American Superconductor Corporation (AMSC) — Price History

As of 2026-10-16 — refreshed nightly from the Closelooknet data lake. Diary readings, not advice.

Daily prices

Date	Open	High	Low	Close	Chg %	Volume
2026-10-16	26.42	26.85	25.50	25.67	-4.54%	679,800
2026-10-15	24.71	27.05	24.08	26.89	+4.83%	1,134,000
2026-10-14	28.00	28.00	25.38	25.65	-10.66%	1,277,800
2026-10-13	29.18	29.72	28.32	28.71	-3.01%	604,800
2026-10-12	30.43	30.51	29.47	29.60	-3.01%	541,800
2026-10-09	31.30	31.54	30.30	30.52	-1.39%	744,300
2026-10-08	31.14	31.96	30.16	30.95	-2.49%	1,064,400
2026-10-07	30.57	31.97	29.99	31.74	-0.35%	1,368,200
2026-10-06	30.49	32.10	30.25	31.85	+6.24%	846,000
2026-10-05	30.06	30.30	29.24	29.98	-0.10%	487,500
2026-10-02	30.37	30.68	29.69	30.01	+1.73%	534,000
2026-10-01	29.25	30.08	28.20	29.50	+1.34%	665,000
2026-09-30	29.52	29.83	28.95	29.11	-0.21%	742,400
2026-09-29	30.00	30.26	29.02	29.17	-0.41%	659,000
2026-09-28	29.63	29.98	28.83	29.29	-2.40%	525,300
2026-09-25	30.89	31.06	29.96	30.01	-1.35%	676,400
2026-09-24	30.22	30.74	29.69	30.42	-2.03%	700,100
2026-09-23	32.01	32.13	30.78	31.05	-0.61%	877,400
2026-09-22	30.29	31.55	30.04	31.24	+3.31%	922,700
2026-09-21	31.00	31.00	30.12	30.24	+0.17%	570,600
2026-09-18	29.23	30.34	28.85	30.19	+3.57%	993,000
2026-09-17	29.14	29.50	28.77	29.15	+4.82%	650,000
2026-09-16	28.26	28.27	27.26	27.81	+0.40%	733,100
2026-09-15	27.69	27.99	27.28	27.70	+1.54%	722,900
2026-09-14	27.62	28.18	27.20	27.28	-7.62%	890,100
2026-09-11	29.32	29.66	28.97	29.53	+3.04%	394,200
2026-09-10	28.46	29.16	28.08	28.66	-2.22%	554,600
2026-09-09	30.14	30.65	29.28	29.31	-3.71%	901,600
2026-09-08	30.00	31.00	29.90	30.44	+3.01%	853,600
2026-09-04	29.15	29.70	28.94	29.55	+1.86%	469,400
2026-09-03	28.40	29.23	28.27	29.01	+1.83%	446,000
2026-09-02	28.57	28.99	28.03	28.49	-0.25%	596,500
2026-09-01	28.10	28.69	27.51	28.56	-0.52%	808,800
2026-08-31	28.38	28.81	28.10	28.71	+0.77%	755,000
2026-08-28	29.83	29.93	28.30	28.49	-4.52%	665,300
2026-08-27	30.48	30.49	29.30	29.84	+1.19%	541,400
2026-08-26	29.76	30.19	28.91	29.49	-0.54%	586,400
2026-08-25	29.83	29.95	29.36	29.65	+2.52%	441,321
2026-08-24	29.08	29.59	28.09	28.92	-3.63%	1,119,731
2026-08-21	30.51	30.65	29.42	30.01	-0.13%	738,500
2026-08-20	30.98	31.16	29.72	30.05	-3.56%	517,100
2026-08-19	30.80	31.34	29.80	31.16	+0.45%	535,400
2026-08-18	30.80	31.41	30.35	31.02	-3.45%	619,300
2026-08-17	32.01	32.25	31.82	32.13	+0.66%	550,300
2026-08-14	31.99	32.75	31.59	31.92	+1.30%	535,000
2026-08-13	32.01	32.78	31.35	31.51	-2.39%	521,100
2026-08-12	33.30	33.89	32.23	32.28	+0.47%	533,200
2026-08-11	31.64	32.56	31.55	32.13	+3.68%	526,400
2026-08-10	32.81	32.99	30.96	30.99	-5.43%	571,800
2026-08-07	34.00	34.24	31.27	32.77	-0.40%	870,100
2026-08-06	29.64	33.93	28.50	32.90	-0.12%	1,139,100
