NASDAQ:LNT | Historical Stock Price | ALLIANT ENERGY CORP

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
1973-02-21 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$3.27$9.17$25.74$72.25$202.84$569.441973-02-212026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 1973

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
1973-12-31$4.47$4.4718,000
1973-12-28$4.41$4.417,200
1973-12-27$4.38$4.373,200
1973-12-26$4.38$4.378,000
1973-12-24$4.34$4.343,200
1973-12-21$4.34$4.344,800
1973-12-20$4.34$4.346,000
1973-12-19$4.34$4.347,200
1973-12-18$4.34$4.343,200
1973-12-17$4.31$4.314,400
1973-12-14$4.31$4.317,200
1973-12-13$4.34$4.347,200
1973-12-12$4.34$4.3416,800
1973-12-11$4.34$4.346,000
1973-12-10$4.38$4.3710,000
1973-12-07$4.31$4.3131,600
1973-12-06$4.19$4.1931,600
1973-12-05$4.06$4.069,200
1973-12-04$4.09$4.094,800
1973-12-03$4.13$4.124,000
1973-11-30$4.13$4.128,400
1973-11-29$4.13$4.1217,200
1973-11-28$4.16$4.1614,000
1973-11-27$4.09$4.0926,400
1973-11-26$4.34$4.345,600
1973-11-23$4.38$4.376,000
1973-11-21$4.38$4.377,200
1973-11-20$4.38$4.374,800
1973-11-19$4.41$4.415,600
1973-11-16$4.41$4.4130,400
1973-11-15$4.44$4.448,000
1973-11-14$4.44$4.4416,000
1973-11-13$4.47$4.477,200
1973-11-12$4.47$4.4715,600
1973-11-09$4.47$4.4715,200
1973-11-08$4.47$4.4711,200
1973-11-07$4.47$4.4712,800
1973-11-06$4.47$4.4734,400
1973-11-05$4.47$4.4736,400
1973-11-02$4.47$4.478,000
1973-11-01$4.47$4.474,800
1973-10-31$4.47$4.472,800
1973-10-30$4.47$4.478,800
1973-10-29$4.50$4.506,000
1973-10-26$4.47$4.474,800
1973-10-25$4.47$4.477,600
1973-10-24$4.56$4.567,600
1973-10-23$4.56$4.568,400
1973-10-22$4.56$4.567,200
1973-10-19$4.63$4.6210,400
1973-10-18$4.66$4.665,200
1973-10-17$4.69$4.695,200
1973-10-16$4.69$4.6911,200
1973-10-15$4.69$4.698,400
1973-10-12$4.72$4.724,400
1973-10-11$4.75$4.758,000
1973-10-10$4.78$4.784,000
1973-10-09$4.78$4.784,800
1973-10-08$4.81$4.814,000
1973-10-05$4.84$4.844,000
1973-10-04$4.88$4.8711,600
1973-10-03$4.97$4.976,800
1973-10-02$4.97$4.976,800
1973-10-01$4.94$4.9410,400
1973-09-28$4.91$4.916,000
1973-09-27$4.94$4.944,400
1973-09-26$4.91$4.9117,200
1973-09-25$4.78$4.7813,200
1973-09-24$4.78$4.7815,600
1973-09-21$4.78$4.7820,400
1973-09-20$4.78$4.7811,200
1973-09-19$4.78$4.788,000
1973-09-18$4.75$4.758,000
1973-09-17$4.75$4.7516,400
1973-09-14$4.75$4.759,600
1973-09-13$4.75$4.754,800
1973-09-12$4.75$4.751,200
1973-09-11$4.75$4.754,000
1973-09-10$4.75$4.755,600
1973-09-07$4.72$4.729,200
1973-09-06$4.72$4.728,400
1973-09-05$4.72$4.729,600
1973-09-04$4.72$4.721,600
1973-08-31$4.69$4.695,200
1973-08-30$4.72$4.723,200
1973-08-29$4.69$4.694,800
1973-08-28$4.66$4.662,800
1973-08-27$4.63$4.6212,800
1973-08-24$4.59$4.599,600
1973-08-23$4.56$4.567,600
1973-08-22$4.56$4.566,400
1973-08-21$4.56$4.563,600
1973-08-20$4.56$4.566,800
1973-08-17$4.56$4.567,200
1973-08-16$4.56$4.567,600
1973-08-15$4.59$4.597,600
1973-08-14$4.69$4.696,800
1973-08-13$4.72$4.725,200
1973-08-10$4.75$4.758,000
1973-08-09$4.78$4.781,600
1973-08-08$4.78$4.783,200
1973-08-07$4.78$4.7842,400
1973-08-06$4.81$4.817,200
