AMSC vs. GHM
AMSC (American Superconductor Corporation) and GHM (Graham Corporation) are both stocks. Both operate in the Specialty Industrial Machinery industry within the Industrials sector. Over the past 10 years, AMSC returned 17.38%/yr vs 20.89%/yr for GHM. At a 0.22 correlation, their price movements are largely independent.
Performance
AMSC vs. GHM - Performance Comparison
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Returns By Period
In the year-to-date period, AMSC achieves a 42.70% return, which is significantly lower than GHM's 67.48% return. Over the past 10 years, AMSC has underperformed GHM with an annualized return of 17.38%, while GHM has yielded a comparatively higher 20.89% annualized return.
AMSC
- 1D
- 2.62%
- 1M
- -25.41%
- YTD
- 42.70%
- 6M
- 30.34%
- 1Y
- 39.93%
- 3Y*
- 82.83%
- 5Y*
- 21.82%
- 10Y*
- 17.38%
GHM
- 1D
- 3.54%
- 1M
- 9.45%
- YTD
- 67.48%
- 6M
- 67.74%
- 1Y
- 132.68%
- 3Y*
- 101.08%
- 5Y*
- 50.20%
- 10Y*
- 20.89%
AMSC vs. GHM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AMSC American Superconductor Corporation | 42.70% | 16.85% | 121.10% | 202.72% | -66.18% | -53.54% | 198.34% | -29.60% | 207.16% | -50.75% |
GHM Graham Corporation | 67.48% | 44.43% | 134.42% | 97.19% | -22.67% | -15.50% | -28.39% | -2.28% | 10.81% | -3.80% |
Correlation
The correlation between AMSC and GHM is 0.50, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.50 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.47 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.35 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.31 |
Correlation (All Time) Calculated using the full available price history since Mar 17, 1992 | 0.22 |
Over the past year, AMSC and GHM have become more correlated (0.50) than their long-term average of 0.22, meaning their price movements have been converging.
Fundamentals
AMSC:
$1.92B
GHM:
$1.20B
AMSC:
$3.05
GHM:
$1.12
AMSC:
13.48
GHM:
95.66
AMSC:
0.02
GHM:
0.32
AMSC:
6.03
GHM:
4.87
AMSC:
3.46
GHM:
8.54
AMSC:
$299.15M
GHM:
$245.29M
AMSC:
$91.38M
GHM:
$57.75M
AMSC:
$19.29M
GHM:
$14.76M
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Return for Risk
AMSC vs. GHM — Risk / Return Rank
AMSC
GHM
AMSC vs. GHM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Superconductor Corporation (AMSC) and Graham Corporation (GHM). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| AMSC | GHM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.08 | ||
| Sortino ratioReturn per unit of downside risk | -1.58 | ||
| Omega ratioGain probability vs. loss probability | 1.17 | 1.37 | -0.20 |
| Calmar ratioReturn relative to maximum drawdown | 0.66 | 7.33 | -6.67 |
| Martin ratioReturn relative to average drawdown | 1.10 | 17.79 | -16.70 |
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Drawdowns
AMSC vs. GHM - Drawdown Comparison
The maximum AMSC drawdown since its inception was -99.57%, which is greater than GHM's maximum drawdown of -86.11%. Use the drawdown chart below to compare losses from any high point for AMSC and GHM.
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Drawdown Indicators
| AMSC | GHM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.57% | -86.11% | -13.46% |
Max Drawdown (1Y)Largest decline over 1 year | -61.08% | -18.21% | -42.87% |
Max Drawdown (3Y)Largest decline over 3 years | -63.86% | -46.46% | -17.40% |
Max Drawdown (5Y)Largest decline over 5 years | -82.94% | -52.83% | -30.11% |
Max Drawdown (10Y)Largest decline over 10 years | -89.06% | -74.83% | -14.23% |
Current DrawdownCurrent decline from peak | -94.07% | -0.36% | -93.71% |
Average DrawdownAverage peak-to-trough decline | -75.76% | -47.37% | -28.39% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 36.52% | 7.49% | +29.03% |
Volatility
AMSC vs. GHM - Volatility Comparison
American Superconductor Corporation (AMSC) has a higher volatility of 23.32% compared to Graham Corporation (GHM) at 19.86%. This indicates that AMSC's price experiences larger fluctuations and is considered to be riskier than GHM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AMSC | GHM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 23.32% | 19.86% | +3.46% |
Volatility (6M)Calculated over the trailing 6-month period | 54.76% | 39.35% | +15.41% |
Volatility (1Y)Calculated over the trailing 1-year period | 85.08% | 52.49% | +32.59% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 87.41% | 49.41% | +38.00% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 79.20% | 45.24% | +33.96% |
Dividends
AMSC vs. GHM - Dividend Comparison
Neither AMSC nor GHM has paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AMSC American Superconductor Corporation | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
GHM Graham Corporation | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 3.54% | 2.90% | 1.92% | 1.66% | 1.72% | 1.63% | 1.90% |
Financials
AMSC vs. GHM - Financials Comparison
This section allows you to compare key financial metrics between American Superconductor Corporation and Graham Corporation. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
AMSC vs. GHM - Profitability Comparison
AMSC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, American Superconductor Corporation reported a gross profit of 23.60M and revenue of 86.41M. Therefore, the gross margin over that period was 27.3%.
GHM - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Graham Corporation reported a gross profit of 15.69M and revenue of 67.08M. Therefore, the gross margin over that period was 23.4%.
AMSC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, American Superconductor Corporation reported an operating income of -522.00K and revenue of 86.41M, resulting in an operating margin of -0.6%.
GHM - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Graham Corporation reported an operating income of 1.72M and revenue of 67.08M, resulting in an operating margin of 2.6%.
AMSC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, American Superconductor Corporation reported a net income of 4.53M and revenue of 86.41M, resulting in a net margin of 5.2%.
GHM - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Graham Corporation reported a net income of 1.97M and revenue of 67.08M, resulting in a net margin of 2.9%.
Frequently Asked Questions
AMSC and GHM have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AMSC has higher volatility (23.32%) compared to GHM (19.86%). In terms of maximum drawdown, AMSC dropped -99.57% vs GHM's -86.11%.
GHM currently has the higher Sharpe Ratio (2.55 vs 0.47), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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