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 — 2007

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2007-12-31$20.34$72.84931,800
2007-12-28$20.55$73.58492,200
2007-12-27$20.66$73.95557,400
2007-12-26$20.86$74.69692,600
2007-12-24$20.93$74.95441,800
2007-12-21$21.33$76.391,881,600
2007-12-20$21.28$76.171,231,600
2007-12-19$21.08$75.461,471,200
2007-12-18$20.85$74.651,065,600
2007-12-17$20.59$73.74703,200
2007-12-14$20.71$74.131,234,200
2007-12-13$21.18$75.851,388,000
2007-12-12$21.27$76.151,210,600
2007-12-11$21.20$75.901,778,200
2007-12-10$21.40$76.621,549,800
2007-12-07$21.20$75.90760,600
2007-12-06$21.32$76.331,090,600
2007-12-05$21.26$76.142,786,400
2007-12-04$20.93$74.941,144,600
2007-12-03$20.72$74.171,014,400
2007-11-30$20.76$74.331,435,400
2007-11-29$20.52$73.47928,000
2007-11-28$20.75$74.27879,600
2007-11-27$20.51$73.452,150,600
2007-11-26$20.20$72.321,577,800
2007-11-23$20.28$72.61456,800
2007-11-21$20.43$73.151,104,200
2007-11-20$20.65$73.932,159,200
2007-11-19$20.56$73.611,430,000
2007-11-16$20.53$73.501,437,800
2007-11-15$20.55$73.581,766,800
2007-11-14$20.44$73.181,509,800
2007-11-13$20.40$73.041,781,200
2007-11-12$20.12$72.021,270,600
2007-11-09$20.49$73.341,416,400
2007-11-08$20.47$73.271,855,400
2007-11-07$19.96$71.451,523,200
2007-11-06$19.82$70.961,369,000
2007-11-05$19.69$70.501,313,000
2007-11-02$20.05$71.771,604,000
2007-11-01$19.73$70.64567,600
2007-10-31$20.00$71.61843,800
2007-10-30$19.73$70.64464,000
2007-10-29$19.61$70.191,691,200
2007-10-26$19.76$70.18742,400
2007-10-25$19.30$68.54817,600
2007-10-24$19.08$67.75718,600
2007-10-23$19.07$67.73552,000
2007-10-22$19.07$67.73685,600
2007-10-19$18.91$67.16682,800
2007-10-18$19.21$68.21656,800
2007-10-17$19.36$68.741,087,800
2007-10-16$19.50$69.26786,600
2007-10-15$19.73$70.071,108,200
2007-10-12$20.18$71.691,028,000
2007-10-11$19.97$70.911,468,000
2007-10-10$19.71$70.00937,600
2007-10-09$19.61$69.63875,000
2007-10-08$19.42$68.99529,600
2007-10-05$19.51$69.311,123,800
2007-10-04$19.53$69.361,026,600
2007-10-03$19.42$68.951,141,800
2007-10-02$19.53$69.36768,800
2007-10-01$19.63$69.701,170,200
2007-09-28$19.16$68.05790,000
2007-09-27$19.33$68.65516,200
2007-09-26$19.48$69.17789,000
2007-09-25$19.10$67.83563,800
2007-09-24$19.09$67.82808,000
2007-09-21$18.99$67.431,494,000
2007-09-20$19.00$67.46745,200
2007-09-19$19.37$68.791,131,400
2007-09-18$18.87$67.02660,000
2007-09-17$18.42$65.42692,000
2007-09-14$18.51$65.74695,800
2007-09-13$18.51$65.76809,200
2007-09-12$18.67$66.331,071,400
2007-09-11$18.83$66.88807,000
2007-09-10$18.92$67.211,069,800
2007-09-07$18.65$66.221,125,000
2007-09-06$18.99$67.43566,600
