2012-08-22 | 45.580 | 45.660 | 45.190 | 45.340 | 14.347 | 537,600 |
| 2012-08-21 | 45.770 | 45.890 | 45.460 | 45.600 | 14.429 | 905,400 |
| 2012-08-20 | 45.850 | 45.930 | 45.640 | 45.770 | 14.483 | 524,200 |
| 2012-08-17 | 46.030 | 46.260 | 45.910 | 45.990 | 14.552 | 430,200 |
| 2012-08-16 | 46.250 | 46.430 | 45.950 | 46.050 | 14.571 | 644,200 |
| 2012-08-15 | 46.200 | 46.450 | 46.040 | 46.270 | 14.641 | 1,167,800 |
| 2012-08-14 | 46.030 | 46.350 | 45.990 | 46.180 | 14.612 | 1,153,200 |
| 2012-08-13 | 45.970 | 46.100 | 45.800 | 45.930 | 14.533 | 939,600 |
| 2012-08-10 | 46.030 | 46.180 | 45.860 | 46.070 | 14.578 | 574,600 |
| 2012-08-09 | 46.260 | 46.430 | 45.900 | 45.950 | 14.540 | 657,800 |
| 2012-08-08 | 46.240 | 46.400 | 46.090 | 46.180 | 14.612 | 949,800 |
| 2012-08-07 | 46.940 | 47.140 | 46.240 | 46.250 | 14.635 | 1,239,200 |
| 2012-08-06 | 47.150 | 47.420 | 46.660 | 46.780 | 14.802 | 583,400 |
| 2012-08-03 | 47.500 | 47.500 | 46.240 | 46.950 | 14.856 | 1,475,600 |
| 2012-08-02 | 46.330 | 46.580 | 45.940 | 46.560 | 14.733 | 1,171,200 |
| 2012-08-01 | 46.830 | 47.250 | 46.270 | 46.460 | 14.701 | 1,233,000 |
| 2012-07-31 | 47.130 | 47.390 | 46.670 | 46.710 | 14.780 | 988,600 |
| 2012-07-30 | 46.830 | 47.440 | 46.830 | 47.250 | 14.951 | 657,000 |
| 2012-07-27 | 46.820 | 47.280 | 46.700 | 46.940 | 14.853 | 958,600 |
| 2012-07-26 | 46.690 | 47.070 | 46.650 | 46.980 | 14.723 | 667,600 |
| 2012-07-25 | 46.470 | 46.470 | 45.870 | 46.190 | 14.476 | 851,200 |
| 2012-07-24 | 46.950 | 46.960 | 45.980 | 46.440 | 14.554 | 1,029,000 |
| 2012-07-23 | 47.300 | 47.300 | 46.850 | 46.950 | 14.714 | 550,400 |
| 2012-07-20 | 47.090 | 47.650 | 47.070 | 47.500 | 14.886 | 741,800 |
| 2012-07-19 | 47.270 | 47.500 | 46.930 | 47.230 | 14.801 | 744,200 |
| 2012-07-18 | 46.850 | 47.320 | 46.730 | 47.260 | 14.811 | 949,400 |
| 2012-07-17 | 46.710 | 46.990 | 46.500 | 46.860 | 14.686 | 1,001,000 |
| 2012-07-16 | 46.580 | 46.700 | 46.360 | 46.610 | 14.607 | 657,400 |
| 2012-07-13 | 46.430 | 46.700 | 45.900 | 46.650 | 14.620 | 986,000 |
| 2012-07-12 | 45.460 | 45.870 | 45.340 | 45.750 | 14.338 | 571,000 |
| 2012-07-11 | 45.410 | 45.680 | 45.320 | 45.670 | 14.313 | 670,600 |
| 2012-07-10 | 45.620 | 45.680 | 45.230 | 45.400 | 14.228 | 631,600 |
| 2012-07-09 | 45.550 | 45.610 | 45.180 | 45.450 | 14.244 | 532,800 |
| 2012-07-06 | 45.440 | 45.620 | 45.180 | 45.560 | 14.278 | 757,600 |
| 2012-07-05 | 45.780 | 45.900 | 45.650 | 45.660 | 14.309 | 563,200 |
| 2012-07-03 | 46.140 | 46.270 | 45.840 | 45.930 | 14.394 | 637,400 |
| 2012-07-02 | 45.370 | 46.260 | 45.370 | 46.250 | 14.494 | 846,800 |
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.