2026-08-05	33.25	33.63	32.62	32.94	-1.52%	1,056,300
2026-08-04	32.10	33.82	31.54	33.45	+7.94%	859,700
2026-08-03	29.20	31.09	28.87	30.99	+5.52%	665,800
2026-07-31	30.74	31.13	29.15	29.37	-0.27%	661,300
2026-07-30	28.59	29.73	28.07	29.45	+10.55%	766,400
2026-07-29	28.35	28.78	26.34	26.64	-7.34%	1,136,600
2026-07-28	29.76	29.76	27.91	28.75	-5.83%	1,080,900
2026-07-27	31.00	31.28	29.19	30.53	+0.03%	1,379,100
2026-07-24	32.96	32.96	30.20	30.52	-7.52%	1,120,900
2026-07-23	32.82	33.92	32.23	33.00	-1.20%	884,800
2026-07-22	34.55	34.99	33.20	33.40	-3.33%	765,900
2026-07-21	33.56	34.79	33.33	34.55	+6.27%	704,700
2026-07-20	33.52	34.12	32.31	32.51	-1.57%	420,900
2026-07-17	31.58	33.98	31.41	33.03	-0.18%	609,100
2026-07-16	34.22	34.24	32.34	33.09	-6.26%	577,100
2026-07-15	35.55	36.40	34.22	35.30	-0.45%	527,500
2026-07-14	35.50	35.80	35.03	35.46	+3.74%	419,500
2026-07-13	35.10	35.55	33.97	34.18	-4.95%	558,300
2026-07-10	37.17	37.72	35.76	35.96	-3.26%	563,100
2026-07-09	37.66	37.81	36.49	37.17	+3.25%	717,200
2026-07-08	34.62	36.17	34.18	36.00	+1.27%	831,100
2026-07-07	37.02	37.20	34.50	35.55	-6.77%	735,900
2026-07-06	37.61	39.11	37.34	38.13	+2.75%	845,900
2026-07-02	40.10	40.45	36.28	37.11	-7.04%	878,900
2026-07-01	40.64	41.49	39.60	39.92	-3.83%	710,300
2026-06-30	39.89	41.67	39.51	41.51	+4.22%	710,100
2026-06-29	40.24	41.40	37.81	39.83	+0.25%	841,600
2026-06-26	38.96	41.19	38.02	39.73	-1.37%	2,160,400
2026-06-25	41.93	42.84	40.07	40.28	-1.40%	961,300
2026-06-24	42.13	42.24	39.60	40.85	-1.87%	848,000
2026-06-23	42.04	44.11	41.60	41.63	-8.16%	767,200
2026-06-22	43.72	45.43	42.99	45.33	+4.45%	1,035,100
2026-06-18	41.49	43.49	40.44	43.40	+8.15%	1,125,000
2026-06-17	40.57	42.18	40.07	40.13	-0.82%	799,900
2026-06-16	41.07	42.36	40.35	40.46	-1.49%	1,115,500
2026-06-15	42.06	42.98	40.52	41.07	+2.62%	924,200
2026-06-12	39.51	40.62	38.71	40.02	+1.29%	806,200
2026-06-11	37.44	39.54	36.71	39.51	+7.42%	1,842,900
2026-06-10	40.29	40.96	36.72	36.78	-9.25%	2,420,000
2026-06-09	43.66	44.76	38.92	40.53	-6.48%	1,558,700
2026-06-08	42.86	44.39	40.76	43.34	+2.36%	1,583,300
2026-06-05	45.34	45.95	41.20	42.34	-8.75%	1,820,800
2026-06-04	45.64	47.24	45.19	46.40	-0.58%	1,263,800
2026-06-03	51.00	51.30	46.24	46.67	-8.79%	1,478,500
2026-06-02	51.46	52.55	48.87	51.17	+0.04%	1,281,700
2026-06-01	49.47	51.99	48.77	51.15	+0.41%	1,134,000
2026-05-29	51.19	53.37	48.52	50.94	-0.76%	1,335,600
2026-05-28	50.00	51.37	45.46	51.33	-2.56%	3,434,100
2026-05-27	53.60	55.09	51.55	52.68	-0.83%	1,942,200
2026-05-26	54.00	54.40	51.28	53.12	+2.47%	1,169,500
2026-05-22	50.28	52.48	48.86	51.84	+4.90%	745,100
2026-05-21	48.64	50.66	48.39	49.42	+0.41%	659,800
2026-05-20	48.46	50.10	47.22	49.22	+4.52%	933,300
2026-05-19	48.10	48.62	45.72	47.09	-6.10%	1,168,400
2026-05-18	54.86	55.11	48.52	50.15	-8.92%	1,264,200
