American Superconductor Corporation (AMSC) Stock Price History
Historical prices from 2011 to 2026
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AMSC Historical Performance
Short-Term Returns
AMSC Stock Price Trajectory (2011–2026)
As of May 8, 2026, American Superconductor Corporation (AMSC) trades at $53.22, representing a +156.9% return over the past year. The stock has delivered a +255.0% total return over five years (+28.8% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $751.25 on February 28, 2000. From this peak, AMSC has corrected -92.9%, currently trading 27% above its 200-day moving average, indicating continued institutional support.
When compared to Industrials sector peers POWI (+42.7% 1Y), VICR (+535.7% 1Y), and ITRN (+68.1% 1Y), AMSC has underperformed the peer group average. Compare AMSC vs POWI →
AMSC Historical Price Data (2025–2026)
Showing 30 of 3,650 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-07 | 56.09 | 56.90 | 52.66 | 53.22 | 1.16M | -6.75% |
| 2026-05-06 | 55.59 | 57.18 | 53.71 | 57.07 | 975K | +3.74% |
| 2026-05-05 | 51.46 | 55.68 | 51.36 | 55.01 | 1.37M | +9.36% |
| 2026-05-04 | 52.51 | 52.96 | 48.53 | 50.30 | 1.04M | -4.21% |
| 2026-05-01 | 53.22 | 54.20 | 51.42 | 52.51 | 1.25M | -1.92% |
| 2026-04-30 | 49.23 | 53.65 | 48.00 | 53.54 | 1.85M | +12.24% |
| 2026-04-29 | 47.79 | 48.60 | 45.69 | 47.70 | 1.27M | +0.42% |
| 2026-04-28 | 47.80 | 49.49 | 45.57 | 47.50 | 1.72M | -4.31% |
| 2026-04-27 | 52.39 | 52.39 | 46.01 | 49.64 | 2.49M | +0.32% |
| 2026-04-24 | 47.98 | 50.78 | 45.50 | 49.48 | 2.21M | +7.22% |
| 2026-04-23 | 50.95 | 51.47 | 44.47 | 46.15 | 2.53M | -4.15% |
| 2026-04-22 | 43.40 | 48.23 | 43.40 | 48.15 | 2.38M | +14.83% |
| 2026-04-21 | 41.00 | 42.93 | 40.75 | 41.93 | 1.55M | +2.95% |
| 2026-04-20 | 39.37 | 40.84 | 38.81 | 40.73 | 680K | +2.54% |
| 2026-04-17 | 39.10 | 40.75 | 38.13 | 39.72 | 1.04M | +4.61% |
| 2026-04-16 | 37.86 | 38.59 | 36.97 | 37.97 | 890K | +0.61% |
| 2026-04-15 | 40.00 | 40.04 | 37.21 | 37.74 | 1.20M | -4.33% |
| 2026-04-14 | 38.42 | 39.59 | 37.28 | 39.45 | 919K | +4.34% |
| 2026-04-13 | 37.37 | 38.11 | 36.69 | 37.81 | 795K | +0.27% |
| 2026-04-10 | 36.50 | 39.25 | 36.35 | 37.71 | 1.20M | +4.32% |
| 2026-04-09 | 32.87 | 36.40 | 32.87 | 36.15 | 1.40M | +9.48% |
| 2026-04-08 | 34.16 | 34.28 | 32.68 | 33.02 | 816K | +4.69% |
| 2026-04-07 | 32.09 | 32.27 | 30.87 | 31.54 | 536K | -3.31% |
| 2026-04-06 | 32.37 | 32.99 | 31.97 | 32.62 | 367K | +1.65% |
| 2026-04-02 | 31.28 | 32.89 | 30.95 | 32.09 | 602K | -1.72% |
| 2026-04-01 | 34.50 | 35.05 | 32.60 | 32.65 | 634K | -3.55% |
| 2026-03-31 | 32.45 | 34.20 | 32.18 | 33.85 | 1.12M | +5.09% |
| 2026-03-30 | 33.87 | 33.87 | 31.36 | 32.21 | 1.95M | -4.48% |
| 2026-03-27 | 32.25 | 34.03 | 31.64 | 33.72 | 1.01M | +4.36% |
| 2026-03-26 | 32.51 | 34.27 | 32.21 | 32.31 | 1.55M | -3.72% |
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Start ComparisonAMSC — Frequently Asked Questions
Quick answers to the most common questions about buying AMSC stock.
How has AMSC stock performed recently?
AMSC returned +156.9% over the past year, beating its 5-year annualized CAGR of +28.8%. The stock trades above its 200-day moving average, confirming the uptrend.
What is AMSC's all-time high price?
American Superconductor Corporation reached $751.25 on 2000-02-28. The 52-week high is $70.49. Current 1-year return of +156.9% places the stock closer to historical peaks.
Where can I download AMSC historical price data?
This page provides AMSC daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2011-2026, downloadable in CSV format.