1973-08-03$4.81$4.814,400
1973-08-02$4.81$4.815,200
1973-08-01$4.84$4.842,000
1973-07-31$4.84$4.843,600
1973-07-30$4.84$4.847,600
1973-07-27$4.84$4.8410,400
1973-07-26$4.84$4.8414,000
1973-07-25$4.88$4.878,000
1973-07-24$4.88$4.873,200
1973-07-23$4.88$4.876,800
1973-07-20$4.84$4.8410,400
1973-07-19$4.84$4.848,000
1973-07-18$4.84$4.849,200
1973-07-17$4.84$4.8410,000
1973-07-16$4.81$4.817,200
1973-07-13$4.81$4.812,000
1973-07-12$4.81$4.814,400
1973-07-11$4.81$4.8113,600
1973-07-10$4.78$4.787,200
1973-07-09$4.75$4.7512,400
1973-07-06$4.75$4.756,400
1973-07-05$4.75$4.757,200
1973-07-03$4.75$4.7519,600
1973-07-02$4.75$4.7513,200
1973-06-29$4.75$4.759,200
1973-06-28$4.75$4.7518,400
1973-06-27$4.75$4.7548,000
1973-06-26$4.69$4.6923,200
1973-06-25$4.81$4.8120,400
1973-06-22$4.84$4.8412,000
1973-06-21$4.84$4.842,400
1973-06-20$4.84$4.8420,800
1973-06-19$4.84$4.844,800
1973-06-18$4.84$4.8412,800
1973-06-15$4.84$4.846,400
1973-06-14$4.84$4.845,200
1973-06-13$4.84$4.8424,000
1973-06-12$4.84$4.8414,000
1973-06-11$4.88$4.876,800
1973-06-08$4.88$4.876,400
1973-06-07$4.88$4.875,600
1973-06-06$4.88$4.8720,400
1973-06-05$4.88$4.8732,800
1973-06-04$4.91$4.9121,600
1973-06-01$4.91$4.919,200
1973-05-31$4.91$4.917,600
1973-05-30$4.91$4.916,400
1973-05-29$4.91$4.912,000
1973-05-25$4.91$4.918,800
1973-05-24$4.91$4.9117,200
1973-05-23$4.91$4.9112,800
1973-05-22$4.91$4.917,600
1973-05-21$4.91$4.916,800
1973-05-18$4.91$4.9114,400
1973-05-17$4.91$4.917,600
1973-05-16$4.91$4.917,600
1973-05-15$4.91$4.9129,200
1973-05-14$4.91$4.916,800
1973-05-11$4.91$4.913,600
1973-05-10$4.88$4.878,000
1973-05-09$4.88$4.8769,200
1973-05-08$4.88$4.873,200
1973-05-07$4.88$4.877,600
1973-05-04$4.88$4.8716,400
1973-05-03$4.88$4.876,800
1973-05-02$4.88$4.8716,800
1973-05-01$4.88$4.8713,600
1973-04-30$4.91$4.915,600
1973-04-27$4.91$4.9149,600
1973-04-26$4.91$4.917,200
1973-04-25$4.91$4.916,000
1973-04-24$4.91$4.912,800
1973-04-23$4.94$4.9410,800
1973-04-19$4.91$4.917,600
1973-04-18$4.91$4.918,400
1973-04-17$4.94$4.9452,000
1973-04-16$4.97$4.978,800
1973-04-13$4.97$4.974,400
1973-04-12$4.97$4.972,000
1973-04-11$4.97$4.9732,000
1973-04-10$4.97$4.976,800
1973-04-09$4.97$4.9717,600
1973-04-06$4.91$4.9127,600
1973-04-05$4.91$4.913,200
1973-04-04$4.91$4.9129,200
1973-04-03$4.91$4.9151,200
1973-04-02$4.91$4.9135,600
1973-03-30$4.91$4.915,600
1973-03-29$4.91$4.915,200
1973-03-28$4.91$4.9110,800
1973-03-27$4.88$4.8717,200
1973-03-26$4.88$4.874,400
1973-03-23$4.84$4.8420,000
1973-03-22$4.84$4.847,200
1973-03-21$4.84$4.8421,200
1973-03-20$4.88$4.8723,200
1973-03-19$4.91$4.917,600
1973-03-16$4.91$4.919,200
1973-03-15$4.94$4.9420,000
1973-03-14$4.97$4.9714,000
1973-03-13$4.97$4.9741,200
1973-03-12$4.97$4.9726,400
1973-03-09$4.97$4.9723,200
1973-03-08$4.97$4.978,800
1973-03-07$4.97$4.9723,600
1973-03-06$4.97$4.979,200
1973-03-05$4.97$4.9726,800
1973-03-02$4.97$4.9710,400
1973-03-01$4.97$4.9736,800
1973-02-28$4.97$4.9726,000
1973-02-27$4.94$4.9426,000
1973-02-26$5.00$5.0016,400
1973-02-23$5.03$5.0373,200
1973-02-22$5.03$5.038,400
1973-02-21$5.03$5.035,600