NASDAQ:AMSC | Historical Stock Price | AMERICAN SUPERCONDUCTOR CORP /DE/

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
1991-12-12 to 2026-09-04
Data captured

Stock Price Chart

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

$3.07$8.94$26.03$75.81$220.81$643.121991-12-122026-08-27

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

View year

Historical Stock Price — 2016

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2016-12-30$7.37$7.3776,900
2016-12-29$7.57$7.5759,700
2016-12-28$7.56$7.5663,100
2016-12-27$7.89$7.89100,000
2016-12-23$7.54$7.5441,400
2016-12-22$7.45$7.4560,500
2016-12-21$7.60$7.6061,400
2016-12-20$7.72$7.7257,600
2016-12-19$7.77$7.7771,000
2016-12-16$7.71$7.7182,700
2016-12-15$7.88$7.8848,600
2016-12-14$7.92$7.9233,000
2016-12-13$8.26$8.2627,000
2016-12-12$8.13$8.1342,900
2016-12-09$8.09$8.0942,300
2016-12-08$7.94$7.9472,100
2016-12-07$8.02$8.0246,700
2016-12-06$7.84$7.8430,900
2016-12-05$7.82$7.8256,800
2016-12-02$7.76$7.7621,900
2016-12-01$7.79$7.7932,200
2016-11-30$7.74$7.7428,700
2016-11-29$7.75$7.7548,100
2016-11-28$8.04$8.0427,900
2016-11-25$8.15$8.1511,000
2016-11-23$8.11$8.1140,100
2016-11-22$8.24$8.2470,300
2016-11-21$8.03$8.0328,200
2016-11-18$8.05$8.0544,300
2016-11-17$8.17$8.1761,000
2016-11-16$8.15$8.1545,300
2016-11-15$8.04$8.0462,600
2016-11-14$8.25$8.2579,800
2016-11-11$8.44$8.44166,900
2016-11-10$7.81$7.81111,000
2016-11-09$7.53$7.53119,100
2016-11-08$7.38$7.3841,600
2016-11-07$7.57$7.57111,000
2016-11-04$7.12$7.12109,800
2016-11-03$6.69$6.69115,000
2016-11-02$6.65$6.65109,300
2016-11-01$6.16$6.1696,400
2016-10-31$6.41$6.41158,600
2016-10-28$6.90$6.9022,200
2016-10-27$6.87$6.8725,000
2016-10-26$7.03$7.0328,900
2016-10-25$7.04$7.0439,700
2016-10-24$7.10$7.1026,700
2016-10-21$7.15$7.1546,400
2016-10-20$6.91$6.9125,200
2016-10-19$6.92$6.9245,900
2016-10-18$6.68$6.6846,800
2016-10-17$6.71$6.7129,100
2016-10-14$6.76$6.7638,500
2016-10-13$6.93$6.9323,000
2016-10-12$7.02$7.0236,400
2016-10-11$7.14$7.1442,100
2016-10-10$7.36$7.3659,200
2016-10-07$6.96$6.9630,100
2016-10-06$7.03$7.0323,300
2016-10-05$7.10$7.1033,300
2016-10-04$7.03$7.0335,200
2016-10-03$7.08$7.0825,700
2016-09-30$7.01$7.0129,700
2016-09-29$6.96$6.9664,600
2016-09-28$7.06$7.0633,100
2016-09-27$7.01$7.0129,700
2016-09-26$6.89$6.8948,300
2016-09-23$6.83$6.8327,200
2016-09-22$6.94$6.9477,600
2016-09-21$6.88$6.8849,500
2016-09-20$6.80$6.8032,900
2016-09-19$6.72$6.7284,800
2016-09-16$6.32$6.32151,000
