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The price of American Superconductor Corporation (AMSC) on October 9, 2026 is 30.52 USD, -1.39% on the day. Over 52 weeks the stock traded between 24.87 USD and 70.49 USD; the price now sits 13% of the way up that range. Over the past year the price changed by -45.27%. The P/E ratio is 11.0, which is below the sector median (26.0). Market capitalization is 1.47 billion USD, rank 3 among 4 stocks of the same industry with a known capitalization.
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Next earnings report: 04 November 2026 · Earnings calendar
American Superconductor Corporation trades on Nasdaq under the ticker AMSC. The company belongs to the Industrials sector. The trading history on this page starts on 22 August 2016.
Over the past 52 weeks AMSC has traded between 24.87 $ and 70.49 $. As of 09 October 2026 the price stood 13.33 % of the way from the 52-week low to the high.
Over one year AMSC shares fell 45.27 %; over six months they fell 14.38 %. Volatility over 90 days is 64.93 %. Dividends are not included: this is price change only, as of 09 October 2026.
AMSC trades at a price-to-earnings ratio of 11.0, below the sector median of 26.0. Price to sales is 4.9, above the sector median of 1.3. Price to book is 2.7, above the sector median of 2.6. Calculated from reports for the period ending 31 March 2026.
| Date | Open | High | Low | Close | Volume, shares |
|---|---|---|---|---|---|
| 09 October 2026 | 31.30 | 31.54 | 30.30 | 30.52 | 744,300 |
| 08 October 2026 | 31.14 | 31.96 | 30.16 | 30.95 | 1M |
| 07 October 2026 | 30.57 | 31.97 | 29.99 | 31.74 | 1M |
| 06 October 2026 | 30.49 | 32.10 |
The series is stated in the current share scale after splits; dividends are not included in the price
Based on the fiscal year ended 31 March 2026
The sector median covers every company in the sector on the US market, loss-making ones included.
American Superconductor Corporation (AMSC) is a public company in the industrials sector. Its common stock trade on NASDAQ.
Over the trailing twelve months as reported to 2026-03-31, revenue was 299.2m $, net income was 133.8m $. Incorporated in US.
This summary is compiled automatically from SEC filings and exchange data.
Address:SIXTY FOUR JACKSON ROAD, DEVENS, MA, 01434, US
American Superconductor Corporation reported revenue of 299M $ and net income of 134M $ for the latest fiscal year. Net margin is 44.73 %. Revenue changed by +34.26 % year over year. Earnings per share are 3.05 $. Market capitalisation is 1.5B $.
AMSC has a return on equity of 24.09 %, above the sector median of 5.92 %. Return on assets is 18.09 %, above the sector median of 2.51 %. Operating margin is 3.83 %, below the sector median of 4.32 %.
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| 30.25 |
| 31.85 |
| 846,000 |
| 05 October 2026 | 30.06 | 30.30 | 29.24 | 29.98 | 487,500 |
| 02 October 2026 | 30.37 | 30.68 | 29.69 | 30.01 | 534,000 |
| 01 October 2026 | 29.25 | 30.08 | 28.20 | 29.50 | 665,000 |
| 30 September 2026 | 29.52 | 29.83 | 28.95 | 29.11 | 742,400 |
| 29 September 2026 | 30.00 | 30.26 | 29.02 | 29.17 | 659,000 |
| 28 September 2026 | 29.63 | 29.98 | 28.83 | 29.29 | 525,300 |
| 25 September 2026 | 30.89 | 31.06 | 29.96 | 30.01 | 676,400 |
| 24 September 2026 | 30.22 | 30.74 | 29.69 | 30.42 | 700,100 |
| 23 September 2026 | 32.01 | 32.13 | 30.78 | 31.05 | 877,400 |
| 22 September 2026 | 30.29 | 31.55 | 30.04 | 31.24 | 922,700 |
| 21 September 2026 | 31.00 | 31.00 | 30.12 | 30.24 | 570,600 |
| 18 September 2026 | 29.23 | 30.34 | 28.85 | 30.19 | 993,000 |
| 17 September 2026 | 29.14 | 29.50 | 28.77 | 29.15 | 650,000 |
| 16 September 2026 | 28.26 | 28.27 | 27.26 | 27.81 | 733,100 |
| 15 September 2026 | 27.69 | 27.99 | 27.28 | 27.70 | 722,900 |
| 14 September 2026 | 27.62 | 28.18 | 27.20 | 27.28 | 890,100 |