2007-09-05$18.75$66.571,247,200
2007-09-04$19.06$67.67847,400
2007-08-31$18.94$67.27976,800
2007-08-30$19.00$67.50449,600
2007-08-29$19.16$68.05687,400
2007-08-28$18.75$66.61845,800
2007-08-27$19.17$68.08697,600
2007-08-24$19.63$69.70848,000
2007-08-23$19.49$69.22953,000
2007-08-22$19.51$69.291,262,800
2007-08-21$19.50$69.261,079,600
2007-08-20$19.29$68.511,351,200
2007-08-17$19.12$67.911,935,200
2007-08-16$18.72$66.482,360,800
2007-08-15$18.52$65.771,752,600
2007-08-14$18.67$66.331,638,000
2007-08-13$18.91$67.142,324,800
2007-08-10$18.53$65.793,176,800
2007-08-09$17.91$63.592,988,600
2007-08-08$18.88$67.042,526,800
2007-08-07$19.00$67.482,704,000
2007-08-06$18.36$65.192,242,200
2007-08-03$18.15$64.461,139,000
2007-08-02$18.97$67.37789,600
2007-08-01$18.98$67.391,020,200
2007-07-31$18.48$65.611,217,400
2007-07-30$18.83$66.881,020,000
2007-07-27$18.68$66.361,081,600
2007-07-26$19.20$67.621,497,600
2007-07-25$19.31$67.99883,800
2007-07-24$19.26$67.85692,000
2007-07-23$20.04$70.57659,200
2007-07-20$20.20$71.151,132,800
2007-07-19$20.33$71.621,277,000
2007-07-18$20.01$70.50765,800
2007-07-17$19.83$69.83938,400
2007-07-16$19.76$69.601,097,600
2007-07-13$19.99$70.41673,400
2007-07-12$19.78$69.67708,600
2007-07-11$19.50$68.701,165,600
2007-07-10$19.33$68.101,123,200
2007-07-09$19.53$68.79709,600
2007-07-06$19.48$68.61736,400
2007-07-05$19.53$68.77974,000
2007-07-03$19.74$69.53688,400
2007-07-02$19.76$69.601,014,800
2007-06-29$19.42$68.421,195,400
2007-06-28$19.40$68.31596,600
2007-06-27$19.44$68.47926,400
2007-06-26$19.29$67.94989,400
2007-06-25$19.31$67.991,220,000
2007-06-22$19.20$67.621,834,800
2007-06-21$19.36$68.191,630,000
2007-06-20$19.04$67.041,924,400
2007-06-19$19.80$69.72740,800
2007-06-18$19.85$69.91721,000
2007-06-15$20.03$70.531,446,400
2007-06-14$19.99$70.41783,000
2007-06-13$20.00$70.441,104,000
2007-06-12$19.57$68.931,109,400
2007-06-11$20.00$70.441,272,800
2007-06-08$19.97$70.321,217,200
2007-06-07$19.80$69.742,522,400
2007-06-06$20.62$72.63989,600
2007-06-05$21.07$74.211,351,400
2007-06-04$21.48$75.64912,200
2007-06-01$21.68$76.381,276,600
2007-05-31$21.60$76.081,630,800
2007-05-30$21.74$76.551,046,200
2007-05-29$21.46$75.581,137,200
2007-05-25$21.22$74.74918,200
2007-05-24$21.40$75.371,522,600
2007-05-23$22.08$77.791,187,400
2007-05-22$22.37$78.79826,600
2007-05-21$22.38$78.81886,600
2007-05-18$22.30$78.53749,000
2007-05-17$22.22$78.261,090,600
2007-05-16$22.27$78.44826,200
2007-05-15$22.12$77.891,305,800
2007-05-14$22.19$78.16866,000
2007-05-11$22.18$78.141,799,400
2007-05-10$22.12$77.91661,600
2007-05-09$22.41$78.931,005,800
2007-05-08$22.57$79.491,128,400
2007-05-07$22.64$79.741,913,600