2016-09-15$6.38$6.3892,300
2016-09-14$6.52$6.5276,200
2016-09-13$6.71$6.7189,100
2016-09-12$6.98$6.9863,000
2016-09-09$6.99$6.9964,100
2016-09-08$7.31$7.3153,000
2016-09-07$7.24$7.2445,300
2016-09-06$7.03$7.0355,400
2016-09-02$7.14$7.1434,500
2016-09-01$7.06$7.0644,200
2016-08-31$7.08$7.0831,500
2016-08-30$7.22$7.2234,800
2016-08-29$7.14$7.1431,000
2016-08-26$7.11$7.1144,600
2016-08-25$7.21$7.2151,500
2016-08-24$7.09$7.0965,100
2016-08-23$7.49$7.49173,400
2016-08-22$6.86$6.8635,300
2016-08-19$6.86$6.8670,800
2016-08-18$7.01$7.01103,400
2016-08-17$6.77$6.7748,300
2016-08-16$6.87$6.8763,200
2016-08-15$6.82$6.8295,400
2016-08-12$6.75$6.7595,500
2016-08-11$6.70$6.70226,700
2016-08-10$7.17$7.17195,600
2016-08-09$7.19$7.19747,600
2016-08-08$9.30$9.30100,000
2016-08-05$8.98$8.9853,600
2016-08-04$8.86$8.8626,100
2016-08-03$8.89$8.8944,200
2016-08-02$8.90$8.9037,600
2016-08-01$9.08$9.0843,100
2016-07-29$9.18$9.1860,800
2016-07-28$9.05$9.0553,600
2016-07-27$9.00$9.0065,700
2016-07-26$8.83$8.8333,000
2016-07-25$8.71$8.7129,700
2016-07-22$8.78$8.7837,100
2016-07-21$8.79$8.7970,800
2016-07-20$8.82$8.8291,900
2016-07-19$8.84$8.8473,000
2016-07-18$9.29$9.2963,700
2016-07-15$9.26$9.2659,600
2016-07-14$9.19$9.1951,900
2016-07-13$9.28$9.2875,100
2016-07-12$9.51$9.51110,300
2016-07-11$9.12$9.12203,000
2016-07-08$8.71$8.7164,800
2016-07-07$8.52$8.52128,400
2016-07-06$8.49$8.4980,700
2016-07-05$8.36$8.3696,000
2016-07-01$8.46$8.4688,100
2016-06-30$8.44$8.44117,600
2016-06-29$8.57$8.57149,500
2016-06-28$8.34$8.34193,300
2016-06-27$7.93$7.93200,800
2016-06-24$8.19$8.191,291,000
2016-06-23$8.73$8.73143,800
2016-06-22$8.57$8.57111,100
2016-06-21$8.90$8.90154,200
2016-06-20$8.37$8.3770,400
2016-06-17$8.27$8.2786,000
2016-06-16$8.32$8.3295,400
2016-06-15$8.56$8.56245,300
2016-06-14$8.60$8.6090,200
2016-06-13$8.59$8.5995,400
2016-06-10$8.81$8.81208,700
2016-06-09$9.09$9.09200,600
2016-06-08$8.75$8.75165,500
2016-06-07$8.37$8.37210,900
2016-06-06$8.17$8.17252,800
2016-06-03$8.66$8.66169,900
2016-06-02$8.75$8.75248,900
2016-06-01$9.26$9.26359,700
2016-05-31$9.77$9.77258,400
2016-05-27$10.45$10.4599,200
2016-05-26$10.45$10.4586,800
2016-05-25$10.62$10.6274,200
2016-05-24$10.49$10.4981,300
2016-05-23$10.70$10.7070,200
2016-05-20$10.57$10.5766,100
2016-05-19$10.77$10.77124,100
2016-05-18$10.04$10.04103,600
2016-05-17$10.19$10.1965,200
2016-05-16$10.85$10.85132,700
2016-05-13$10.54$10.5473,200
2016-05-12$10.98$10.98141,800
2016-05-11$11.50$11.5070,100