2026-05-15	51.53	55.24	50.32	55.06	+0.66%	1,059,800
2026-05-14	55.73	55.78	52.58	54.70	-1.85%	1,210,700
2026-05-13	55.81	56.25	53.00	55.73	+2.24%	977,300
2026-05-12	57.04	57.05	51.32	54.51	-7.17%	1,314,800
2026-05-11	55.10	60.18	54.81	58.72	+6.40%	1,749,700
2026-05-08	54.37	55.68	53.47	55.19	+3.70%	859,800
2026-05-07	56.09	56.90	52.66	53.22	-6.75%	1,201,600
2026-05-06	55.59	57.18	53.71	57.07	+3.74%	1,080,300
2026-05-05	50.99	55.70	50.99	55.01	+9.36%	1,400,600
2026-05-04	52.51	53.00	48.53	50.30	-4.21%	1,068,800
2026-05-01	53.22	54.20	51.42	52.51	-1.92%	1,310,400
2026-04-30	49.23	53.65	48.00	53.54	+12.24%	1,863,800
2026-04-29	47.79	48.60	45.69	47.70	+0.42%	1,293,200
2026-04-28	47.91	49.49	45.57	47.50	-4.31%	1,769,600
2026-04-27	52.39	52.39	46.01	49.64	+0.32%	2,525,400
2026-04-24	48.14	50.78	45.50	49.48	+7.22%	2,319,300
2026-04-23	51.25	51.47	44.47	46.15	-4.15%	2,644,600
2026-04-22	43.40	48.23	43.40	48.15	+14.83%	2,463,700
2026-04-21	41.36	42.93	40.75	41.93	+2.95%	1,587,000
2026-04-20	39.37	40.84	38.81	40.73	+2.54%	692,300
2026-04-17	39.00	40.75	38.13	39.72	+4.61%	1,058,400
2026-04-16	37.86	38.59	36.89	37.97	+0.61%	917,300
2026-04-15	40.00	40.04	37.21	37.74	-4.33%	1,294,000
2026-04-14	39.00	39.60	37.25	39.45	+4.34%	993,900
2026-04-13	37.29	38.11	36.54	37.81	+0.27%	796,900
2026-04-10	36.50	39.25	36.35	37.71	+4.32%	1,238,000
2026-04-09	32.87	36.41	32.87	36.15	+9.48%	1,408,100
2026-04-08	33.73	34.28	32.68	33.02	+4.69%	918,500
2026-04-07	32.10	32.27	30.87	31.54	-3.31%	562,600
2026-04-06	32.37	32.99	31.97	32.62	+1.65%	380,900
2026-04-02	31.33	32.89	30.96	32.09	-1.72%	630,500
2026-04-01	34.26	35.05	32.60	32.65	-3.55%	633,700
2026-03-31	32.60	34.28	32.18	33.85	+5.09%	1,135,600
2026-03-30	33.87	33.87	31.36	32.21	-4.48%	1,978,100
2026-03-27	31.64	34.04	31.64	33.72	+4.36%	1,042,000
2026-03-26	32.56	34.27	32.21	32.31	-3.72%	1,573,100
2026-03-25	32.87	34.65	32.57	33.56	+4.19%	946,800
2026-03-24	30.00	32.73	30.00	32.21	+4.58%	893,300
2026-03-23	29.53	30.95	28.82	30.80	+7.17%	1,548,000
2026-03-20	30.47	30.78	28.55	28.74	-6.29%	1,246,100
2026-03-19	29.03	31.20	28.69	30.67	+1.76%	505,000
2026-03-18	31.10	31.67	30.11	30.14	-3.30%	621,300
2026-03-17	30.83	31.55	30.56	31.17	+0.87%	503,700
2026-03-16	32.15	32.50	30.11	30.90	-0.39%	637,200
2026-03-13	29.68	31.19	29.68	31.02	+6.02%	925,400
2026-03-12	29.70	30.03	28.82	29.26	-4.57%	666,600
2026-03-11	29.45	30.83	29.33	30.66	+3.30%	724,000
2026-03-10	29.00	30.23	28.96	29.68	+2.20%	917,507
2026-03-09	27.09	29.11	26.46	29.04	+4.84%	1,292,092
2026-03-06	29.91	30.47	27.69	27.70	-10.18%	1,531,700
2026-03-05	31.35	31.70	30.01	30.84	-3.20%	687,800
2026-03-04	31.92	32.55	31.39	31.86	+2.48%	444,000
2026-03-03	31.40	31.58	30.08	31.09	-5.82%	718,800
2026-03-02	30.20	33.38	30.08	33.01	+1.32%	803,700
