American Superconductor Corporation (AMSC)

NASDAQ: AMSC · Real-Time Price · USD

33.03

-0.07 (-0.20%)

At close: Jul 17, 2026, 4:00 PM EDT

33.28

+0.26 (0.77%)

After-hours: Jul 17, 2026, 7:57 PM EDT

American Superconductor Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jul 17, 2026	31.58	33.98	31.41	33.03	33.03	-0.20%	608,307
Jul 16, 2026	34.22	34.24	32.34	33.09	33.09	-6.26%	575,760
Jul 15, 2026	35.55	36.40	34.22	35.30	35.30	-0.45%	527,465
Jul 14, 2026	35.50	35.80	35.03	35.46	35.46	3.74%	418,289
Jul 13, 2026	35.10	35.55	33.97	34.18	34.18	-4.95%	555,320
Jul 10, 2026	37.17	37.72	35.76	35.96	35.96	-3.26%	561,166
Jul 9, 2026	37.66	37.81	36.49	37.17	37.17	3.25%	665,306
Jul 8, 2026	34.62	36.17	34.18	36.00	36.00	1.27%	829,273
Jul 7, 2026	37.02	37.20	34.50	35.55	35.55	-6.77%	734,063
Jul 6, 2026	37.61	39.11	37.34	38.13	38.13	2.75%	845,755
Jul 2, 2026	40.10	40.45	36.28	37.11	37.11	-7.04%	876,504
Jul 1, 2026	40.64	41.49	39.60	39.92	39.92	-3.83%	710,309
Jun 30, 2026	39.89	41.67	39.51	41.51	41.51	4.22%	710,074
Jun 29, 2026	40.24	41.40	37.81	39.83	39.83	0.25%	841,553
Jun 26, 2026	38.96	41.19	38.02	39.73	39.73	-1.37%	2,160,370
Jun 25, 2026	41.93	42.84	40.07	40.28	40.28	-1.40%	962,199
Jun 24, 2026	42.13	42.24	39.60	40.85	40.85	-1.87%	847,992
Jun 23, 2026	42.04	44.11	41.60	41.63	41.63	-8.15%	767,177
Jun 22, 2026	43.72	45.43	42.99	45.33	45.33	4.44%	1,035,096
Jun 18, 2026	41.49	43.49	40.44	43.40	43.40	8.15%	1,124,987
Jun 17, 2026	40.57	42.18	40.07	40.13	40.13	-0.82%	799,909
Jun 16, 2026	41.07	42.36	40.35	40.46	40.46	-1.49%	1,115,873
Jun 15, 2026	42.06	42.98	40.52	41.07	41.07	2.62%	924,785
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