NASDAQ:ASTL | Historical Stock Price | Algoma Steel Group Inc.

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
2021-03-04 to 2026-09-04
Data captured

Stock Price Chart

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

$3.14$4.22$5.65$7.58$10.16$13.622021-03-042026-08-27

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

View year

Historical Stock Price — 2025

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2025-12-31$4.10$4.52992,200
2025-12-30$4.07$4.49577,000
2025-12-29$4.10$4.52759,700
2025-12-26$4.15$4.58545,100
2025-12-24$4.17$4.60423,400
2025-12-23$4.18$4.61605,900
2025-12-22$4.29$4.73793,000
2025-12-19$4.32$4.762,088,400
2025-12-18$4.43$4.88979,500
2025-12-17$4.35$4.80968,200
2025-12-16$4.46$4.92435,000
2025-12-15$4.40$4.85640,300
2025-12-12$4.53$4.99997,700
2025-12-11$4.61$5.081,190,900
2025-12-10$4.30$4.74643,500
2025-12-09$4.30$4.741,214,600
2025-12-08$4.07$4.49828,200
2025-12-05$4.15$4.581,854,100
2025-12-04$4.15$4.581,033,100
2025-12-03$4.07$4.491,089,800
2025-12-02$3.92$4.321,309,700
2025-12-01$3.89$4.291,403,700
2025-11-28$4.27$4.712,196,600
2025-11-26$3.90$4.301,817,400
2025-11-25$3.64$4.011,135,800
2025-11-24$3.44$3.791,428,700
2025-11-21$3.37$3.724,876,500
2025-11-20$3.28$3.621,827,200
2025-11-19$3.43$3.782,013,400
2025-11-18$3.55$3.911,516,500
2025-11-17$3.49$3.851,149,800
2025-11-14$3.58$3.951,679,800
2025-11-13$3.74$4.121,338,100
2025-11-12$3.92$4.32820,100
2025-11-11$3.73$4.111,133,300
2025-11-10$3.80$4.19952,600
2025-11-07$3.86$4.262,069,600
2025-11-06$3.66$4.042,360,700
2025-11-05$3.98$4.391,886,300
2025-11-04$4.13$4.551,586,400
2025-11-03$4.21$4.641,354,300
2025-10-31$4.17$4.602,484,500
2025-10-30$3.99$4.404,940,000
2025-10-29$4.25$4.691,846,900
2025-10-28$4.26$4.701,130,600
2025-10-27$4.31$4.751,294,900
2025-10-24$4.50$4.962,411,000
2025-10-23$4.63$5.101,643,500
2025-10-22$4.48$4.942,248,300
2025-10-21$4.46$4.925,229,000
2025-10-20$3.99$4.402,526,800
2025-10-17$3.79$4.181,835,800
2025-10-16$3.90$4.292,343,900
2025-10-15$4.41$4.864,202,200
2025-10-14$4.03$4.442,362,800
2025-10-13$3.78$4.171,603,900
2025-10-10$3.53$3.893,292,300
2025-10-09$3.79$4.181,983,900
2025-10-08$3.69$4.073,068,700
2025-10-07$3.67$4.056,396,400
2025-10-06$3.57$3.944,673,000
2025-10-03$3.31$3.652,234,200
2025-10-02$3.19$3.523,226,100
2025-10-01$3.40$3.752,261,700
2025-09-30$3.56$3.923,234,700
2025-09-29$4.09$4.512,597,000
2025-09-26$3.95$4.351,210,000
2025-09-25$3.99$4.401,203,500
2025-09-24$4.16$4.591,331,600
2025-09-23$4.16$4.591,763,200
2025-09-22$4.18$4.611,723,700
2025-09-19$4.39$4.841,906,700