2026-02-27	33.15	33.62	32.38	32.58	-5.95%	805,100
2026-02-26	34.30	34.81	33.20	34.64	-0.12%	614,600
2026-02-25	33.90	35.81	33.80	34.68	+2.88%	699,300
2026-02-24	32.31	34.24	32.05	33.71	+3.69%	820,600
2026-02-23	33.61	34.35	32.01	32.51	-4.49%	801,700
2026-02-20	33.17	35.53	32.50	34.04	+0.77%	1,173,300
2026-02-19	34.53	35.06	33.00	33.78	-2.88%	986,200
2026-02-18	37.40	38.10	34.00	34.78	-5.13%	1,764,500
2026-02-17	33.64	36.82	32.62	36.66	+7.01%	1,667,200
2026-02-13	31.95	34.53	31.05	34.26	+7.23%	1,435,300
2026-02-12	34.99	35.50	31.81	31.95	-6.74%	1,520,000
2026-02-11	33.49	34.82	31.21	34.26	+7.47%	2,737,600
2026-02-10	28.64	32.36	28.07	31.88	+10.73%	3,315,600
2026-02-09	28.13	30.13	27.74	28.79	+2.20%	1,079,800
2026-02-06	26.36	28.36	25.28	28.17	+8.55%	2,061,000
2026-02-05	31.76	31.85	24.87	25.95	-6.01%	3,549,100
2026-02-04	30.10	30.17	26.92	27.61	-7.97%	1,912,100
2026-02-03	30.90	31.24	28.75	30.00	-0.07%	1,010,700
2026-02-02	29.93	30.90	29.15	30.02	+0.33%	1,454,600
2026-01-30	30.96	31.67	29.67	29.92	-4.86%	762,200
2026-01-29	31.80	31.92	30.22	31.45	-1.16%	758,300
2026-01-28	32.57	32.88	31.30	31.82	-1.09%	606,200
2026-01-27	32.00	32.42	31.36	32.17	+1.97%	487,200
2026-01-26	33.13	33.94	31.36	31.55	-5.20%	843,500
2026-01-23	33.26	34.50	32.13	33.28	+0.54%	1,006,300
2026-01-22	32.42	33.47	31.80	33.10	+4.06%	957,100
2026-01-21	31.83	32.20	30.04	31.81	+2.09%	871,600
2026-01-20	30.52	31.42	30.28	31.16	-3.20%	691,500
2026-01-16	31.28	32.70	30.94	32.19	+3.57%	761,400
2026-01-15	31.64	32.00	30.96	31.08	-0.54%	653,500
2026-01-14	31.18	31.27	30.10	31.25	-0.98%	712,000
2026-01-13	30.85	31.78	30.65	31.56	+3.58%	725,100
2026-01-12	30.30	31.12	29.50	30.47	-0.65%	594,000
2026-01-09	30.95	31.30	29.92	30.67	+0.29%	591,500
2026-01-08	30.80	31.05	29.95	30.58	-0.55%	693,700
2026-01-07	30.80	31.38	30.16	30.75	+0.00%	705,600
2026-01-06	33.28	33.48	29.97	30.75	-7.41%	1,293,500
2026-01-05	32.35	33.69	32.08	33.21	+5.16%	1,208,600
2026-01-02	29.75	31.61	29.71	31.58	+9.73%	1,042,100
2025-12-31	28.97	29.18	28.68	28.78	-0.59%	832,800
2025-12-30	29.41	29.44	28.94	28.95	-0.99%	1,096,800
2025-12-29	30.20	30.64	29.21	29.24	-4.38%	828,800
2025-12-26	31.37	31.45	30.40	30.58	-2.43%	525,900
2025-12-24	31.51	31.58	30.90	31.34	-1.35%	305,500
2025-12-23	31.59	32.18	31.49	31.77	-0.28%	546,100
2025-12-22	31.28	32.29	30.73	31.86	+3.95%	892,800
2025-12-19	30.49	31.61	30.29	30.65	+0.20%	920,700
2025-12-18	30.40	31.40	30.01	30.59	+5.34%	790,000
2025-12-17	31.43	32.06	28.97	29.04	-6.95%	1,216,900
2025-12-16	31.20	32.59	30.99	31.21	-0.95%	643,100
2025-12-15	31.58	31.84	30.67	31.51	+1.42%	1,001,900
2025-12-12	32.22	32.46	30.27	31.07	-3.63%	854,700
2025-12-11	32.74	32.80	31.41	32.24	-3.39%	928,400
2025-12-10	32.42	33.59	31.67	33.37	+2.65%	891,000
2025-12-09	32.27	32.70	31.75	32.51	+0.15%	559,672
