Alliant Energy Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-07-23 | 73.510 | 74.800 | 73.500 | 74.420 | 73.858 | 1,784,600 |
| 2026-07-22 | 73.880 | 74.340 | 73.410 | 74.020 | 73.461 | 2,126,600 |
| 2026-07-21 | 73.960 | 74.090 | 72.360 | 73.110 | 72.558 | 3,618,300 |
| 2026-07-20 | 75.010 | 75.690 | 73.840 | 73.960 | 73.402 | 2,193,000 |
| 2026-07-17 | 76.960 | 77.110 | 74.630 | 74.820 | 74.255 | 2,019,700 |
| 2026-07-16 | 74.890 | 75.890 | 74.590 | 75.750 | 75.178 | 3,071,800 |
| 2026-07-15 | 76.040 | 76.260 | 74.440 | 74.550 | 73.987 | 3,171,500 |
| 2026-07-14 | 77.060 | 77.450 | 76.180 | 76.310 | 75.734 | 1,795,700 |
| 2026-07-13 | 76.610 | 77.300 | 76.380 | 76.630 | 76.052 | 2,279,300 |
| 2026-07-10 | 75.730 | 76.620 | 75.700 | 76.400 | 75.823 | 1,680,600 |
| 2026-07-09 | 76.370 | 76.800 | 75.570 | 75.700 | 75.129 | 1,371,800 |
| 2026-07-08 | 77.740 | 77.800 | 76.200 | 76.370 | 75.794 | 2,857,100 |
| 2026-07-07 | 77.360 | 78.810 | 76.730 | 77.650 | 77.064 | 1,994,100 |
| 2026-07-06 | 77.840 | 77.990 | 76.390 | 76.580 | 76.002 | 2,250,200 |
| 2026-07-02 | 76.230 | 78.210 | 76.030 | 78.030 | 77.441 | 2,563,200 |
| 2026-07-01 | 76.000 | 76.240 | 75.530 | 75.790 | 75.218 | 2,220,700 |
| 2026-06-30 | 77.010 | 77.130 | 76.150 | 76.290 | 75.714 | 2,388,700 |
| 2026-06-29 | 77.170 | 77.350 | 76.680 | 77.180 | 76.598 | 2,427,700 |
| 2026-06-26 | 76.530 | 77.360 | 76.330 | 77.250 | 76.667 | 2,920,500 |
| 2026-06-25 | 75.820 | 76.600 | 75.330 | 76.190 | 75.615 | 2,744,600 |
| 2026-06-24 | 74.990 | 75.690 | 74.520 | 75.590 | 75.020 | 2,496,400 |
| 2026-06-23 | 73.650 | 74.660 | 73.150 | 74.570 | 74.007 | 3,222,600 |
| 2026-06-22 | 72.930 | 74.000 | 72.810 | 73.210 | 72.658 | 2,712,000 |
| 2026-06-18 | 73.620 | 73.710 | 72.530 | 73.000 | 72.449 | 4,271,600 |
| 2026-06-17 | 73.310 | 73.910 | 72.610 | 72.820 | 72.270 | 3,351,500 |
| 2026-06-16 | 73.740 | 74.560 | 73.500 | 73.840 | 73.283 | 2,427,400 |
| 2026-06-15 | 72.840 | 73.740 | 72.240 | 73.550 | 72.995 | 1,551,700 |
| 2026-06-12 | 72.830 | 73.420 | 72.780 | 73.110 | 72.558 | 1,553,700 |
| 2026-06-11 | 73.280 | 73.740 | 72.540 | 72.620 | 72.072 | 2,283,700 |
| 2026-06-10 | 72.930 | 73.620 | 72.530 | 73.000 | 72.449 | 2,945,000 |
| 2026-06-09 | 71.690 | 72.810 | 71.360 | 72.370 | 71.824 | 2,687,400 |
| 2026-06-08 | 72.630 | 73.140 | 71.620 | 71.710 | 71.169 | 2,889,300 |
| 2026-06-05 | 71.560 | 73.240 | 71.550 | 72.870 | 72.320 | 2,776,100 |
| 2026-06-04 | 71.500 | 71.670 | 70.290 | 71.390 | 70.851 | 1,720,900 |
| 2026-06-03 | 71.070 | 72.200 | 70.760 | 70.790 | 70.256 | 3,063,300 |
| 2026-06-02 | 69.900 | 71.370 | 69.760 | 70.960 | 70.425 | 2,432,100 |
| 2026-06-01 | 70.900 | 71.080 | 69.560 | 69.570 | 69.045 | 2,198,200 |
| 2026-05-29 | 72.170 | 72.280 | 71.390 | 71.610 | 71.070 | 3,001,700 |
| 2026-05-28 | 73.750 | 73.860 | 71.910 | 72.170 | 71.625 | 2,260,100 |
| 2026-05-27 | 73.510 | 74.000 | 73.110 | 73.750 | 73.193 | 2,127,400 |
| 2026-05-26 | 74.230 | 74.670 | 73.440 | 73.680 | 73.124 | 1,439,900 |
| 2026-05-22 | 73.280 | 74.070 | 73.050 | 73.950 | 73.392 | 1,950,600 |
| 2026-05-21 | 72.340 | 73.570 | 72.310 | 73.280 | 72.727 | 2,988,900 |
| 2026-05-20 | 73.230 | 73.570 | 72.430 | 72.500 | 71.953 | 2,729,400 |
| 2026-05-19 | 72.000 | 73.130 | 71.710 | 73.000 | 72.449 | 2,832,300 |
| 2026-05-18 | 71.480 | 72.150 | 71.200 | 72.090 | 71.546 | 2,114,200 |
| 2026-05-15 | 72.450 | 72.450 | 70.890 | 70.900 | 70.365 | 2,627,000 |
| 2026-05-14 | 72.520 | 72.850 | 72.090 | 72.450 | 71.903 | 1,558,000 |
| 2026-05-13 | 72.060 | 72.730 | 71.690 | 72.300 | 71.754 | 2,590,400 |
| 2026-05-12 | 72.500 | 72.940 | 71.720 | 72.590 | 72.042 | 3,458,900 |
| 2026-05-11 | 72.140 | 72.760 | 72.060 | 72.470 | 71.923 | 1,671,700 |
| 2026-05-08 | 71.980 | 72.270 | 71.460 | 71.760 | 71.218 | 2,582,600 |
| 2026-05-07 | 72.040 | 72.260 | 71.480 | 71.690 | 71.149 | 2,914,700 |
| 2026-05-06 | 73.070 | 73.520 | 72.110 | 72.310 | 71.764 | 2,933,000 |
| 2026-05-05 | 73.570 | 73.910 | 72.810 | 73.070 | 72.519 | 3,416,800 |
| 2026-05-04 | 73.410 | 74.160 | 72.690 | 73.680 | 73.124 | 3,435,000 |
| 2026-05-01 | 73.430 | 75.760 | 72.590 | 74.060 | 73.501 | 4,344,300 |
| 2026-04-30 | 71.520 | 73.710 | 71.520 | 73.430 | 72.876 | 3,934,800 |
| 2026-04-29 | 72.460 | 72.590 | 71.690 | 72.000 | 70.926 | 1,775,700 |
| 2026-04-28 | 72.670 | 73.200 | 72.270 | 72.460 | 71.379 | 1,726,300 |
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.