NASDAQ · AMSC

American Superconductor Corporation

Industrials · Industrial - Machinery

$27.70

Up+$0.11 (+0.40%)

Updated Sep 16, 2026, 11:30 PM

SID Score

4.9/10

Composite research score

Smart Money

—

Institutional and insider signal

Price performance

AMSC price history

1M range · 20 trading sessions · Daily adjusted prices

Daily close

View OHLC price history

AMSC OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Sep 15, 2026	$27.69	$27.988	$27.28	$27.70	724.08K
Sep 14, 2026	$27.62	$28.1751	$27.20	$27.28	890.51K
Sep 11, 2026	$29.32	$29.66	$28.974	$29.53	394.56K
Sep 10, 2026	$28.46	$29.16	$28.08	$28.66	555.75K
Sep 9, 2026	$30.14	$30.65	$29.28	$29.31	902.09K
Sep 8, 2026	$30.00	$31.00	$29.90	$30.44	855.4K
Sep 4, 2026	$29.15	$29.70	$28.94	$29.55	469.68K
Sep 3, 2026	$28.40	$29.23	$28.27	$29.01	446.12K
Sep 2, 2026	$28.57	$28.99	$28.025	$28.49	596.99K
Sep 1, 2026	$28.10	$28.685	$27.51	$28.56	809.99K
Aug 31, 2026	$28.375	$28.81	$28.10	$28.71	755.35K
Aug 28, 2026	$29.83	$29.93	$28.30	$28.49	666.37K
Aug 27, 2026	$30.48	$30.49	$29.30	$29.84	542.13K
Aug 26, 2026	$29.76	$30.185	$28.91	$29.49	588.08K
Aug 25, 2026	$29.83	$29.95	$29.36	$29.65	441.32K
Aug 24, 2026	$29.08	$29.5905	$28.095	$28.92	1.12M
Aug 21, 2026	$30.51	$30.645	$29.42	$30.01	738.84K
Aug 20, 2026	$30.98	$31.16	$29.72	$30.05	517.07K
Aug 19, 2026	$30.80	$31.34	$29.80	$31.16	535.7K
Aug 18, 2026	$30.802	$31.41	$30.35	$31.02	619.4K