2025-12-08	32.96	33.16	32.02	32.46	-0.03%	528,823
2025-12-05	33.01	33.16	31.95	32.47	-1.64%	743,300
2025-12-04	31.79	33.50	31.70	33.01	+3.03%	737,400
2025-12-03	30.74	32.15	29.90	32.04	+4.06%	631,200
2025-12-02	30.63	31.64	30.50	30.79	+2.80%	812,500
2025-12-01	30.09	30.95	29.65	29.95	-3.67%	916,100
2025-11-28	30.91	31.41	30.58	31.09	+1.93%	585,000
2025-11-26	31.32	31.50	30.27	30.50	-0.81%	1,132,400
2025-11-25	31.07	31.24	29.53	30.75	-1.66%	999,800
2025-11-24	30.82	31.83	30.54	31.27	+2.93%	879,600
2025-11-21	29.73	30.98	28.70	30.38	+2.01%	1,198,000
2025-11-20	32.88	33.42	29.70	29.78	-4.49%	1,124,200
2025-11-19	32.17	32.61	30.81	31.18	+0.03%	662,900
2025-11-18	31.40	32.57	30.69	31.17	-2.99%	1,056,000
2025-11-17	33.74	34.01	31.69	32.13	-5.25%	971,900
2025-11-14	32.07	34.85	31.84	33.91	+0.83%	875,300
2025-11-13	34.79	35.18	32.82	33.63	-4.41%	1,379,000
2025-11-12	35.96	36.40	34.43	35.18	-0.40%	859,300
2025-11-11	36.34	36.34	34.16	35.32	-4.31%	1,494,800
2025-11-10	40.28	40.90	36.70	36.91	-5.02%	2,093,200
2025-11-07	35.80	38.87	33.81	38.86	+6.32%	3,040,100
2025-11-06	42.81	44.83	36.20	36.55	-38.49%	5,403,900
2025-11-05	57.20	60.65	56.08	59.42	+5.56%	1,095,200
2025-11-04	57.30	58.80	55.26	56.29	-7.16%	676,700
2025-11-03	59.75	61.30	58.51	60.63	+2.36%	631,700
2025-10-31	60.79	61.20	58.10	59.23	+0.53%	701,700
2025-10-30	61.78	62.63	58.11	58.92	-6.49%	957,200
2025-10-29	57.97	64.72	57.97	63.01	+8.90%	1,369,600
2025-10-28	57.48	59.36	56.69	57.86	+0.02%	685,000
2025-10-27	61.00	61.59	56.96	57.85	-2.90%	943,200
2025-10-24	58.40	61.94	57.47	59.58	+5.40%	1,093,500
2025-10-23	54.85	57.20	54.01	56.53	+3.19%	870,400
2025-10-22	58.83	59.49	52.75	54.78	-7.56%	1,737,800
2025-10-21	61.07	61.07	58.01	59.26	-2.90%	651,700
2025-10-20	61.92	63.70	59.31	61.03	+1.68%	863,700

Most recent 250 sessions, newest first.

Seasonal returns

Best month historically: Apr (+35.93%). Worst month: Nov (-48.72%). Based on 2 years of daily data (2025–2026).

Jan-1.22%
Feb-2.59%
Mar-3.40%
Apr+35.93%
May+18.15%
Jun+4.23%
Jul+15.79%
Aug-7.26%
Sep+11.86%
Oct+0.10%
Nov-48.72%
Dec-3.91%

FAQ · from the current price data · as of 2026-10-16

Quick answers

What is American Superconductor Corporation's (AMSC) latest close?

25.67 on 2026-10-16, from the Closelook data lake's daily price record.

What is AMSC's 52-week high and low?

68.56 high and 24.08 low over the trailing 52 weeks, as of 2026-10-16.

What is American Superconductor Corporation's strongest and weakest month historically?

Historically, AMSC's strongest calendar month has been Apr (average +35.93%) and its weakest Nov (average -48.72%), based on 2 years of daily data (2025–2026).

How many years of seasonality does this cover?

2 years (2025–2026), computed from 449 daily bars in the Closelook data lake.