Alliant Energy Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2017-07-03 | 40.310 | 40.360 | 39.870 | 39.890 | 29.850 | 724,200 |
| 2017-06-30 | 40.570 | 40.660 | 40.160 | 40.170 | 30.060 | 1,514,200 |
| 2017-06-29 | 40.600 | 40.650 | 40.260 | 40.450 | 30.269 | 1,223,900 |
| 2017-06-28 | 41.260 | 41.330 | 40.850 | 40.870 | 30.584 | 1,592,500 |
| 2017-06-27 | 41.500 | 41.560 | 40.980 | 41.120 | 30.771 | 934,900 |
| 2017-06-26 | 41.470 | 41.930 | 41.310 | 41.690 | 31.197 | 730,700 |
| 2017-06-23 | 41.540 | 41.730 | 41.370 | 41.450 | 31.018 | 1,103,500 |
| 2017-06-22 | 41.730 | 41.810 | 41.570 | 41.590 | 31.123 | 850,800 |
| 2017-06-21 | 41.830 | 41.900 | 41.550 | 41.800 | 31.280 | 858,900 |
| 2017-06-20 | 41.890 | 41.970 | 41.740 | 41.840 | 31.310 | 858,300 |
| 2017-06-19 | 42.180 | 42.180 | 41.700 | 41.860 | 31.325 | 745,700 |
| 2017-06-16 | 41.770 | 42.190 | 41.670 | 42.180 | 31.564 | 1,965,500 |
| 2017-06-15 | 41.440 | 41.670 | 41.370 | 41.670 | 31.182 | 745,300 |
| 2017-06-14 | 41.660 | 41.840 | 41.410 | 41.570 | 31.108 | 942,600 |
| 2017-06-13 | 41.170 | 41.280 | 41.000 | 41.250 | 30.868 | 777,300 |
| 2017-06-12 | 41.260 | 41.530 | 41.170 | 41.170 | 30.808 | 971,900 |
| 2017-06-09 | 41.140 | 41.290 | 40.950 | 41.260 | 30.876 | 1,132,500 |
| 2017-06-08 | 41.610 | 41.610 | 40.960 | 41.250 | 30.868 | 1,198,800 |
| 2017-06-07 | 41.500 | 41.750 | 41.410 | 41.610 | 31.138 | 986,600 |
| 2017-06-06 | 41.760 | 41.760 | 41.440 | 41.460 | 31.025 | 941,000 |
| 2017-06-05 | 41.800 | 41.850 | 41.610 | 41.640 | 31.160 | 759,700 |
| 2017-06-02 | 41.870 | 41.910 | 41.540 | 41.830 | 31.302 | 1,151,800 |
| 2017-06-01 | 41.460 | 41.640 | 41.300 | 41.630 | 31.152 | 1,757,100 |
| 2017-05-31 | 41.510 | 41.710 | 41.430 | 41.470 | 31.033 | 2,186,000 |
| 2017-05-30 | 41.250 | 41.490 | 41.180 | 41.470 | 31.033 | 1,465,300 |
| 2017-05-26 | 41.520 | 41.640 | 41.230 | 41.360 | 30.950 | 958,200 |
| 2017-05-25 | 41.160 | 41.580 | 41.090 | 41.560 | 31.100 | 1,385,200 |
| 2017-05-24 | 41.000 | 41.270 | 40.990 | 41.120 | 30.771 | 1,741,300 |
| 2017-05-23 | 40.370 | 41.270 | 40.330 | 40.910 | 30.614 | 2,437,600 |
| 2017-05-22 | 39.630 | 40.460 | 39.630 | 40.380 | 30.217 | 1,616,000 |
| 2017-05-19 | 39.770 | 39.900 | 39.330 | 39.750 | 29.746 | 6,536,500 |
| 2017-05-18 | 39.640 | 40.000 | 39.370 | 39.820 | 29.798 | 1,724,600 |
| 2017-05-17 | 39.380 | 39.870 | 39.380 | 39.620 | 29.648 | 1,492,200 |
| 2017-05-16 | 39.700 | 39.800 | 39.380 | 39.380 | 29.469 | 1,307,400 |
| 2017-05-15 | 39.630 | 39.860 | 39.550 | 39.780 | 29.768 | 1,093,500 |
| 2017-05-12 | 39.540 | 39.700 | 39.420 | 39.610 | 29.641 | 1,724,200 |
| 2017-05-11 | 39.410 | 39.470 | 39.130 | 39.400 | 29.484 | 1,256,300 |
| 2017-05-10 | 39.580 | 39.720 | 39.310 | 39.520 | 29.574 | 1,366,700 |
| 2017-05-09 | 39.790 | 39.840 | 39.500 | 39.570 | 29.611 | 1,317,900 |
| 2017-05-08 | 40.100 | 40.140 | 39.590 | 39.790 | 29.776 | 1,272,500 |
| 2017-05-05 | 39.940 | 40.180 | 39.900 | 40.060 | 29.978 | 1,452,600 |
| 2017-05-04 | 39.530 | 40.000 | 39.130 | 39.870 | 29.835 | 2,181,300 |
| 2017-05-03 | 39.360 | 39.530 | 39.220 | 39.290 | 29.401 | 1,405,700 |
| 2017-05-02 | 39.210 | 39.470 | 39.200 | 39.420 | 29.499 | 1,547,500 |
| 2017-05-01 | 39.400 | 39.440 | 38.950 | 39.100 | 29.259 | 1,185,600 |
| 2017-04-28 | 39.590 | 39.740 | 39.210 | 39.320 | 29.424 | 1,910,900 |
| 2017-04-27 | 39.500 | 39.990 | 39.500 | 39.720 | 29.723 | 1,729,600 |
| 2017-04-26 | 39.650 | 39.670 | 39.370 | 39.480 | 29.544 | 1,943,800 |
| 2017-04-25 | 39.940 | 40.090 | 39.710 | 40.010 | 29.704 | 1,496,400 |
| 2017-04-24 | 40.030 | 40.120 | 39.550 | 40.070 | 29.749 | 1,351,600 |
| 2017-04-21 | 39.700 | 40.140 | 39.690 | 39.960 | 29.667 | 1,219,800 |
| 2017-04-20 | 39.810 | 39.810 | 39.340 | 39.720 | 29.489 | 1,248,000 |
| 2017-04-19 | 40.130 | 40.220 | 39.680 | 39.810 | 29.556 | 970,500 |
| 2017-04-18 | 39.850 | 40.220 | 39.840 | 40.150 | 29.808 | 1,276,900 |
| 2017-04-17 | 39.720 | 39.910 | 39.680 | 39.880 | 29.608 | 912,000 |
| 2017-04-13 | 39.870 | 39.900 | 39.440 | 39.620 | 29.415 | 1,173,300 |
| 2017-04-12 | 39.590 | 39.930 | 39.530 | 39.890 | 29.615 | 1,445,100 |
| 2017-04-11 | 39.690 | 39.790 | 39.360 | 39.700 | 29.474 | 850,900 |
| 2017-04-10 | 39.710 | 39.970 | 39.440 | 39.710 | 29.482 | 739,000 |
| 2017-04-07 | 40.010 | 40.070 | 39.650 | 39.700 | 29.474 | 1,063,400 |
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.