American Superconductor Corporation (AMSC) Stock Price History
Historical prices from 1991 to 2026
- 1M
- -26.6%
- 3M
- -28.9%
- YTD
- -25.9%
- 1Y
- -36.0%
- 3Y
- +44.5%
- 5Y
- +5.1%
Loading 10-year price history...
AMSC Historical Performance
AMSC Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- -76.8%
- 2003 annual price return
- +338.6%
- 2004 annual price return
- +8.6%
- 2005 annual price return
- -45.0%
- 2006 annual price return
- +16.2%
- 2007 annual price return
- +181.0%
- 2008 annual price return
- -40.8%
- 2009 annual price return
- +138.5%
- 2010 annual price return
- -32.2%
- 2011 annual price return
- -87.5%
- 2012 annual price return
- -29.4%
- 2013 annual price return
- -42.0%
- 2014 annual price return
- -57.4%
- 2015 annual price return
- -22.0%
- 2016 annual price return
- +11.2%
- 2017 annual price return
- -51.1%
- 2018 annual price return
- +192.7%
- 2019 annual price return
- -33.2%
- 2020 annual price return
- +196.8%
- 2021 annual price return
- -53.4%
- 2022 annual price return
- -66.6%
- 2023 annual price return
- +211.2%
- 2024 annual price return
- +127.2%
- 2025 annual price return
- +12.6%
- 2026 annual price return
- -3.4%
AMSC Stock Price Trajectory (1991–2026)
As of November 8, 2026, American Superconductor Corporation (AMSC) trades at $23.39, representing a -36.0% return over the past year. The stock has delivered a +28.0% total return over five years (+5.1% 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 -96.9%, currently trading 34% below its 200-day moving average, suggesting potential weakness.
When compared to Industrials sector peers POWI (+10.2% 1Y), VICR (+65.0% 1Y), and ITRN (+28.9% 1Y), AMSC has underperformed the peer group average. Compare AMSC vs POWI →
AMSC Historical Price Data · from 1991
Rows 1–50 of 8,788| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-11-06 | 25.24 | 25.38 | 22.16 | 23.39 | 1.35M | -2.46% |
| 2026-11-05 | 26.59 | 27.25 | 22.76 | 23.98 | 2.11M | -8.68% |
| 2026-11-04 | 27.38 | 27.64 | 25.58 | 26.26 | 891K | -5.13% |
| 2026-11-03 | 27.24 | 27.80 | 27.14 | 27.68 | 591K | +5.05% |
| 2026-11-02 | 27.83 | 28.18 | 26.19 | 26.35 | 671K | -2.59% |
| 2026-10-30 | 26.28 | 27.51 | 26.16 | 27.05 | 857K | -3.57% |
| 2026-10-29 | 27.76 | 29.21 | 27.72 | 28.05 | 622K | -0.50% |
| 2026-10-28 | 28.18 | 28.32 | 27.30 | 28.19 | 1.09M | +2.03% |
| 2026-10-27 | 25.97 | 28.09 | 25.82 | 27.63 | 791K | +8.78% |
| 2026-10-26 | 25.20 | 25.74 | 24.58 | 25.40 | 496K | +1.11% |
| 2026-10-23 | 24.54 | 25.43 | 24.11 | 25.12 | 516K | +0.44% |
| 2026-10-22 | 25.58 | 25.87 | 24.44 | 25.01 | 681K | -6.12% |
| 2026-10-21 | 25.95 | 26.83 | 25.95 | 26.64 | 569K | +3.66% |
| 2026-10-20 | 25.31 | 26.44 | 25.01 | 25.70 | 732K | +0.08% |
| 2026-10-19 | 26.46 | 26.59 | 25.53 | 25.68 | 808K | +0.04% |
| 2026-10-16 | 26.42 | 26.85 | 25.50 | 25.67 | 680K | -4.54% |
