Alliant Energy Corp. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-10-21 | 66.590 | 68.810 | 66.590 | 68.580 | 68.580 | 154 |
| 2026-10-20 | 66.370 | 68.390 | 66.370 | 68.200 | 68.200 | 258 |
| 2026-10-19 | 68.730 | 68.730 | 66.960 | 67.080 | 67.080 | 44 |
| 2026-10-16 | 66.840 | 68.130 | 66.640 | 68.130 | 68.130 | 58 |
| 2026-10-15 | 67.680 | 68.990 | 67.210 | 67.248 | 67.248 | 1,686 |
| 2026-10-14 | 66.710 | 67.540 | 66.630 | 67.249 | 67.249 | 107 |
| 2026-10-13 | 67.120 | 67.350 | 66.250 | 66.890 | 66.890 | 1,012 |
| 2026-10-12 | 66.480 | 66.850 | 64.460 | 66.370 | 66.370 | 189 |
| 2026-10-09 | 65.000 | 66.450 | 65.000 | 65.750 | 65.750 | 182 |
| 2026-10-08 | 65.650 | 65.650 | 64.270 | 65.505 | 65.505 | 1,388 |
| 2026-10-07 | 65.490 | 65.720 | 64.250 | 65.470 | 65.470 | 24 |
| 2026-10-06 | 63.990 | 65.500 | 63.970 | 65.050 | 65.050 | 448 |
| 2026-10-05 | 63.520 | 65.490 | 63.520 | 64.510 | 64.510 | 164 |
| 2026-10-02 | 64.530 | 65.066 | 63.560 | 64.338 | 64.338 | 43 |
| 2026-10-01 | 62.870 | 63.640 | 62.630 | 63.620 | 63.620 | 277 |
| 2026-09-30 | 64.360 | 65.490 | 63.808 | 63.808 | 63.808 | 244 |
| 2026-09-29 | 63.590 | 63.910 | 62.020 | 63.910 | 63.910 | 146 |
| 2026-09-28 | 63.990 | 64.250 | 62.920 | 63.190 | 63.190 | 1,168 |
| 2026-09-25 | 63.165 | 64.500 | 62.720 | 63.260 | 63.260 | 741 |
| 2026-09-24 | 63.010 | 64.910 | 63.010 | 63.500 | 63.500 | 105 |
| 2026-09-23 | 64.310 | 64.930 | 63.590 | 63.920 | 63.920 | 206 |
| 2026-09-22 | 64.530 | 65.550 | 64.520 | 64.925 | 64.925 | 243 |
| 2026-09-21 | 65.300 | 66.480 | 64.910 | 64.942 | 64.942 | 967 |
| 2026-09-18 | 66.140 | 67.990 | 65.780 | 65.800 | 65.800 | 10 |
| 2026-09-17 | 65.900 | 67.000 | 65.900 | 66.670 | 66.670 | 84 |
| 2026-09-16 | 65.750 | 66.910 | 65.710 | 66.540 | 66.540 | 19 |
| 2026-09-15 | 67.360 | 67.420 | 65.920 | 65.920 | 65.920 | 754 |
| 2026-09-14 | 67.000 | 69.030 | 66.932 | 67.152 | 67.152 | 187 |
| 2026-09-11 | 67.200 | 67.960 | 66.460 | 67.458 | 67.458 | 128 |
| 2026-09-10 | 68.470 | 69.460 | 67.340 | 67.390 | 67.390 | 16 |
| 2026-09-09 | 68.430 | 69.030 | 67.445 | 67.790 | 67.790 | 1,270 |
| 2026-09-08 | 68.000 | 68.970 | 67.190 | 68.750 | 68.750 | 2,330 |
| 2026-09-04 | 67.020 | 68.610 | 66.010 | 68.080 | 68.080 | 158 |
| 2026-09-03 | 68.310 | 68.310 | 67.170 | 68.250 | 68.250 | 454 |
| 2026-09-02 | 67.610 | 68.300 | 66.920 | 68.050 | 68.050 | 142 |
| 2026-09-01 | 68.250 | 68.450 | 65.550 | 67.660 | 67.660 | 57 |
| 2026-08-31 | 67.560 | 69.990 | 66.920 | 67.940 | 67.940 | 7,206 |
| 2026-08-28 | 67.960 | 69.000 | 67.880 | 67.952 | 67.952 | 181 |
| 2026-08-27 | 69.320 | 69.850 | 68.000 | 68.280 | 68.280 | 964 |
| 2026-08-26 | 67.880 | 69.150 | 66.700 | 68.990 | 68.990 | 171 |
| 2026-08-25 | 67.560 | 69.410 | 67.560 | 68.220 | 68.220 | 115 |
| 2026-08-24 | 68.550 | 68.550 | 67.680 | 68.322 | 68.322 | 579 |
| 2026-08-21 | 70.000 | 70.960 | 67.800 | 68.380 | 68.380 | 181 |
| 2026-08-20 | 70.700 | 70.700 | 67.370 | 69.790 | 69.790 | 289 |
| 2026-08-19 | 70.000 | 71.780 | 69.760 | 70.300 | 70.300 | 458 |
| 2026-08-18 | 69.560 | 71.510 | 69.560 | 70.610 | 70.610 | 439 |
| 2026-08-17 | 70.050 | 70.930 | 69.840 | 70.220 | 70.220 | 378 |
| 2026-08-14 | 70.520 | 71.630 | 69.700 | 70.660 | 70.660 | 1,005 |
| 2026-08-13 | 70.620 | 70.660 | 69.900 | 70.608 | 70.608 | 70 |
| 2026-08-12 | 68.810 | 70.382 | 68.600 | 70.290 | 70.290 | 1,067 |
| 2026-08-11 | 67.740 | 69.770 | 67.370 | 68.620 | 68.620 | 392 |
| 2026-08-10 | 69.060 | 70.060 | 68.280 | 68.301 | 68.301 | 415 |
| 2026-08-07 | 69.200 | 71.810 | 68.330 | 69.752 | 69.752 | 205 |
| 2026-08-06 | 70.900 | 71.810 | 69.000 | 69.267 | 69.267 | 1,691 |
| 2026-08-05 | 70.310 | 71.810 | 69.495 | 69.970 | 69.970 | 312 |
| 2026-08-04 | 70.210 | 71.810 | 69.910 | 70.659 | 70.659 | 1,075 |
| 2026-08-03 | 72.360 | 72.370 | 68.520 | 70.840 | 70.840 | 1,987 |
| 2026-07-31 | 72.840 | 72.840 | 69.750 | 70.520 | 70.520 | 749 |
| 2026-07-30 | 72.670 | 72.670 | 70.050 | 71.090 | 71.090 | 222 |
| 2026-07-29 | 74.290 | 75.230 | 72.320 | 72.350 | 71.815 | 596 |
Page 1 of 5 · 249 trading daysOlder →
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2026-07-30 | 0.5350 USD |
| 2026-04-30 | 0.5350 USD |
| 2026-01-29 | 0.5350 USD |
| 2025-10-30 | 0.5075 USD |
| 2025-07-30 | 0.5075 USD |
| 2025-04-30 | 0.5075 USD |
| 2025-01-31 | 0.5075 USD |
| 2024-10-30 | 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.