Alliant Energy Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-10-16 | 67.500 | 68.430 | 67.040 | 68.320 | 68.320 | 2,577,200 |
| 2026-10-15 | 68.380 | 68.440 | 67.000 | 67.100 | 67.100 | 2,668,400 |
| 2026-10-14 | 67.050 | 67.590 | 66.550 | 67.510 | 67.510 | 2,397,300 |
| 2026-10-13 | 67.010 | 67.100 | 65.650 | 66.960 | 66.960 | 1,948,400 |
| 2026-10-12 | 65.900 | 66.510 | 65.540 | 66.460 | 66.460 | 2,842,800 |
| 2026-10-09 | 65.670 | 65.990 | 65.280 | 65.850 | 65.850 | 2,268,600 |
| 2026-10-08 | 65.310 | 65.700 | 64.860 | 65.500 | 65.500 | 2,651,800 |
| 2026-10-07 | 65.400 | 65.670 | 65.100 | 65.210 | 65.210 | 2,128,900 |
| 2026-10-06 | 64.670 | 65.540 | 64.440 | 65.490 | 65.490 | 2,738,100 |
| 2026-10-05 | 64.180 | 64.800 | 63.970 | 64.290 | 64.290 | 2,983,600 |
| 2026-10-02 | 63.790 | 65.200 | 63.790 | 64.330 | 64.330 | 5,260,100 |
| 2026-10-01 | 63.300 | 63.930 | 62.540 | 63.710 | 63.710 | 3,380,600 |
| 2026-09-30 | 64.540 | 64.650 | 63.180 | 63.300 | 63.300 | 4,636,900 |
| 2026-09-29 | 62.810 | 64.470 | 62.770 | 64.340 | 64.340 | 3,890,400 |
| 2026-09-28 | 63.440 | 63.810 | 62.780 | 63.210 | 63.210 | 4,040,400 |
| 2026-09-25 | 63.260 | 63.650 | 62.700 | 63.600 | 63.600 | 2,704,900 |
| 2026-09-24 | 63.850 | 64.000 | 63.270 | 63.310 | 63.310 | 2,447,200 |
| 2026-09-23 | 64.660 | 64.660 | 63.560 | 63.690 | 63.690 | 2,952,300 |
| 2026-09-22 | 64.980 | 65.330 | 64.570 | 64.620 | 64.620 | 2,211,000 |
| 2026-09-21 | 65.620 | 65.700 | 64.760 | 64.970 | 64.970 | 3,064,300 |
| 2026-09-18 | 66.500 | 66.500 | 65.560 | 65.610 | 65.610 | 3,936,400 |
| 2026-09-17 | 66.230 | 66.750 | 66.050 | 66.640 | 66.640 | 2,221,700 |
| 2026-09-16 | 66.320 | 66.730 | 65.800 | 66.110 | 66.110 | 1,908,400 |
| 2026-09-15 | 67.050 | 67.130 | 65.910 | 65.990 | 65.990 | 1,468,500 |
| 2026-09-14 | 67.300 | 67.710 | 66.740 | 66.920 | 66.920 | 1,836,800 |
| 2026-09-11 | 67.800 | 67.800 | 67.030 | 67.260 | 67.260 | 1,950,300 |
| 2026-09-10 | 67.890 | 68.430 | 67.160 | 67.250 | 67.250 | 1,863,100 |
| 2026-09-09 | 68.600 | 68.970 | 67.420 | 67.860 | 67.860 | 1,821,600 |
| 2026-09-08 | 67.860 | 69.040 | 67.860 | 68.610 | 68.610 | 2,045,300 |
| 2026-09-04 | 67.570 | 68.540 | 67.440 | 67.970 | 67.970 | 1,849,800 |
| 2026-09-03 | 67.930 | 68.440 | 67.670 | 68.000 | 68.000 | 2,345,900 |
| 2026-09-02 | 67.880 | 68.120 | 67.220 | 67.740 | 67.740 | 2,293,100 |
| 2026-09-01 | 67.980 | 68.580 | 67.550 | 67.920 | 67.920 | 2,843,600 |
| 2026-08-31 | 67.610 | 68.330 | 67.380 | 67.980 | 67.980 | 2,360,300 |
| 2026-08-28 | 68.590 | 68.730 | 67.730 | 68.030 | 68.030 | 2,048,700 |
| 2026-08-27 | 68.310 | 68.510 | 67.900 | 68.210 | 68.210 | 1,508,200 |
| 2026-08-26 | 68.340 | 69.190 | 68.170 | 68.920 | 68.920 | 1,706,800 |
| 2026-08-25 | 68.500 | 68.680 | 68.140 | 68.340 | 68.340 | 1,381,100 |
| 2026-08-24 | 68.010 | 68.500 | 67.680 | 68.420 | 68.420 | 1,823,200 |
| 2026-08-21 | 69.760 | 70.510 | 67.810 | 67.860 | 67.860 | 1,956,200 |
| 2026-08-20 | 69.800 | 70.590 | 69.430 | 69.460 | 69.460 | 1,765,400 |
| 2026-08-19 | 70.480 | 70.640 | 69.840 | 70.150 | 70.150 | 1,936,100 |
| 2026-08-18 | 71.250 | 71.460 | 69.950 | 69.980 | 69.980 | 2,018,100 |
| 2026-08-17 | 70.150 | 70.440 | 69.770 | 70.350 | 70.350 | 2,058,000 |
| 2026-08-14 | 70.010 | 70.770 | 69.990 | 70.600 | 70.600 | 1,610,200 |
| 2026-08-13 | 70.460 | 70.770 | 70.150 | 70.200 | 70.200 | 3,255,600 |
| 2026-08-12 | 68.950 | 70.460 | 68.810 | 70.240 | 70.240 | 5,651,600 |
| 2026-08-11 | 68.060 | 68.770 | 67.540 | 68.580 | 68.580 | 2,915,600 |
| 2026-08-10 | 69.550 | 69.550 | 67.940 | 68.210 | 68.210 | 2,749,800 |
| 2026-08-07 | 69.410 | 69.860 | 68.890 | 69.370 | 69.370 | 2,152,100 |
| 2026-08-06 | 71.050 | 71.050 | 69.060 | 69.520 | 69.520 | 2,000,300 |
| 2026-08-05 | 70.630 | 70.630 | 69.380 | 70.200 | 70.200 | 2,560,600 |
| 2026-08-04 | 71.050 | 71.210 | 70.230 | 70.660 | 70.660 | 3,365,000 |
| 2026-08-03 | 70.710 | 71.630 | 70.140 | 71.270 | 71.270 | 3,303,500 |
| 2026-07-31 | 70.460 | 71.140 | 69.920 | 70.780 | 70.780 | 3,240,100 |
| 2026-07-30 | 72.170 | 72.290 | 70.690 | 70.890 | 70.355 | 3,165,400 |
| 2026-07-29 | 74.120 | 74.310 | 71.700 | 72.000 | 71.457 | 3,418,900 |
| 2026-07-28 | 74.850 | 75.310 | 73.790 | 73.790 | 73.233 | 2,099,000 |
| 2026-07-27 | 74.640 | 75.170 | 73.730 | 73.930 | 73.372 | 2,139,700 |
| 2026-07-24 | 74.770 | 75.440 | 74.630 | 74.940 | 74.374 | 1,957,500 |
Page 1 of 79 · 4,728 trading daysOlder →
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.