GHM vs. AMSC
GHM (Graham Corporation) and AMSC (American Superconductor Corporation) are both stocks. Both operate in the Specialty Industrial Machinery industry within the Industrials sector. Over the past 10 years, GHM returned 20.53%/yr vs 16.49%/yr for AMSC. At a 0.22 correlation, their price movements are largely independent.
Performance
GHM vs. AMSC - Performance Comparison
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Returns By Period
In the year-to-date period, GHM achieves a 60.36% return, which is significantly higher than AMSC's 37.28% return. Over the past 10 years, GHM has outperformed AMSC with an annualized return of 20.53%, while AMSC has yielded a comparatively lower 16.49% annualized return.
GHM
- 1D
- 7.22%
- 1M
- 3.91%
- YTD
- 60.36%
- 6M
- 59.62%
- 1Y
- 124.50%
- 3Y*
- 99.36%
- 5Y*
- 48.86%
- 10Y*
- 20.53%
AMSC
- 1D
- 7.42%
- 1M
- -27.52%
- YTD
- 37.28%
- 6M
- 22.55%
- 1Y
- 33.16%
- 3Y*
- 82.69%
- 5Y*
- 21.08%
- 10Y*
- 16.49%
GHM vs. AMSC - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GHM Graham Corporation | 60.36% | 44.43% | 134.42% | 97.19% | -22.67% | -15.50% | -28.39% | -2.28% | 10.81% | -3.80% |
AMSC American Superconductor Corporation | 37.28% | 16.85% | 121.10% | 202.72% | -66.18% | -53.54% | 198.34% | -29.60% | 207.16% | -50.75% |
Correlation
The correlation between GHM and AMSC is 0.50, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.50 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.46 |
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, GHM and AMSC have become more correlated (0.50) than their long-term average of 0.22, meaning their price movements have been converging.
Fundamentals
GHM:
$1.15B
AMSC:
$1.85B
GHM:
$1.12
AMSC:
$3.05
GHM:
91.59
AMSC:
12.96
GHM:
0.31
AMSC:
0.02
GHM:
4.67
AMSC:
5.80
GHM:
8.18
AMSC:
3.32
GHM:
$245.29M
AMSC:
$299.15M
GHM:
$57.75M
AMSC:
$91.38M
GHM:
$14.76M
AMSC:
$19.29M
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Return for Risk
GHM vs. AMSC — Risk / Return Rank
GHM
AMSC
GHM vs. AMSC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Graham Corporation (GHM) and American Superconductor Corporation (AMSC). 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.
| GHM | AMSC | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.00 | ||
| Sortino ratioReturn per unit of downside risk | +1.56 | ||
| Omega ratioGain probability vs. loss probability | 1.35 | 1.15 | +0.20 |
| Calmar ratioReturn relative to maximum drawdown | 6.88 | 0.55 | +6.33 |
| Martin ratioReturn relative to average drawdown | 16.70 | 0.91 | +15.78 |
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Drawdowns
GHM vs. AMSC - Drawdown Comparison
The maximum GHM drawdown since its inception was -86.11%, smaller than the maximum AMSC drawdown of -99.57%. Use the drawdown chart below to compare losses from any high point for GHM and AMSC.
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Drawdown Indicators
| GHM | AMSC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -86.11% | -99.57% | +13.46% |
Max Drawdown (1Y)Largest decline over 1 year | -18.21% | -61.08% | +42.87% |
Max Drawdown (3Y)Largest decline over 3 years | -46.46% | -63.86% | +17.40% |
Max Drawdown (5Y)Largest decline over 5 years | -53.16% | -82.94% | +29.78% |
Max Drawdown (10Y)Largest decline over 10 years | -74.83% | -89.06% | +14.23% |
Current DrawdownCurrent decline from peak | -4.59% | -94.29% | +89.70% |
Average DrawdownAverage peak-to-trough decline | -47.38% | -75.76% | +28.38% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.48% | 36.35% | -28.87% |
Volatility
GHM vs. AMSC - Volatility Comparison
The current volatility for Graham Corporation (GHM) is 20.08%, while American Superconductor Corporation (AMSC) has a volatility of 23.09%. This indicates that GHM experiences smaller price fluctuations and is considered to be less risky than AMSC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GHM | AMSC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 20.08% | 23.09% | -3.01% |
Volatility (6M)Calculated over the trailing 6-month period | 39.37% | 54.87% | -15.50% |
Volatility (1Y)Calculated over the trailing 1-year period | 52.39% | 86.06% | -33.67% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 49.39% | 87.41% | -38.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 45.22% | 79.17% | -33.95% |
Dividends
GHM vs. AMSC - Dividend Comparison
Neither GHM nor AMSC 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
GHM vs. AMSC - Financials Comparison
This section allows you to compare key financial metrics between Graham Corporation and American Superconductor 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
GHM vs. AMSC - Profitability Comparison
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 - 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 - 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 - 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 - 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%.
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%.
Frequently Asked Questions
GHM and AMSC 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 (23.09%) compared to GHM (20.08%). In terms of maximum drawdown, GHM dropped -86.11% vs AMSC's -99.57%.
GHM currently has the higher Sharpe Ratio (2.39 vs 0.39), 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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