Alliant Energy Corporation (LNT)
NASDAQ: LNT · Real-Time Price · USD
71.76
-0.87 (-1.20%)
At close: Mar 18, 2026, 4:00 PM EDT
73.19
+1.43 (1.99%)
After-hours: Mar 18, 2026, 7:48 PM EDT

Alliant Energy Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Mar 18, 202672.2772.3571.7271.7671.76-1.20%1,802,094
Mar 17, 202673.3473.3672.4772.6372.63-0.55%1,368,490
Mar 16, 202673.4173.4172.7173.0373.030.33%1,480,133
Mar 13, 202672.3172.9672.1472.7972.791.70%1,660,899
Mar 12, 202670.5972.3770.5971.5771.571.07%2,503,796
Mar 11, 202671.1971.6270.6270.8170.81-0.32%2,271,162
Mar 10, 202671.2371.8770.9071.0471.04-0.80%2,149,999
Mar 9, 202671.5571.7570.6771.6171.610.08%2,144,142
Mar 6, 202671.0571.7770.8071.5571.550.29%2,213,174
Mar 5, 202671.7672.1970.9271.3471.34-1.33%2,672,083
Mar 4, 202672.0372.4371.3772.3072.300.10%1,858,146
Mar 3, 202671.5172.6570.8072.2372.23-0.14%2,795,889
Mar 2, 202672.1072.6371.8772.3372.33-0.01%2,980,052
Feb 27, 202671.6672.4071.4372.3472.341.25%5,649,795
Feb 26, 202671.5571.8871.0071.4571.450.27%7,931,087
Feb 25, 202671.8572.2470.3771.2671.26-0.52%3,107,085
Feb 24, 202671.9572.1070.6771.6371.63-0.39%2,911,165
Feb 23, 202671.3872.2071.2371.9171.911.27%3,943,217
Feb 20, 202671.4271.6470.0071.0171.011.43%4,015,054
Feb 19, 202669.7970.5569.7570.0170.010.69%3,342,442
Feb 18, 202671.1071.3269.5069.5369.53-2.21%2,799,421
Feb 17, 202671.8372.2670.9771.1071.10-0.13%2,725,659
Feb 13, 202669.6671.3869.6671.1971.192.17%2,761,852
Feb 12, 202668.6970.2668.6469.6869.682.13%3,093,352
Feb 11, 202668.0368.4867.6868.2368.230.32%1,642,817
Feb 10, 202667.1568.6166.8968.0168.011.66%2,497,614
Feb 9, 202666.5366.9866.1566.9066.900.31%1,707,446
Feb 6, 202667.5367.5366.0866.6966.69-0.21%4,807,292
Feb 5, 202667.2067.5666.5566.8366.830.12%3,232,903
Feb 4, 202666.9267.3266.5866.7566.750.33%3,706,486
Feb 3, 202665.1266.5765.1266.5366.532.18%3,097,726
Feb 2, 202665.9166.2364.9365.1165.11-1.21%2,975,738
Jan 30, 202665.6865.9565.2065.9165.91-0.63%2,678,352
Jan 29, 202666.2666.9465.7366.3365.800.11%4,587,119
Jan 28, 202667.1967.5066.1866.2665.73-1.38%3,204,556
Jan 27, 202666.8767.5966.8067.1966.650.27%1,859,710
Jan 26, 202666.8567.5766.6967.0166.470.27%1,842,246
Jan 23, 202666.7566.8665.8766.8366.29-0.06%2,395,596
Jan 22, 202667.4167.6666.5466.8766.33-0.85%1,869,749
Jan 21, 202667.7467.8066.8467.4466.900.24%2,837,810
Jan 20, 202667.5467.5466.6767.2866.74-0.09%1,902,372
Jan 16, 202666.7767.6366.5467.3466.800.42%2,083,814
Jan 15, 202667.0567.3366.6367.0666.520.30%2,146,839
Jan 14, 202666.1767.0266.1766.8666.321.04%1,962,359
Jan 13, 202665.8166.3365.2466.1765.641.53%2,570,476
Jan 12, 202665.0265.4564.8065.1764.640.23%1,784,041
Jan 9, 202665.3766.0965.0065.0264.50-0.81%2,049,811
Jan 8, 202664.6365.5664.6065.5565.021.47%2,533,969
Jan 7, 202665.5065.5864.3464.6064.08-1.19%2,596,674
Jan 6, 202664.9065.4764.7565.3864.850.74%1,595,215