American Superconductor Corporation (AMSC)

NASDAQ: AMSC · Real-Time Price · USD

39.73

-0.55 (-1.37%)

At close: Jun 26, 2026, 4:00 PM EDT

39.60

-0.13 (-0.33%)

After-hours: Jun 26, 2026, 7:47 PM EDT

American Superconductor Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jun 26, 2026	38.96	41.19	38.02	39.73	39.73	-1.37%	2,076,000
Jun 25, 2026	41.93	42.84	40.07	40.28	40.28	-1.40%	960,363
Jun 24, 2026	42.13	42.24	39.60	40.85	40.85	-1.87%	839,526
Jun 23, 2026	42.04	44.11	41.60	41.63	41.63	-8.15%	765,792
Jun 22, 2026	43.72	45.43	42.99	45.33	45.33	4.44%	1,030,606
Jun 18, 2026	41.49	43.49	40.44	43.40	43.40	8.15%	1,120,234
Jun 17, 2026	40.57	42.18	40.07	40.13	40.13	-0.82%	796,774
Jun 16, 2026	41.07	42.36	40.35	40.46	40.46	-1.49%	1,113,683
Jun 15, 2026	42.06	42.98	40.52	41.07	41.07	2.62%	920,519
Jun 12, 2026	39.51	40.62	38.71	40.02	40.02	1.29%	812,097
Jun 11, 2026	37.44	39.54	36.71	39.51	39.51	7.42%	1,842,920
Jun 10, 2026	40.29	40.96	36.72	36.78	36.78	-9.25%	2,420,049
Jun 9, 2026	43.66	44.76	38.92	40.53	40.53	-6.48%	1,558,694
Jun 8, 2026	42.86	44.39	40.76	43.34	43.34	2.36%	1,583,255
Jun 5, 2026	45.34	45.95	41.20	42.34	42.34	-8.75%	1,820,755
Jun 4, 2026	45.64	47.24	45.19	46.40	46.40	-0.58%	1,263,829
Jun 3, 2026	51.00	51.30	46.24	46.67	46.67	-8.79%	1,478,527
Jun 2, 2026	51.46	52.55	48.87	51.17	51.17	0.04%	1,281,733
Jun 1, 2026	49.47	51.99	48.77	51.15	51.15	0.41%	1,133,995
May 29, 2026	51.19	53.37	48.52	50.94	50.94	-0.76%	1,336,647
May 28, 2026	50.00	51.37	45.46	51.33	51.33	-2.56%	3,439,465
May 27, 2026	53.60	55.09	51.55	52.68	52.68	-0.83%	1,942,181
May 26, 2026	54.00	54.40	51.28	53.12	53.12	2.47%	1,179,384
May 22, 2026	50.28	52.48	48.86	51.84	51.84	4.90%	746,642
May 21, 2026	48.64	50.66	48.39	49.42	49.42	0.41%	659,823
May 20, 2026	48.46	50.10	47.22	49.22	49.22	4.52%	933,307
May 19, 2026	48.10	48.62	45.72	47.09	47.09	-6.10%	1,168,371
May 18, 2026	54.86	55.11	48.52	50.15	50.15	-8.92%	1,264,214
May 15, 2026	51.53	55.24	50.32	55.06	55.06	0.66%	1,059,765
May 14, 2026	55.73	55.78	52.58	54.70	54.70	-1.85%	1,210,718
May 13, 2026	55.81	56.25	53.00	55.73	55.73	2.24%	977,276
May 12, 2026	57.04	57.05	51.32	54.51	54.51	-7.17%	1,314,800
May 11, 2026	55.10	60.18	54.81	58.72	58.72	6.40%	1,749,703
May 8, 2026	54.37	55.68	53.47	55.19	55.19	3.70%	859,757
May 7, 2026	56.09	56.90	52.66	53.22	53.22	-6.75%	1,201,571
May 6, 2026	55.59	57.18	53.71	57.07	57.07	3.74%	1,080,324
May 5, 2026	50.99	55.70	50.99	55.01	55.01	9.36%	1,400,576
May 4, 2026	52.51	53.00	48.53	50.30	50.30	-4.21%	1,068,761
May 1, 2026	53.22	54.20	51.42	52.51	52.51	-1.92%	1,310,429
Apr 30, 2026	49.23	53.65	48.00	53.54	53.54	12.24%	1,863,819
Apr 29, 2026	47.79	48.60	45.69	47.70	47.70	0.42%	1,293,242
Apr 28, 2026	47.91	49.49	45.57	47.50	47.50	-4.31%	1,769,648
Apr 27, 2026	52.39	52.39	46.01	49.64	49.64	0.32%	2,525,355
Apr 24, 2026	48.14	50.78	45.50	49.48	49.48	7.22%	2,319,312
Apr 23, 2026	51.25	51.47	44.47	46.15	46.15	-4.15%	2,644,641
Apr 22, 2026	43.40	48.23	43.40	48.15	48.15	14.83%	2,463,651
Apr 21, 2026	41.36	42.93	40.75	41.93	41.93	2.95%	1,586,955
