Alliant Energy Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2015-10-30 | 58.870 | 59.180 | 58.530 | 59.020 | 21.014 | 1,678,400 |
| 2015-10-29 | 58.820 | 58.990 | 58.050 | 58.670 | 20.889 | 1,411,800 |
| 2015-10-28 | 60.060 | 60.230 | 58.440 | 59.300 | 21.114 | 1,037,400 |
| 2015-10-27 | 60.420 | 60.780 | 60.150 | 60.380 | 21.302 | 943,400 |
| 2015-10-26 | 60.440 | 60.650 | 59.910 | 60.590 | 21.376 | 842,600 |
| 2015-10-23 | 61.440 | 61.510 | 60.300 | 60.360 | 21.295 | 1,009,600 |
| 2015-10-22 | 60.920 | 61.670 | 60.810 | 61.540 | 21.712 | 835,800 |
| 2015-10-21 | 61.320 | 61.660 | 60.770 | 60.820 | 21.458 | 735,600 |
| 2015-10-20 | 60.820 | 61.480 | 60.680 | 61.200 | 21.592 | 911,400 |
| 2015-10-19 | 60.560 | 60.990 | 60.150 | 60.990 | 21.518 | 818,800 |
| 2015-10-16 | 60.640 | 61.020 | 60.410 | 60.720 | 21.422 | 1,033,200 |
| 2015-10-15 | 59.820 | 60.570 | 59.530 | 60.530 | 21.355 | 1,082,600 |
| 2015-10-14 | 59.550 | 60.030 | 59.450 | 59.530 | 21.002 | 1,248,000 |
| 2015-10-13 | 59.300 | 59.660 | 59.130 | 59.400 | 20.957 | 1,501,600 |
| 2015-10-12 | 58.880 | 59.670 | 58.810 | 59.370 | 20.946 | 818,600 |
| 2015-10-09 | 58.950 | 59.030 | 58.580 | 58.720 | 20.717 | 829,800 |
| 2015-10-08 | 58.100 | 59.080 | 58.020 | 58.940 | 20.794 | 743,400 |
| 2015-10-07 | 58.580 | 58.700 | 58.040 | 58.220 | 20.540 | 949,600 |
| 2015-10-06 | 58.820 | 58.990 | 58.270 | 58.470 | 20.628 | 1,164,200 |
| 2015-10-05 | 58.570 | 59.060 | 58.200 | 58.960 | 20.801 | 1,363,000 |
| 2015-10-02 | 57.970 | 58.370 | 57.270 | 58.370 | 20.593 | 1,800,600 |
| 2015-10-01 | 58.560 | 58.610 | 57.180 | 57.590 | 20.318 | 1,453,600 |
| 2015-09-30 | 58.060 | 58.610 | 57.860 | 58.490 | 20.636 | 1,696,200 |
| 2015-09-29 | 58.010 | 58.320 | 57.360 | 57.740 | 20.371 | 1,315,800 |
| 2015-09-28 | 57.790 | 58.200 | 57.600 | 58.040 | 20.477 | 1,263,400 |
| 2015-09-25 | 57.460 | 58.640 | 57.110 | 57.980 | 20.456 | 881,600 |
| 2015-09-24 | 56.650 | 57.470 | 56.510 | 57.360 | 20.237 | 1,085,800 |
| 2015-09-23 | 56.720 | 57.020 | 56.550 | 56.780 | 20.032 | 1,096,600 |
| 2015-09-22 | 56.750 | 57.200 | 56.560 | 56.700 | 20.004 | 774,200 |
| 2015-09-21 | 56.950 | 57.500 | 56.790 | 57.150 | 20.163 | 942,000 |
| 2015-09-18 | 56.490 | 57.420 | 56.380 | 56.750 | 20.022 | 1,775,600 |
| 2015-09-17 | 56.110 | 57.820 | 56.100 | 57.080 | 20.138 | 1,101,000 |
| 2015-09-16 | 55.590 | 56.340 | 55.410 | 56.210 | 19.831 | 1,002,800 |
| 2015-09-15 | 55.390 | 55.710 | 54.930 | 55.600 | 19.616 | 712,000 |
| 2015-09-14 | 55.400 | 55.680 | 55.010 | 55.400 | 19.545 | 1,018,600 |
| 2015-09-11 | 54.650 | 55.260 | 54.500 | 55.250 | 19.492 | 985,800 |
| 2015-09-10 | 54.780 | 55.480 | 54.700 | 54.840 | 19.348 | 983,200 |
| 2015-09-09 | 55.740 | 55.920 | 54.930 | 55.010 | 19.408 | 1,209,800 |
| 2015-09-08 | 54.960 | 55.640 | 54.850 | 55.600 | 19.616 | 1,171,000 |
| 2015-09-04 | 54.910 | 55.040 | 54.270 | 54.550 | 19.245 | 1,190,600 |
| 2015-09-03 | 55.220 | 55.760 | 55.160 | 55.380 | 19.538 | 1,187,200 |
| 2015-09-02 | 55.700 | 55.910 | 54.660 | 55.130 | 19.450 | 1,632,400 |
| 2015-09-01 | 56.110 | 56.110 | 54.880 | 55.120 | 19.447 | 1,497,600 |
| 2015-08-31 | 57.570 | 57.570 | 56.230 | 56.670 | 19.993 | 1,442,800 |
| 2015-08-28 | 57.580 | 57.970 | 56.970 | 57.800 | 20.392 | 1,311,200 |
| 2015-08-27 | 56.850 | 57.760 | 56.650 | 57.730 | 20.367 | 1,901,200 |
| 2015-08-26 | 56.480 | 56.840 | 55.520 | 56.660 | 19.990 | 1,695,200 |
| 2015-08-25 | 58.770 | 58.790 | 55.980 | 56.100 | 19.792 | 2,494,200 |
| 2015-08-24 | 59.230 | 59.720 | 57.840 | 58.040 | 20.477 | 2,026,400 |
| 2015-08-21 | 61.540 | 61.860 | 60.720 | 60.730 | 21.426 | 1,571,200 |
| 2015-08-20 | 62.160 | 62.660 | 61.710 | 61.840 | 21.817 | 1,197,200 |
| 2015-08-19 | 62.090 | 62.810 | 61.890 | 62.490 | 22.047 | 1,517,000 |
| 2015-08-18 | 62.920 | 62.920 | 62.290 | 62.330 | 21.990 | 1,168,200 |
| 2015-08-17 | 61.980 | 62.940 | 61.730 | 62.920 | 22.198 | 1,944,200 |
| 2015-08-14 | 61.360 | 61.800 | 61.040 | 61.740 | 21.782 | 1,642,000 |
| 2015-08-13 | 61.120 | 61.780 | 60.700 | 61.520 | 21.705 | 1,617,600 |
| 2015-08-12 | 60.560 | 61.460 | 60.440 | 61.320 | 21.634 | 1,591,400 |
| 2015-08-11 | 60.770 | 61.390 | 60.390 | 60.650 | 21.398 | 1,301,600 |
| 2015-08-10 | 60.800 | 61.170 | 60.450 | 60.630 | 21.391 | 1,271,600 |
| 2015-08-07 | 60.590 | 61.210 | 60.080 | 60.720 | 21.422 | 2,373,600 |
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.