Alliant Energy Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2021-04-23 | 57.030 | 57.030 | 56.420 | 56.440 | 47.277 | 983,800 |
| 2021-04-22 | 57.070 | 57.390 | 56.610 | 56.850 | 47.620 | 938,700 |
| 2021-04-21 | 57.510 | 57.810 | 56.790 | 57.080 | 47.813 | 930,000 |
| 2021-04-20 | 56.440 | 57.560 | 56.390 | 57.420 | 48.098 | 1,423,200 |
| 2021-04-19 | 56.160 | 56.370 | 55.800 | 56.190 | 47.068 | 1,590,900 |
| 2021-04-16 | 56.050 | 56.370 | 55.760 | 56.160 | 47.042 | 1,181,400 |
| 2021-04-15 | 54.940 | 55.790 | 54.790 | 55.680 | 46.640 | 1,113,400 |
| 2021-04-14 | 54.240 | 54.910 | 54.130 | 54.880 | 45.970 | 964,000 |
| 2021-04-13 | 54.030 | 54.630 | 53.800 | 54.510 | 45.660 | 1,151,700 |
| 2021-04-12 | 54.100 | 54.610 | 53.960 | 54.210 | 45.409 | 1,267,600 |
| 2021-04-09 | 54.430 | 54.820 | 53.970 | 54.010 | 45.242 | 987,700 |
| 2021-04-08 | 54.760 | 54.850 | 54.080 | 54.150 | 45.359 | 1,430,900 |
| 2021-04-07 | 54.900 | 55.180 | 54.320 | 54.390 | 45.560 | 1,276,800 |
| 2021-04-06 | 54.500 | 54.890 | 54.220 | 54.820 | 45.920 | 993,400 |
| 2021-04-05 | 54.520 | 55.240 | 54.430 | 54.840 | 45.937 | 823,700 |
| 2021-04-01 | 53.870 | 54.390 | 53.590 | 54.360 | 45.535 | 894,100 |
| 2021-03-31 | 54.180 | 54.300 | 53.840 | 54.160 | 45.367 | 1,417,700 |
| 2021-03-30 | 54.370 | 54.550 | 53.560 | 54.160 | 45.367 | 1,067,800 |
| 2021-03-29 | 53.860 | 54.900 | 53.650 | 54.640 | 45.769 | 1,087,900 |
| 2021-03-26 | 53.560 | 54.050 | 53.250 | 53.970 | 45.208 | 1,297,700 |
| 2021-03-25 | 53.470 | 54.270 | 52.930 | 53.750 | 45.024 | 1,630,300 |
| 2021-03-24 | 53.110 | 53.770 | 52.820 | 53.320 | 44.664 | 2,130,400 |
| 2021-03-23 | 51.510 | 53.300 | 51.320 | 53.070 | 44.454 | 1,856,600 |
| 2021-03-22 | 51.730 | 52.030 | 51.170 | 51.510 | 43.147 | 1,697,700 |
| 2021-03-19 | 51.840 | 52.290 | 51.120 | 51.770 | 43.365 | 5,167,200 |
| 2021-03-18 | 51.700 | 52.160 | 50.980 | 51.780 | 43.374 | 1,964,800 |
| 2021-03-17 | 53.070 | 53.070 | 51.570 | 51.710 | 43.315 | 1,965,800 |
| 2021-03-16 | 52.580 | 53.190 | 52.360 | 52.700 | 44.144 | 1,852,500 |
| 2021-03-15 | 51.320 | 53.410 | 51.320 | 52.700 | 44.144 | 3,134,100 |
| 2021-03-12 | 50.190 | 51.700 | 49.990 | 51.120 | 42.821 | 2,502,600 |
| 2021-03-11 | 50.180 | 50.750 | 49.960 | 49.990 | 41.874 | 1,350,600 |
| 2021-03-10 | 49.880 | 50.710 | 49.690 | 50.390 | 42.209 | 1,785,400 |
| 2021-03-09 | 49.650 | 50.070 | 49.520 | 49.880 | 41.782 | 1,713,400 |
| 2021-03-08 | 48.760 | 49.830 | 48.200 | 49.710 | 41.640 | 1,678,600 |
| 2021-03-05 | 47.540 | 48.640 | 47.260 | 48.390 | 40.534 | 1,595,700 |
| 2021-03-04 | 46.920 | 48.100 | 46.760 | 47.200 | 39.537 | 1,286,300 |
| 2021-03-03 | 47.130 | 47.140 | 46.060 | 46.910 | 39.294 | 1,303,600 |
| 2021-03-02 | 47.290 | 47.320 | 46.370 | 47.110 | 39.462 | 1,092,400 |
| 2021-03-01 | 46.550 | 47.640 | 46.550 | 47.090 | 39.445 | 1,448,500 |
| 2021-02-26 | 47.540 | 48.030 | 45.990 | 46.160 | 38.666 | 1,700,800 |
| 2021-02-25 | 47.410 | 47.760 | 47.100 | 47.370 | 39.680 | 1,289,700 |
| 2021-02-24 | 48.410 | 48.410 | 47.290 | 47.530 | 39.814 | 1,495,500 |
| 2021-02-23 | 47.540 | 48.680 | 47.360 | 48.230 | 40.400 | 1,880,000 |
| 2021-02-22 | 47.500 | 47.770 | 46.490 | 47.130 | 39.478 | 1,337,800 |
| 2021-02-19 | 49.990 | 49.990 | 47.540 | 47.630 | 39.897 | 1,901,100 |
| 2021-02-18 | 47.940 | 48.690 | 47.940 | 48.610 | 40.718 | 1,045,700 |
| 2021-02-17 | 47.990 | 48.380 | 47.850 | 48.230 | 40.400 | 999,100 |
| 2021-02-16 | 48.550 | 48.670 | 47.740 | 47.820 | 40.056 | 1,128,300 |
| 2021-02-12 | 48.670 | 48.850 | 48.120 | 48.290 | 40.450 | 1,269,100 |
| 2021-02-11 | 49.130 | 49.400 | 48.500 | 48.710 | 40.802 | 912,800 |
| 2021-02-10 | 49.140 | 49.520 | 48.860 | 49.120 | 41.145 | 800,400 |
| 2021-02-09 | 49.280 | 49.440 | 48.250 | 48.840 | 40.911 | 834,500 |
| 2021-02-08 | 49.670 | 50.000 | 48.950 | 49.060 | 41.095 | 875,700 |
| 2021-02-05 | 49.450 | 49.870 | 49.310 | 49.680 | 41.614 | 778,500 |
| 2021-02-04 | 48.930 | 49.750 | 48.700 | 49.460 | 41.430 | 924,800 |
| 2021-02-03 | 49.400 | 49.940 | 49.040 | 49.110 | 41.137 | 1,229,000 |
| 2021-02-02 | 49.130 | 49.910 | 48.770 | 49.020 | 41.062 | 1,065,800 |
| 2021-02-01 | 48.740 | 49.410 | 48.250 | 48.950 | 41.003 | 1,236,500 |
| 2021-01-29 | 48.840 | 49.140 | 48.070 | 48.650 | 40.752 | 1,800,400 |
| 2021-01-28 | 48.920 | 49.920 | 48.570 | 48.960 | 41.011 | 1,236,500 |
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.