Apr 20, 2026	39.37	40.84	38.81	40.73	40.73	2.54%	692,339
Apr 17, 2026	39.00	40.75	38.13	39.72	39.72	4.61%	1,058,393
Apr 16, 2026	37.86	38.59	36.89	37.97	37.97	0.61%	917,306
Apr 15, 2026	40.00	40.04	37.21	37.74	37.74	-4.33%	1,293,983
Apr 14, 2026	39.00	39.60	37.25	39.45	39.45	4.34%	993,882
Apr 13, 2026	37.29	38.11	36.54	37.81	37.81	0.27%	796,886
Apr 10, 2026	36.50	39.25	36.35	37.71	37.71	4.32%	1,238,430
Apr 9, 2026	32.87	36.41	32.87	36.15	36.15	9.48%	1,408,124
Apr 8, 2026	33.73	34.28	32.68	33.02	33.02	4.69%	918,462
Apr 7, 2026	32.10	32.27	30.87	31.54	31.54	-3.31%	562,637
Apr 6, 2026	32.37	32.99	31.97	32.62	32.62	1.65%	380,864
Apr 2, 2026	31.33	32.89	30.96	32.09	32.09	-1.72%	630,615
Apr 1, 2026	34.26	35.05	32.60	32.65	32.65	-3.55%	633,709
Mar 31, 2026	32.60	34.28	32.18	33.85	33.85	5.09%	1,135,615
Mar 30, 2026	33.87	33.87	31.36	32.21	32.21	-4.48%	1,978,075
Mar 27, 2026	31.64	34.04	31.64	33.72	33.72	4.36%	1,042,041
Mar 26, 2026	32.56	34.27	32.21	32.31	32.31	-3.72%	1,573,076
Mar 25, 2026	32.87	34.65	32.57	33.56	33.56	4.19%	946,953
Mar 24, 2026	30.00	32.73	30.00	32.21	32.21	4.58%	893,656
Mar 23, 2026	29.53	30.95	28.82	30.80	30.80	7.17%	1,547,991
Mar 20, 2026	30.47	30.78	28.55	28.74	28.74	-6.29%	1,246,301
Mar 19, 2026	29.03	31.20	28.69	30.67	30.67	1.76%	505,041
Mar 18, 2026	31.10	31.67	30.11	30.14	30.14	-3.30%	621,334
Mar 17, 2026	30.83	31.55	30.56	31.17	31.17	0.87%	503,727
Mar 16, 2026	32.15	32.50	30.11	30.90	30.90	-0.39%	637,575
Mar 13, 2026	29.68	31.19	29.68	31.02	31.02	6.02%	925,420
Mar 12, 2026	29.70	30.03	28.82	29.26	29.26	-4.57%	666,633
Mar 11, 2026	29.45	30.83	29.33	30.66	30.66	3.30%	725,863
Mar 10, 2026	29.00	30.23	28.96	29.68	29.68	2.20%	917,507
Mar 9, 2026	27.09	29.11	26.46	29.04	29.04	4.84%	1,292,092
Mar 6, 2026	29.91	30.47	27.69	27.70	27.70	-10.18%	1,531,702
Mar 5, 2026	31.35	31.70	30.01	30.84	30.84	-3.20%	688,375
Mar 4, 2026	31.92	32.55	31.39	31.86	31.86	2.48%	444,016
Mar 3, 2026	31.40	31.58	30.08	31.09	31.09	-5.82%	718,811
Mar 2, 2026	30.20	33.38	30.08	33.01	33.01	1.32%	804,052
Feb 27, 2026	33.15	33.62	32.38	32.58	32.58	-5.95%	805,397
Feb 26, 2026	34.30	34.81	33.20	34.64	34.64	-0.12%	615,011
Feb 25, 2026	33.90	35.81	33.80	34.68	34.68	2.88%	699,301
Feb 24, 2026	32.31	34.24	32.05	33.71	33.71	3.69%	820,897
Feb 23, 2026	33.61	34.35	32.01	32.51	32.51	-4.49%	801,736
Feb 20, 2026	33.17	35.53	32.50	34.04	34.04	0.77%	1,173,308
Feb 19, 2026	34.53	35.06	33.00	33.78	33.78	-2.88%	986,179
Feb 18, 2026	37.40	38.11	34.00	34.78	34.78	-5.13%	1,764,505
Feb 17, 2026	33.64	36.82	32.62	36.66	36.66	7.01%	1,667,216
Feb 13, 2026	31.95	34.53	31.05	34.26	34.26	7.23%	1,435,297
Feb 12, 2026	34.99	35.50	31.81	31.95	31.95	-6.74%	1,520,007
Feb 11, 2026	33.49	34.82	31.21	34.26	34.26	7.47%	2,737,608
Feb 10, 2026	28.64	32.36	28.07	31.88	31.88	10.73%	3,315,608
Feb 9, 2026	28.13	30.13	27.74	28.79	28.79	2.20%	1,079,774
Feb 6, 2026	26.36	28.36	25.28	28.17	28.17	8.55%	2,060,964
Feb 5, 2026	31.76	31.85	24.87	25.95	25.95	-6.01%	3,549,139
Feb 4, 2026	30.10	30.17	26.92	27.61	27.61	-7.97%	1,912,055
Feb 3, 2026	30.90	31.24	28.75	30.00	30.00	-0.07%	1,010,698