2025-09-18$4.52$4.98777,400
2025-09-17$4.59$5.06996,800
2025-09-16$4.70$5.181,549,300
2025-09-15$4.57$5.041,101,900
2025-09-12$4.55$5.021,241,000
2025-09-11$4.61$5.081,051,700
2025-09-10$4.65$5.131,224,700
2025-09-09$4.68$5.161,155,000
2025-09-08$4.98$5.49724,600
2025-09-05$5.13$5.661,487,300
2025-09-04$4.98$5.491,404,200
2025-09-03$4.80$5.29800,600
2025-09-02$4.83$5.32749,900
2025-08-29$4.87$5.371,009,000
2025-08-28$5.08$5.60804,800
2025-08-27$4.93$5.44975,200
2025-08-26$4.96$5.471,015,700
2025-08-25$5.05$5.571,318,100
2025-08-22$4.93$5.441,399,600
2025-08-21$4.58$5.051,132,600
2025-08-20$4.36$4.811,571,100
2025-08-19$4.41$4.86834,900
2025-08-18$4.53$4.99916,800
2025-08-15$4.55$5.02691,300
2025-08-14$4.67$5.151,375,700
2025-08-13$4.70$5.181,032,200
2025-08-12$4.60$5.071,277,400
2025-08-11$4.37$4.821,462,000
2025-08-08$4.54$5.011,247,400
2025-08-07$4.72$5.20830,600
2025-08-06$4.80$5.291,039,700
2025-08-05$4.96$5.47645,700
2025-08-04$5.01$5.52760,300
2025-08-01$5.14$5.671,547,500
2025-07-31$5.35$5.901,626,700
2025-07-30$5.64$6.222,883,700
2025-07-29$5.85$6.451,337,500
2025-07-28$6.12$6.75773,900
2025-07-25$6.23$6.871,104,200
2025-07-24$6.02$6.631,749,400
2025-07-23$6.77$7.461,131,800
2025-07-22$6.92$7.63471,000
2025-07-21$6.93$7.64573,700
2025-07-18$7.02$7.74857,900
2025-07-17$6.90$7.611,179,600
2025-07-16$6.96$7.671,269,800
2025-07-15$6.63$7.31556,900
2025-07-14$6.70$7.39516,500
2025-07-11$6.98$7.70513,600
2025-07-10$6.99$7.71539,600
2025-07-09$6.94$7.65421,900
2025-07-08$7.01$7.73733,100
2025-07-07$6.99$7.71815,300
2025-07-03$7.09$7.82303,200
2025-07-02$7.11$7.84720,900
2025-07-01$6.91$7.62284,200
2025-06-30$6.89$7.601,025,500
2025-06-27$6.67$7.352,258,000
2025-06-26$6.88$7.591,053,000
2025-06-25$6.69$7.38725,000
2025-06-24$6.89$7.601,053,500
2025-06-23$6.87$7.571,153,100
2025-06-20$6.80$7.502,067,500
2025-06-18$6.66$7.341,263,300
2025-06-17$6.80$7.501,510,200
2025-06-16$6.55$7.221,718,100
2025-06-13$6.15$6.781,035,400
2025-06-12$6.22$6.861,376,000
2025-06-11$6.34$6.992,138,900
2025-06-10$6.09$6.71924,800
2025-06-09$5.86$6.461,623,400
2025-06-06$5.88$6.481,681,600
2025-06-05$5.30$5.841,282,300
2025-06-04$5.31$5.85968,000
2025-06-03$5.11$5.631,407,700
2025-06-02$4.94$5.452,130,700
2025-05-30$5.27$5.81555,200
2025-05-29$5.43$5.99735,800
2025-05-28$5.34$5.89549,800
2025-05-27$5.51$6.07335,400
2025-05-23$5.40$5.95481,400
2025-05-22$5.37$5.92569,800
2025-05-21$5.47$6.03389,100
2025-05-20$5.59$6.16454,300
2025-05-19$5.75$6.34601,800
2025-05-16$5.75$6.34549,600
2025-05-15$5.75$6.34427,300
2025-05-14$5.82$6.42478,200