2007-05-04$22.50$79.251,427,800
2007-05-03$22.40$78.88785,800
2007-05-02$22.39$78.84638,200
2007-05-01$22.32$78.611,386,200
2007-04-30$21.90$77.131,080,400
2007-04-27$22.40$78.90555,400
2007-04-26$22.43$79.021,075,600
2007-04-25$22.87$79.99857,000
2007-04-24$22.67$79.31864,200
2007-04-23$22.56$78.891,127,800
2007-04-20$22.50$78.68873,400
2007-04-19$22.27$77.89617,000
2007-04-18$22.32$78.07803,800
2007-04-17$22.25$77.84616,800
2007-04-16$22.21$77.68864,800
2007-04-13$22.15$77.46858,400
2007-04-12$22.07$77.181,638,800
2007-04-11$21.87$76.481,513,800
2007-04-10$22.19$77.61882,200
2007-04-09$22.18$77.581,054,400
2007-04-05$22.17$77.54720,800
2007-04-04$22.21$77.681,535,600
2007-04-03$22.33$78.101,923,400
2007-04-02$22.82$79.80935,200
2007-03-30$22.41$78.38857,200
2007-03-29$22.61$79.08510,400
2007-03-28$22.58$78.98685,600
2007-03-27$22.59$79.03903,400
2007-03-26$22.62$79.101,418,400
2007-03-23$22.64$79.171,077,600
2007-03-22$22.84$79.891,065,800
2007-03-21$22.74$79.521,889,600
2007-03-20$22.61$79.061,414,200
2007-03-19$22.35$78.171,146,600
2007-03-16$22.14$77.441,639,800
2007-03-15$22.23$77.741,424,200
2007-03-14$21.99$76.903,336,400
2007-03-13$21.78$76.162,407,600
2007-03-12$21.98$76.861,960,200
2007-03-09$21.66$75.741,766,800
2007-03-08$21.40$74.851,782,400
2007-03-07$21.18$74.081,752,200
2007-03-06$21.08$73.732,100,000
2007-03-05$20.60$72.051,719,400
2007-03-02$20.82$72.801,426,400
2007-03-01$21.16$73.991,397,000
2007-02-28$20.91$73.142,016,000
2007-02-27$21.03$73.561,269,200
2007-02-26$21.72$75.951,416,800
2007-02-23$21.60$75.551,228,600
2007-02-22$21.48$75.111,388,800
2007-02-21$21.45$75.021,947,600
2007-02-20$21.48$75.131,717,800
2007-02-16$21.15$73.961,457,600
2007-02-15$21.07$73.702,604,200
2007-02-14$20.99$73.421,893,800
2007-02-13$20.64$72.192,582,600
2007-02-12$20.23$70.763,330,800
2007-02-09$19.58$68.482,090,200
2007-02-08$19.37$67.732,236,800
2007-02-07$18.78$65.69557,200
2007-02-06$18.78$65.69951,600
2007-02-05$18.58$64.97703,600
2007-02-02$18.45$64.512,250,000
2007-02-01$18.30$64.01919,600
2007-01-31$18.17$63.57467,400
2007-01-30$18.28$63.94336,200
2007-01-29$18.22$63.73722,800
2007-01-26$18.19$63.07895,200
2007-01-25$18.09$62.72861,400
2007-01-24$18.28$63.36569,800
2007-01-23$18.18$63.031,076,400
2007-01-22$18.38$63.71618,800
2007-01-19$18.35$63.621,114,400
2007-01-18$17.97$62.301,135,000
2007-01-17$18.18$63.03686,600
2007-01-16$18.15$62.93966,800
2007-01-12$18.46$64.00773,800
2007-01-11$18.44$63.93585,200
2007-01-10$18.50$64.16343,000
2007-01-09$18.48$64.07648,200
2007-01-08$18.48$64.051,197,400
2007-01-05$18.56$64.331,003,600
2007-01-04$19.08$66.15743,800
2007-01-03$18.93$65.651,308,000