| 2026-10-15 | 24.71 | 27.05 | 24.08 | 26.89 | 1.13M | +4.83% |
| 2026-10-14 | 28.00 | 28.00 | 25.38 | 25.65 | 1.28M | -10.66% |
| 2026-10-13 | 29.18 | 29.72 | 28.32 | 28.71 | 605K | -3.01% |
| 2026-10-12 | 30.43 | 30.51 | 29.47 | 29.60 | 542K | -3.01% |
| 2026-10-09 | 31.30 | 31.54 | 30.30 | 30.52 | 746K | -1.39% |
| 2026-10-08 | 31.14 | 31.96 | 30.16 | 30.95 | 1.07M | -2.49% |
| 2026-10-07 | 30.57 | 31.97 | 29.99 | 31.74 | 1.37M | -0.35% |
| 2026-10-06 | 30.49 | 32.10 | 30.25 | 31.85 | 849K | +6.24% |
| 2026-10-05 | 30.06 | 30.30 | 29.24 | 29.98 | 488K | -0.10% |
| 2026-10-02 | 30.37 | 30.68 | 29.69 | 30.01 | 535K | +1.73% |
| 2026-10-01 | 29.25 | 30.08 | 28.20 | 29.50 | 665K | +1.34% |
| 2026-09-30 | 29.52 | 29.83 | 28.95 | 29.11 | 742K | -0.21% |
| 2026-09-29 | 30.00 | 30.26 | 29.02 | 29.17 | 662K | -0.41% |
| 2026-09-28 | 29.63 | 29.98 | 28.83 | 29.29 | 526K | -2.40% |
| 2026-09-25 | 30.89 | 31.06 | 29.96 | 30.01 | 677K | -1.35% |
| 2026-09-24 | 30.22 | 30.74 | 29.69 | 30.42 | 701K | -2.03% |
| 2026-09-23 | 32.01 | 32.13 | 30.78 | 31.05 | 879K | -0.61% |
| 2026-09-22 | 30.29 | 31.55 | 30.04 | 31.24 | 923K | +3.31% |
| 2026-09-21 | 31.00 | 31.00 | 30.12 | 30.24 | 572K | +0.17% |
| 2026-09-18 | 29.23 | 30.34 | 28.85 | 30.19 | 994K | +3.57% |
| 2026-09-17 | 29.14 | 29.50 | 28.77 | 29.15 | 650K | +4.82% |
| 2026-09-16 | 28.26 | 28.27 | 27.26 | 27.81 | 734K | +0.40% |
| 2026-09-15 | 27.69 | 27.99 | 27.28 | 27.70 | 724K | +1.54% |
| 2026-09-14 | 27.62 | 28.18 | 27.20 | 27.28 | 891K | -7.62% |
| 2026-09-11 | 29.32 | 29.66 | 28.97 | 29.53 | 395K | +3.04% |
| 2026-09-10 | 28.46 | 29.16 | 28.08 | 28.66 | 556K | -2.22% |
| 2026-09-09 | 30.14 | 30.65 | 29.28 | 29.31 | 902K | -3.71% |
| 2026-09-08 | 30.00 | 31.00 | 29.90 | 30.44 | 855K | +3.01% |
| 2026-09-04 | 29.15 | 29.70 | 28.94 | 29.55 | 470K | +1.86% |
| 2026-09-03 | 28.40 | 29.23 | 28.27 | 29.01 | 446K | +1.83% |
| 2026-09-02 | 28.57 | 28.99 | 28.03 | 28.49 | 597K | -0.25% |
| 2026-09-01 | 28.10 | 28.69 | 27.51 | 28.56 | 810K | -0.52% |
| 2026-08-31 | 28.38 | 28.81 | 28.10 | 28.71 | 755K | +0.77% |
| 2026-08-28 | 29.83 | 29.93 | 28.30 | 28.49 | 666K | -4.52% |
AMSC Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
Peer Comparison
Compare growth, multiples, and margins vs sector.
AMSC — Frequently Asked Questions
Quick answers to the most common questions about buying AMSC stock.
How has AMSC stock performed recently?
AMSC declined -36.0% over the past year, below its 5-year annualized CAGR of +5.1%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is AMSC's all-time high price?
American Superconductor Corporation reached $751.25 on 2000-02-28. The 52-week high is $60.18. Current 1-year return of -36.0% places the stock further from 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 1991-2026, downloadable in CSV format.