2025-05-13$6.04$6.66960,600
2025-05-12$6.26$6.851,011,200
2025-05-09$5.98$6.54767,800
2025-05-08$5.81$6.351,326,800
2025-05-07$5.27$5.76426,400
2025-05-06$5.46$5.97851,400
2025-05-05$5.64$6.17914,100
2025-05-02$5.76$6.30816,900
2025-05-01$5.34$5.841,136,600
2025-04-30$5.12$5.591,420,900
2025-04-29$5.07$5.541,522,500
2025-04-28$5.11$5.59965,700
2025-04-25$5.13$5.611,122,000
2025-04-24$5.25$5.741,216,500
2025-04-23$4.93$5.39987,400
2025-04-22$4.85$5.30751,800
2025-04-21$4.85$5.30906,300
2025-04-17$4.80$5.25661,000
2025-04-16$4.71$5.15740,600
2025-04-15$4.55$4.98531,500
2025-04-14$4.59$5.02771,200
2025-04-11$4.65$5.09543,800
2025-04-10$4.60$5.03851,600
2025-04-09$4.91$5.371,486,200
2025-04-08$4.33$4.741,962,100
2025-04-07$4.75$5.192,874,200
2025-04-04$4.68$5.121,935,100
2025-04-03$5.11$5.591,221,700
2025-04-02$5.63$6.161,016,500
2025-04-01$5.44$5.95762,000
2025-03-31$5.42$5.931,043,900
2025-03-28$5.71$6.24808,400
2025-03-27$5.79$6.33692,600
2025-03-26$5.94$6.50592,100
2025-03-25$6.14$6.72478,500
2025-03-24$6.22$6.80642,900
2025-03-21$6.15$6.731,286,400
2025-03-20$6.31$6.85514,300
2025-03-19$6.51$7.06672,300
2025-03-18$6.35$6.89554,600
2025-03-17$6.33$6.87917,300
2025-03-14$6.55$7.112,182,700
2025-03-13$6.24$6.773,735,400
2025-03-12$5.82$6.312,532,600
2025-03-11$5.81$6.302,783,600
2025-03-10$5.50$5.974,081,000
2025-03-07$6.38$6.921,403,200
2025-03-06$6.74$7.311,481,200
2025-03-05$6.84$7.42883,000
2025-03-04$6.54$7.101,769,700
2025-03-03$6.80$7.381,272,500
2025-02-28$7.34$7.96933,900
2025-02-27$7.03$7.631,395,500
2025-02-26$7.23$7.842,794,800
2025-02-25$7.04$7.643,193,100
2025-02-24$7.36$7.99774,700
2025-02-21$7.57$8.21585,300
2025-02-20$7.79$8.45591,600
2025-02-19$7.87$8.54345,300
2025-02-18$8.07$8.76280,400
2025-02-14$7.99$8.67230,700
2025-02-13$8.12$8.81496,100
2025-02-12$8.06$8.75468,100
2025-02-11$8.12$8.81533,100
2025-02-10$8.21$8.91660,000
2025-02-07$8.32$9.03409,900
2025-02-06$8.58$9.31578,300
2025-02-05$8.36$9.07239,400
2025-02-04$8.42$9.14585,300
2025-02-03$8.16$8.85476,600
2025-01-31$8.16$8.85637,300
2025-01-30$8.65$9.39341,500
2025-01-29$8.55$9.28318,300
2025-01-28$8.46$9.18426,300
2025-01-27$8.61$9.34366,700
2025-01-24$8.85$9.60381,400
2025-01-23$8.63$9.36291,000
2025-01-22$8.50$9.22364,500
2025-01-21$8.46$9.18391,600
2025-01-17$8.32$9.03282,800
2025-01-16$8.25$8.95361,700
2025-01-15$8.40$9.11409,800
2025-01-14$8.17$8.86597,000
2025-01-13$8.30$9.012,008,500
2025-01-10$8.23$8.93829,500
2025-01-08$8.33$9.04660,000
2025-01-07$8.61$9.34682,700
2025-01-06$8.82$9.57978,600
2025-01-03$8.94$9.702,559,900
2025-01-02$9.70$10.52297,700