Alliant Energy Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2012-04-04 | 43.210 | 43.380 | 43.020 | 43.330 | 13.443 | 877,600 |
| 2012-04-03 | 43.200 | 43.490 | 43.000 | 43.450 | 13.481 | 1,613,400 |
| 2012-04-02 | 43.110 | 43.730 | 43.030 | 43.340 | 13.447 | 1,117,000 |
| 2012-03-30 | 43.750 | 43.760 | 43.320 | 43.320 | 13.440 | 1,421,600 |
| 2012-03-29 | 43.040 | 43.600 | 42.670 | 43.600 | 13.527 | 1,499,400 |
| 2012-03-28 | 43.140 | 43.300 | 42.790 | 43.170 | 13.394 | 1,254,400 |
| 2012-03-27 | 43.090 | 43.240 | 42.900 | 43.160 | 13.391 | 1,290,400 |
| 2012-03-26 | 42.930 | 43.500 | 42.840 | 43.250 | 13.419 | 1,993,200 |
| 2012-03-23 | 42.350 | 42.510 | 42.230 | 42.290 | 13.121 | 927,200 |
| 2012-03-22 | 42.510 | 42.580 | 42.200 | 42.380 | 13.149 | 833,200 |
| 2012-03-21 | 42.780 | 42.820 | 42.450 | 42.660 | 13.236 | 876,800 |
| 2012-03-20 | 42.620 | 42.960 | 42.540 | 42.810 | 13.282 | 513,400 |
| 2012-03-19 | 42.960 | 43.120 | 42.800 | 42.880 | 13.304 | 660,800 |
| 2012-03-16 | 42.870 | 43.310 | 42.800 | 43.000 | 13.341 | 1,101,600 |
| 2012-03-15 | 42.890 | 43.090 | 42.520 | 42.940 | 13.322 | 1,123,600 |
| 2012-03-14 | 43.610 | 43.720 | 42.740 | 42.800 | 13.279 | 1,162,200 |
| 2012-03-13 | 43.670 | 43.720 | 43.370 | 43.680 | 13.552 | 1,125,800 |
| 2012-03-12 | 43.450 | 43.690 | 43.340 | 43.610 | 13.530 | 526,800 |
| 2012-03-09 | 43.070 | 43.450 | 42.880 | 43.390 | 13.462 | 579,600 |
| 2012-03-08 | 43.190 | 43.190 | 42.860 | 43.100 | 13.372 | 1,052,000 |
| 2012-03-07 | 42.610 | 43.000 | 42.310 | 42.950 | 13.326 | 1,320,600 |
| 2012-03-06 | 42.290 | 42.630 | 42.100 | 42.610 | 13.220 | 1,205,400 |
| 2012-03-05 | 42.310 | 42.620 | 42.120 | 42.510 | 13.189 | 964,000 |
| 2012-03-02 | 42.590 | 42.800 | 42.380 | 42.480 | 13.180 | 1,334,200 |
| 2012-03-01 | 42.620 | 42.840 | 42.450 | 42.720 | 13.254 | 1,280,400 |
| 2012-02-29 | 42.760 | 43.010 | 42.510 | 42.640 | 13.229 | 1,676,400 |
| 2012-02-28 | 43.350 | 43.430 | 42.660 | 42.810 | 13.282 | 1,181,000 |
| 2012-02-27 | 42.940 | 43.400 | 42.710 | 43.250 | 13.419 | 1,071,400 |
| 2012-02-24 | 43.100 | 43.380 | 42.930 | 43.290 | 13.431 | 658,600 |
| 2012-02-23 | 43.130 | 43.200 | 42.810 | 43.140 | 13.385 | 837,600 |
| 2012-02-22 | 42.830 | 43.200 | 42.690 | 43.050 | 13.357 | 1,478,000 |
| 2012-02-21 | 43.320 | 43.460 | 42.600 | 42.830 | 13.288 | 1,479,400 |
| 2012-02-17 | 43.150 | 43.340 | 42.980 | 43.130 | 13.381 | 458,000 |
| 2012-02-16 | 42.800 | 43.570 | 42.760 | 43.100 | 13.372 | 1,216,400 |
| 2012-02-15 | 42.800 | 43.050 | 42.010 | 42.760 | 13.267 | 2,504,400 |
| 2012-02-14 | 42.630 | 42.800 | 42.380 | 42.730 | 13.257 | 718,000 |
| 2012-02-13 | 43.340 | 43.410 | 42.590 | 42.730 | 13.257 | 900,400 |
| 2012-02-10 | 43.200 | 44.000 | 42.770 | 43.080 | 13.366 | 1,427,000 |
| 2012-02-09 | 43.450 | 43.540 | 43.060 | 43.360 | 13.453 | 912,400 |
| 2012-02-08 | 43.640 | 43.640 | 43.200 | 43.430 | 13.474 | 1,063,400 |
| 2012-02-07 | 42.930 | 43.480 | 42.910 | 43.400 | 13.465 | 963,800 |
| 2012-02-06 | 42.960 | 43.200 | 42.900 | 43.060 | 13.360 | 1,097,600 |
| 2012-02-03 | 42.950 | 43.050 | 42.740 | 42.970 | 13.332 | 852,600 |
| 2012-02-02 | 42.840 | 42.930 | 42.530 | 42.750 | 13.264 | 716,000 |
| 2012-02-01 | 42.520 | 42.820 | 42.400 | 42.820 | 13.285 | 814,000 |
| 2012-01-31 | 42.180 | 42.480 | 42.090 | 42.390 | 13.152 | 908,200 |
| 2012-01-30 | 42.280 | 42.340 | 41.930 | 42.100 | 13.062 | 774,200 |
| 2012-01-27 | 42.740 | 42.820 | 42.500 | 42.510 | 13.189 | 803,200 |
| 2012-01-26 | 43.210 | 43.640 | 43.030 | 43.220 | 13.270 | 1,214,000 |
| 2012-01-25 | 42.190 | 43.060 | 41.860 | 43.040 | 13.214 | 1,024,800 |
| 2012-01-24 | 42.620 | 42.650 | 42.200 | 42.250 | 12.972 | 1,286,400 |
| 2012-01-23 | 43.060 | 43.450 | 42.620 | 42.750 | 13.125 | 1,122,000 |
| 2012-01-20 | 42.500 | 43.100 | 42.500 | 43.080 | 13.227 | 1,219,400 |
| 2012-01-19 | 43.250 | 43.250 | 42.530 | 42.610 | 13.082 | 1,086,400 |
| 2012-01-18 | 43.180 | 43.230 | 42.770 | 43.230 | 13.273 | 1,411,200 |
| 2012-01-17 | 43.140 | 43.370 | 42.930 | 43.110 | 13.236 | 1,771,800 |
| 2012-01-13 | 42.420 | 42.870 | 42.380 | 42.870 | 13.162 | 2,665,400 |
| 2012-01-12 | 43.170 | 43.300 | 42.880 | 42.920 | 13.178 | 1,086,600 |
| 2012-01-11 | 43.430 | 43.450 | 43.070 | 43.170 | 13.254 | 1,139,000 |
| 2012-01-10 | 43.530 | 43.780 | 43.310 | 43.420 | 13.331 | 1,887,200 |
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.