Alliant Energy Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2010-10-29 | 36.870 | 37.000 | 36.140 | 36.530 | 10.741 | 1,560,200 |
| 2010-10-28 | 36.490 | 36.860 | 36.350 | 36.680 | 10.785 | 1,239,800 |
| 2010-10-27 | 36.340 | 36.360 | 35.720 | 36.300 | 10.673 | 1,055,600 |
| 2010-10-26 | 36.660 | 36.970 | 36.470 | 36.650 | 10.660 | 776,200 |
| 2010-10-25 | 36.750 | 37.000 | 36.660 | 36.790 | 10.700 | 847,600 |
| 2010-10-22 | 36.520 | 36.670 | 36.340 | 36.620 | 10.651 | 551,600 |
| 2010-10-21 | 36.870 | 36.980 | 36.300 | 36.520 | 10.622 | 580,600 |
| 2010-10-20 | 36.490 | 36.990 | 36.390 | 36.720 | 10.680 | 676,200 |
| 2010-10-19 | 36.170 | 36.700 | 36.160 | 36.390 | 10.584 | 921,800 |
| 2010-10-18 | 36.140 | 36.510 | 36.060 | 36.480 | 10.610 | 885,200 |
| 2010-10-15 | 36.130 | 36.320 | 35.870 | 36.150 | 10.514 | 994,400 |
| 2010-10-14 | 35.950 | 36.170 | 35.840 | 35.920 | 10.447 | 834,800 |
| 2010-10-13 | 35.970 | 36.010 | 35.750 | 35.900 | 10.442 | 1,280,600 |
| 2010-10-12 | 36.200 | 36.200 | 35.660 | 35.800 | 10.412 | 1,668,000 |
| 2010-10-11 | 36.110 | 36.360 | 35.950 | 36.220 | 10.535 | 1,165,000 |
| 2010-10-08 | 36.210 | 36.250 | 35.930 | 36.140 | 10.511 | 839,800 |
| 2010-10-07 | 36.230 | 36.440 | 35.700 | 36.170 | 10.520 | 1,588,000 |
| 2010-10-06 | 36.530 | 36.670 | 35.920 | 36.200 | 10.529 | 1,170,200 |
| 2010-10-05 | 36.790 | 36.850 | 36.540 | 36.600 | 10.645 | 1,063,200 |
| 2010-10-04 | 36.660 | 36.950 | 36.180 | 36.490 | 10.613 | 988,800 |
| 2010-10-01 | 36.480 | 36.690 | 36.330 | 36.660 | 10.663 | 716,000 |
| 2010-09-30 | 36.420 | 36.740 | 36.290 | 36.350 | 10.572 | 1,247,400 |
| 2010-09-29 | 36.310 | 36.560 | 36.130 | 36.250 | 10.543 | 1,130,000 |
| 2010-09-28 | 36.250 | 36.400 | 35.850 | 36.360 | 10.575 | 875,800 |
| 2010-09-27 | 36.070 | 36.440 | 35.770 | 36.220 | 10.535 | 757,400 |
| 2010-09-24 | 36.030 | 36.220 | 35.910 | 36.070 | 10.491 | 829,600 |
| 2010-09-23 | 35.790 | 35.910 | 35.520 | 35.560 | 10.343 | 738,400 |
| 2010-09-22 | 35.780 | 36.190 | 35.780 | 35.950 | 10.456 | 592,000 |
| 2010-09-21 | 36.020 | 36.240 | 35.670 | 35.780 | 10.407 | 1,543,000 |
| 2010-09-20 | 35.950 | 36.160 | 35.770 | 36.050 | 10.485 | 1,007,600 |
| 2010-09-17 | 36.130 | 36.320 | 35.910 | 35.910 | 10.444 | 1,824,800 |
| 2010-09-16 | 36.160 | 36.270 | 35.960 | 36.010 | 10.474 | 1,279,200 |
| 2010-09-15 | 36.210 | 36.410 | 36.100 | 36.230 | 10.538 | 680,800 |
| 2010-09-14 | 36.250 | 36.600 | 36.180 | 36.380 | 10.581 | 916,400 |
| 2010-09-13 | 36.290 | 36.440 | 35.990 | 36.360 | 10.575 | 1,555,600 |
| 2010-09-10 | 36.120 | 36.190 | 35.740 | 35.890 | 10.439 | 800,400 |
| 2010-09-09 | 36.190 | 36.370 | 35.900 | 36.130 | 10.508 | 1,151,400 |
| 2010-09-08 | 35.800 | 36.330 | 35.750 | 35.880 | 10.436 | 2,562,200 |
| 2010-09-07 | 35.960 | 36.100 | 35.700 | 35.750 | 10.398 | 1,202,000 |
| 2010-09-03 | 35.950 | 36.010 | 35.590 | 35.840 | 10.424 | 713,000 |
| 2010-09-02 | 35.940 | 35.960 | 35.340 | 35.630 | 10.363 | 1,492,200 |
| 2010-09-01 | 35.350 | 35.950 | 35.350 | 35.930 | 10.450 | 1,120,200 |
| 2010-08-31 | 34.720 | 35.220 | 34.600 | 35.020 | 10.186 | 1,971,200 |
| 2010-08-30 | 35.400 | 35.510 | 34.850 | 34.850 | 10.136 | 956,200 |
| 2010-08-27 | 35.130 | 35.490 | 34.720 | 35.440 | 10.308 | 992,600 |
| 2010-08-26 | 34.980 | 35.080 | 34.760 | 34.930 | 10.159 | 1,419,400 |
| 2010-08-25 | 34.900 | 34.950 | 34.400 | 34.810 | 10.125 | 1,542,800 |
| 2010-08-24 | 35.030 | 35.290 | 34.610 | 35.080 | 10.203 | 1,929,800 |
| 2010-08-23 | 35.650 | 35.820 | 35.110 | 35.360 | 10.284 | 1,869,600 |
| 2010-08-20 | 35.470 | 35.640 | 35.410 | 35.580 | 10.348 | 1,620,200 |
| 2010-08-19 | 35.720 | 35.830 | 35.480 | 35.660 | 10.372 | 2,213,800 |
| 2010-08-18 | 35.960 | 36.080 | 35.570 | 35.960 | 10.459 | 1,072,400 |
| 2010-08-17 | 35.590 | 36.300 | 35.510 | 36.090 | 10.497 | 1,542,200 |
| 2010-08-16 | 35.330 | 35.490 | 34.970 | 35.470 | 10.316 | 1,064,000 |
| 2010-08-13 | 34.700 | 35.540 | 34.650 | 35.400 | 10.296 | 1,994,400 |
| 2010-08-12 | 34.570 | 34.950 | 34.170 | 34.760 | 10.110 | 1,072,400 |
| 2010-08-11 | 35.030 | 35.090 | 34.740 | 34.810 | 10.125 | 1,006,600 |
| 2010-08-10 | 35.160 | 35.740 | 35.160 | 35.610 | 10.357 | 1,711,800 |
| 2010-08-09 | 35.500 | 35.830 | 35.410 | 35.610 | 10.357 | 1,356,800 |
| 2010-08-06 | 34.490 | 35.370 | 34.450 | 35.210 | 10.241 | 1,730,400 |
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.