Alliant Energy Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2017-09-27 | 42.020 | 42.170 | 41.300 | 41.580 | 31.357 | 1,481,400 |
| 2017-09-26 | 42.190 | 42.320 | 42.010 | 42.250 | 31.862 | 1,091,000 |
| 2017-09-25 | 41.680 | 42.310 | 41.580 | 42.250 | 31.862 | 975,000 |
| 2017-09-22 | 42.310 | 42.310 | 41.720 | 41.730 | 31.470 | 684,400 |
| 2017-09-21 | 42.190 | 42.460 | 42.030 | 42.060 | 31.719 | 653,300 |
| 2017-09-20 | 42.670 | 42.710 | 41.990 | 42.150 | 31.787 | 1,507,800 |
| 2017-09-19 | 42.520 | 42.670 | 42.310 | 42.530 | 32.073 | 1,605,500 |
| 2017-09-18 | 42.890 | 42.910 | 42.150 | 42.490 | 32.043 | 1,059,500 |
| 2017-09-15 | 42.980 | 43.030 | 42.650 | 42.900 | 32.352 | 1,954,500 |
| 2017-09-14 | 42.430 | 42.950 | 42.270 | 42.920 | 32.367 | 840,700 |
| 2017-09-13 | 42.710 | 42.830 | 42.380 | 42.450 | 32.013 | 868,000 |
| 2017-09-12 | 43.500 | 43.510 | 42.610 | 42.750 | 32.239 | 945,900 |
| 2017-09-11 | 43.120 | 43.690 | 43.040 | 43.600 | 32.880 | 939,600 |
| 2017-09-08 | 42.930 | 43.240 | 42.750 | 43.190 | 32.571 | 725,500 |
| 2017-09-07 | 42.740 | 43.030 | 42.650 | 42.950 | 32.390 | 1,175,100 |
| 2017-09-06 | 43.000 | 43.060 | 42.560 | 42.600 | 32.126 | 711,000 |
| 2017-09-05 | 42.680 | 42.970 | 42.570 | 42.910 | 32.360 | 1,033,600 |
| 2017-09-01 | 42.840 | 42.920 | 42.540 | 42.570 | 32.103 | 1,049,200 |
| 2017-08-31 | 42.770 | 42.940 | 42.720 | 42.740 | 32.232 | 981,600 |
| 2017-08-30 | 43.000 | 43.060 | 42.700 | 42.770 | 32.254 | 1,459,200 |
| 2017-08-29 | 43.140 | 43.230 | 42.970 | 43.060 | 32.473 | 887,700 |
| 2017-08-28 | 42.960 | 43.130 | 42.880 | 43.080 | 32.488 | 1,178,300 |
| 2017-08-25 | 42.990 | 43.090 | 42.730 | 42.870 | 32.330 | 1,142,000 |
| 2017-08-24 | 43.000 | 43.090 | 42.750 | 42.860 | 32.322 | 892,400 |
| 2017-08-23 | 42.680 | 43.060 | 42.540 | 43.010 | 32.435 | 1,502,600 |
| 2017-08-22 | 42.400 | 42.820 | 42.270 | 42.720 | 32.216 | 1,112,700 |
| 2017-08-21 | 42.300 | 42.450 | 42.170 | 42.400 | 31.975 | 837,900 |
| 2017-08-18 | 41.690 | 42.320 | 41.580 | 42.240 | 31.854 | 1,412,700 |
| 2017-08-17 | 42.140 | 42.150 | 41.680 | 41.770 | 31.500 | 949,800 |
| 2017-08-16 | 41.880 | 42.110 | 41.860 | 42.080 | 31.734 | 590,300 |
| 2017-08-15 | 41.540 | 41.960 | 41.500 | 41.910 | 31.606 | 568,900 |
| 2017-08-14 | 41.430 | 41.700 | 41.380 | 41.670 | 31.425 | 652,800 |
| 2017-08-11 | 41.590 | 41.590 | 41.290 | 41.370 | 31.198 | 1,407,000 |
| 2017-08-10 | 41.500 | 41.750 | 41.420 | 41.630 | 31.394 | 905,400 |
| 2017-08-09 | 41.690 | 41.730 | 41.480 | 41.510 | 31.304 | 1,195,600 |
| 2017-08-08 | 41.240 | 41.580 | 41.150 | 41.570 | 31.349 | 729,400 |
| 2017-08-07 | 41.110 | 41.320 | 41.030 | 41.280 | 31.131 | 651,500 |
| 2017-08-04 | 41.400 | 41.400 | 40.770 | 41.090 | 30.987 | 1,051,800 |
| 2017-08-03 | 40.740 | 41.150 | 40.740 | 41.090 | 30.987 | 1,147,500 |
| 2017-08-02 | 40.660 | 40.960 | 40.520 | 40.950 | 30.882 | 973,100 |
| 2017-08-01 | 40.530 | 40.930 | 40.500 | 40.830 | 30.791 | 1,506,800 |
| 2017-07-31 | 40.460 | 40.610 | 40.310 | 40.530 | 30.565 | 1,128,900 |
| 2017-07-28 | 40.690 | 40.780 | 40.310 | 40.470 | 30.520 | 1,305,100 |
| 2017-07-27 | 40.470 | 40.760 | 40.430 | 40.730 | 30.716 | 765,000 |
| 2017-07-26 | 40.510 | 40.880 | 40.470 | 40.870 | 30.584 | 804,000 |
| 2017-07-25 | 40.800 | 40.910 | 40.450 | 40.550 | 30.344 | 687,200 |
| 2017-07-24 | 41.410 | 41.660 | 40.840 | 40.840 | 30.561 | 918,600 |
| 2017-07-21 | 40.970 | 41.390 | 40.890 | 41.380 | 30.965 | 829,300 |
| 2017-07-20 | 40.660 | 41.020 | 40.570 | 41.010 | 30.689 | 1,256,800 |
| 2017-07-19 | 40.300 | 40.500 | 40.240 | 40.500 | 30.307 | 767,900 |
| 2017-07-18 | 40.150 | 40.360 | 40.100 | 40.280 | 30.142 | 624,700 |
| 2017-07-17 | 39.960 | 40.130 | 39.810 | 40.130 | 30.030 | 727,900 |
| 2017-07-14 | 40.050 | 40.210 | 39.870 | 39.970 | 29.910 | 784,300 |
| 2017-07-13 | 39.880 | 40.010 | 39.570 | 39.730 | 29.731 | 1,385,100 |
| 2017-07-12 | 39.890 | 40.030 | 39.830 | 39.880 | 29.843 | 617,900 |
| 2017-07-11 | 39.640 | 39.710 | 39.360 | 39.590 | 29.626 | 802,100 |
| 2017-07-10 | 39.780 | 39.880 | 39.560 | 39.560 | 29.603 | 960,800 |
| 2017-07-07 | 39.690 | 39.940 | 39.630 | 39.710 | 29.716 | 683,600 |
| 2017-07-06 | 39.600 | 39.770 | 39.540 | 39.670 | 29.686 | 864,200 |
| 2017-07-05 | 39.920 | 39.980 | 39.600 | 39.760 | 29.753 | 1,118,500 |
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.