American Superconductor Corporation (AMSC) Stock Price History
Historical prices from 1991 to 2026
- 1M
- -13.5%
- 3M
- +44.0%
- YTD
- +37.4%
- 1Y
- +40.8%
- 3Y
- +90.1%
- 5Y
- +24.5%
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
- +3.2%
AMSC Stock Price Trajectory (1991–2026)
As of June 22, 2026, American Superconductor Corporation (AMSC) trades at $43.40, representing a +40.8% return over the past year. The stock has delivered a +199.5% total return over five years (+24.5% 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 -94.2%, currently trading 4% above its 200-day moving average, indicating continued institutional support.
When compared to Industrials sector peers POWI (+61.2% 1Y), VICR (+628.8% 1Y), and ITRN (+84.1% 1Y), AMSC has underperformed the peer group average. Compare AMSC vs POWI →
AMSC Historical Price Data · from 1991
Rows 1–50 of 8,691| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-18 | 41.49 | 43.48 | 40.44 | 43.40 | 1.05M | +8.15% |
| 2026-06-17 | 40.57 | 42.18 | 40.07 | 40.13 | 766K | -0.82% |
| 2026-06-16 | 41.07 | 42.36 | 40.35 | 40.46 | 1.09M | -1.49% |
| 2026-06-15 | 42.06 | 42.06 | 40.85 | 41.07 | 848K | +2.62% |
| 2026-06-12 | 39.51 | 40.62 | 38.71 | 40.02 | 801K | +1.29% |
| 2026-06-11 | 37.44 | 39.54 | 36.71 | 39.51 | 1.83M | +7.42% |
| 2026-06-10 | 40.40 | 40.96 | 36.72 | 36.78 | 1.80M | -9.25% |
| 2026-06-09 | 43.60 | 44.67 | 38.92 | 40.53 | 1.54M | -6.48% |
| 2026-06-08 | 42.86 | 44.39 | 40.76 | 43.34 | 1.58M | +2.36% |
| 2026-06-05 | 44.57 | 45.95 | 41.20 | 42.34 | 1.79M | -8.75% |
| 2026-06-04 | 45.65 | 47.16 | 45.19 | 46.40 | 1.24M | -0.58% |
| 2026-06-03 | 51.08 | 51.25 | 46.24 | 46.67 | 1.46M | -8.79% |
| 2026-06-02 | 51.46 | 52.55 | 48.87 | 51.17 | 1.24M | +0.04% |
| 2026-06-01 | 49.50 | 51.99 | 48.77 | 51.15 | 1.08M | +0.41% |
| 2026-05-29 | 51.58 | 53.37 | 48.52 | 50.94 | 1.28M | -0.76% |
| 2026-05-28 | 49.62 | 51.34 | 45.46 | 51.33 | 3.43M | -2.56% |
| 2026-05-27 | 53.57 | 55.09 | 51.55 | 52.68 | 1.76M | -0.83% |
| 2026-05-26 | 54.00 | 54.40 | 51.28 | 53.12 | 1.05M | +2.47% |
| 2026-05-22 | 50.35 | 51.88 | 48.86 | 51.84 | 710K | +4.90% |
| 2026-05-21 | 48.64 | 50.66 | 48.39 | 49.42 | 612K | +0.41% |
| 2026-05-20 | 48.46 | 50.10 | 47.23 | 49.22 | 887K | +4.52% |
| 2026-05-19 | 48.12 | 48.60 | 45.75 | 47.09 | 1.16M | -6.10% |
| 2026-05-18 | 54.86 | 55.11 | 48.52 | 50.15 | 1.26M | -8.92% |
| 2026-05-15 | 51.52 | 55.24 | 50.32 | 55.06 | 1.02M | +0.66% |
| 2026-05-14 | 55.78 | 55.78 | 52.56 | 54.70 | 1.19M | -1.85% |
| 2026-05-13 | 55.31 | 56.25 | 53.00 | 55.73 | 961K | +2.24% |
| 2026-05-12 | 57.04 | 57.05 | 51.32 | 54.51 | 1.30M | -7.17% |
| 2026-05-11 | 54.84 | 60.06 | 54.81 | 58.72 | 1.74M | +6.40% |
| 2026-05-08 | 54.73 | 55.68 | 53.47 | 55.19 | 740K | +3.70% |
| 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% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
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 returned +40.8% over the past year, beating its 5-year annualized CAGR of +24.5%. 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 +40.8% 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 1991-2026, downloadable in CSV format.