American Superconductor (AMSC) Stock Chart & Stock Price History $25.70 -3.13 (-10.86%) Closing price 04:00 PM EasternExtended Trading$25.70 0.00 (-0.02%) As of 07:51 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrends American Superconductor Stock Price Performance 5 Day Performance-17.52%1 Month Performance-10.58%3 Month Performance-24.55%6 Month Performance+24.46%Year-To-Date Performance+4.34%1 Year Performance+94.55% Receive AMSC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for American Superconductor and its competitors with MarketBeat's FREE daily newsletter. Email Address AMSC Stock Chart for Friday, February, 21, 2025 AMSC Chart by TradingView American Superconductor Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization02/21/2025$28.83$25.70-10.86%$29.29$25.411.49 million shs$1.01 billion02/20/2025$31.45$28.83-8.33%$31.33$27.771.11 million shs$1.14 billion02/19/2025$32.43$31.45-3.02%$33.18$31.14632,493 shs$1.24 billion02/18/2025$31.16$32.43+4.08%$32.88$31.21913,476 shs$1.28 billion02/17/2025$31.16$31.16$32.38$29.66923,859 shs$1.23 billion02/14/2025$31.69$31.16-1.67%$32.38$29.66923,859 shs$1.23 billion02/13/2025$30.35$31.69+4.42%$31.94$30.22803,770 shs$1.25 billion02/12/2025$31.72$30.35-4.32%$31.25$30.22801,698 shs$1.20 billion02/11/2025$32.59$31.72-2.67%$33.27$31.261.48 million shs$1.25 billion02/10/2025$32.85$32.59-0.79%$34.49$32.111.39 million shs$1.29 billion Get the Latest News and Ratings for AMSC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for American Superconductor and its competitors with MarketBeat's FREE daily newsletter. 02/07/2025$34.24$32.85-4.06%$35.07$31.323.06 million shs$1.30 billion02/06/2025$25.52$34.24+34.17%$35.44$26.866.56 million shs$1.35 billion02/05/2025$25.32$25.52+0.79%$26.12$25.011.47 million shs$1.01 billion02/04/2025$26.32$25.32-3.80%$26.64$25.031.07 million shs$998.87 million02/03/2025$26.27$26.32+0.19%$26.70$24.71702,971 shs$1.04 billion01/31/2025$27.31$26.27-3.81%$28.35$26.041.17 million shs$1.04 billion01/30/2025$26.10$27.31+4.64%$27.75$26.50714,191 shs$1.08 billion01/29/2025$26.19$26.10-0.34%$26.58$25.41575,831 shs$1.03 billion01/28/2025$26.03$26.19+0.61%$26.51$25.05904,020 shs$1.03 billion01/27/2025$29.04$26.03-10.37%$26.85$24.901.62 million shs$1.03 billion01/24/2025$29.72$29.04-2.29%$30.17$28.80623,983 shs$1.15 billion01/23/2025$28.87$29.72+2.94%$29.80$28.00623,016 shs$1.17 billion01/22/2025$28.74$28.87+0.45%$29.96$28.15999,053 shs$1.14 billion01/21/2025$27.81$28.74+3.34%$29.33$26.501.36 million shs$1.13 billion01/20/2025$27.81$27.81$28.78$27.79685,344 shs$1.10 billion Related Companies Belden Stock Chart Franklin Electric Stock Chart EnerSys Stock Chart Brady Stock Chart Powell Industries Stock Chart Vicor Stock Chart Thermon Group Stock Chart Preformed Line Products Stock Chart LSI Industries Stock Chart FuelCell Energy Stock Chart Receive AMSC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for American Superconductor and its competitors with MarketBeat's FREE daily newsletter. 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