American Superconductor Corporation (AMSC) P/E Ratio History
UndervaluedTrading at 10.2x vs 5Y avg 68.9x · 24th percentile · Below historical baseline · Data 2009–2026
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P/E Ratio Analysis
As of September 24, 2026, American Superconductor Corporation (AMSC) trades at a price-to-earnings ratio of 10.2x, with a stock price of $31.05 and trailing twelve-month earnings per share of $2.90.
The current P/E is 85% below its 5-year average of 68.9x. Over the past five years, AMSC's P/E has ranged from a low of 6.9x to a high of 324.9x, placing the current valuation at the 24th percentile of its historical range.
Compared to the Industrials sector median P/E of 26.2x, AMSC trades at a 61% discount to its sector peers. The sector includes 397 companies with P/E ratios ranging from 0.1x to 194.2x.
Relative to the broader market, AMSC trades at a notable discount to the S&P 500 median P/E of 25.3x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our AMSC DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
AMSC Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
AMSC P/E vs Peers
Industrial automation and controls peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $3B | 130.9 | - | -30% | |
| $13B | 108.5 | 2.42 | +1764%Best | |
| $1B | 17.9 | 0.59Best | +8% | |
| $351M | 16.2Lowest | - | +5% | |
| $12B | 74.1 | - | -50% | |
| $101M | 18.8 | - | +339% | |
| $332B | 39.2 | 3.32 | +36% |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
AMSC Historical P/E Data (2009–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q1 | - | $41.51 | $3.03 | 13.7x | -80% |
| FY2025 Q4 | - | $33.85 | $3.00 | 11.3x | -84% |
| FY2025 Q3 | Dec 31 2025 | $28.78 | $2.93 | 9.8x | -86% |
| FY2025 Q2 | - | $59.39 | $0.38 | 158.2x | +130% |
| FY2025 Q1 | Jun 30 2025 | $36.69 | $0.40 | 92.8x | +35% |
| FY2024 Q4 | Mar 31 2025 | $18.14 | $0.15 | 117.3x | +70% |
| FY2024 Q3 | - | $24.63 | $0.08 | 324.9x | +372% |
| FY2019 Q2 | Sep 30 2019 | $7.84 | $0.21 | 37.3x | -46% |
| FY2019 Q1 | Jun 30 2019 | $9.28 | $1.35 | 6.9x | -90% |
| FY2018 Q4 | Mar 31 2019 | $12.86 | $1.29 | 10.0x | -86% |
| FY2018 Q3 | Dec 31 2018 | $11.15 | $1.40 | 8.0x | -88% |
| FY2018 Q2 | Sep 30 2018 | $6.95 | $0.36 | 19.3x | -72% |
| FY2010 Q3 | Dec 31 2010 | $285.90 | $8.57 | 33.4x | -52% |
| FY2010 Q2 | - | $311.00 | $6.37 | 48.8x | -29% |
| FY2010 Q1 | Jun 30 2010 | $266.90 | $5.17 | 51.6x | -25% |
| FY2009 Q4 | Mar 31 2010 | $289.00 | $3.57 | 81.0x | +18% |
| FY2009 Q3 | - | $409.00 | $2.79 | 146.6x | +113% |
Average P/E for displayed period: 68.9x
AMSC Chart Terminal
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Live Breakouts Feed
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Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
17+ years 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.
What is AMSC's P/E ratio?
American Superconductor Corporation (AMSC) trailing twelve-month P/E ratio is 10.2x, based on TTM diluted EPS of $2.90. The 5-year average P/E is 68.9x and the historical range spans 6.9x to 324.9x.
Is AMSC stock overvalued or undervalued?
AMSC trades at 10.2x P/E, below its 5-year average of 68.9x. At the 24th percentile of its historical range (6.9x–324.9x), the stock is priced at a discount to its own history.
Is AMSC stock expensive?
No, AMSC is not expensive on a historical basis. The current P/E of 10.2x is below the 5-year average of 68.9x and sits at the 24th percentile of its valuation range.
What is AMSC's historical P/E range?
Over the past 5 years, AMSC's P/E ratio has ranged from 6.9x to 324.9x, with a median of 37.3x and an average of 68.9x. The current P/E of 10.2x places the stock at the 24th percentile of this range. Full historical data spans 2009–2026.
How does AMSC's P/E compare to the S&P 500?
AMSC trades at 10.2x P/E versus the S&P 500 median of 25.3x. The 60% discount to the market suggests lower growth expectations or perceived higher risk.
How does AMSC's valuation compare to Industrials peers?
American Superconductor Corporation P/E of 10.2x compares to the Industrials sector median of 26.2x. The discount suggests lower growth expectations, weaker margins, or higher perceived risk relative to peers. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is AMSC's PEG ratio?
AMSC PEG ratio is N/A, based on a P/E of 10.2x and EPS growth of 1806.3%. PEG normalises P/E by growth and helps compare stocks with different earnings trajectories.
What is AMSC's earnings yield?
AMSC earnings yield is 9.82%, the inverse of its 10.2x P/E ratio. Earnings yield represents the percentage of each dollar invested that the company earns. It can be compared directly to bond yields to assess relative attractiveness of stocks versus fixed income.