2016-05-10$11.36$11.3671,300
2016-05-09$11.11$11.1199,200
2016-05-06$11.44$11.44126,300
2016-05-05$11.90$11.90340,700
2016-05-04$11.73$11.73351,700
2016-05-03$10.76$10.76139,600
2016-05-02$10.89$10.89268,400
2016-04-29$9.96$9.9690,700
2016-04-28$9.61$9.6156,700
2016-04-27$9.79$9.7982,300
2016-04-26$9.76$9.76189,800
2016-04-25$8.97$8.9731,000
2016-04-22$8.79$8.7925,900
2016-04-21$8.67$8.6747,300
2016-04-20$8.73$8.7346,200
2016-04-19$8.57$8.5735,300
2016-04-18$8.31$8.3143,800
2016-04-15$8.25$8.2526,400
2016-04-14$8.22$8.2236,900
2016-04-13$8.10$8.1029,200
2016-04-12$7.99$7.9924,200
2016-04-11$7.93$7.9380,000
2016-04-08$8.25$8.2586,400
2016-04-07$8.64$8.6464,300
2016-04-06$8.47$8.4787,500
2016-04-05$8.22$8.22129,400
2016-04-04$8.00$8.0063,000
2016-04-01$8.07$8.0790,000
2016-03-31$7.60$7.6034,100
2016-03-30$7.52$7.5229,200
2016-03-29$7.51$7.5153,400
2016-03-28$7.30$7.3026,900
2016-03-24$7.45$7.4519,500
2016-03-23$7.44$7.4468,200
2016-03-22$7.70$7.7016,500
2016-03-21$7.72$7.7278,700
2016-03-18$7.64$7.6463,500
2016-03-17$7.41$7.4152,900
2016-03-16$7.36$7.3669,200
2016-03-15$7.38$7.3840,000
2016-03-14$7.53$7.5348,800
2016-03-11$7.69$7.6965,600
2016-03-10$7.76$7.76136,000
2016-03-09$8.41$8.4180,800
2016-03-08$8.69$8.69318,800
2016-03-07$7.96$7.96103,700
2016-03-04$7.41$7.4165,300
2016-03-03$7.55$7.5593,900
2016-03-02$7.29$7.29118,800
2016-03-01$6.84$6.8480,900
2016-02-29$6.85$6.85100,000
2016-02-26$6.53$6.5346,500
2016-02-25$6.33$6.3322,800
2016-02-24$6.26$6.2636,000
2016-02-23$6.01$6.0122,000
2016-02-22$6.14$6.1418,500
2016-02-19$5.90$5.9052,600
2016-02-18$5.97$5.9723,000
2016-02-17$6.02$6.0232,200
2016-02-16$5.89$5.8931,600
2016-02-12$5.61$5.61107,300
2016-02-11$5.90$5.9062,100
2016-02-10$6.52$6.5241,600
2016-02-09$6.51$6.51126,900
2016-02-08$6.60$6.6095,300
2016-02-05$6.76$6.7672,300
2016-02-04$6.81$6.81127,500
2016-02-03$6.38$6.3844,000
2016-02-02$6.35$6.3558,100
2016-02-01$6.04$6.0434,200
2016-01-29$6.27$6.2775,600
2016-01-28$5.82$5.8226,300
2016-01-27$5.97$5.9735,300
2016-01-26$6.03$6.0381,800
2016-01-25$5.85$5.8555,800
2016-01-22$6.30$6.30138,600
2016-01-21$5.98$5.9885,700
2016-01-20$6.14$6.14275,000
2016-01-19$5.79$5.79117,200
2016-01-15$6.39$6.39137,300
2016-01-14$5.81$5.8196,000
2016-01-13$5.86$5.86117,500
2016-01-12$5.81$5.8166,800
2016-01-11$5.78$5.78163,100
2016-01-08$5.97$5.97101,300
2016-01-07$6.19$6.1997,500
2016-01-06$6.48$6.4885,200
2016-01-05$6.82$6.82103,200
2016-01-04$6.63$6.63124,900