AMSC vs. KLAC
AMSC (American Superconductor Corporation) and KLAC (KLA Corporation) are both stocks. AMSC operates in Specialty Industrial Machinery (Industrials), while KLAC operates in Semiconductor Equipment & Materials (Technology). Over the past 10 years, AMSC returned 12.68%/yr vs 39.77%/yr for KLAC. Their 0.27 correlation means their historical movements had little consistent relationship.
Performance
AMSC vs. KLAC - Performance Comparison
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Returns By Period
In the year-to-date period, AMSC achieves a 2.05% return, which is significantly lower than KLAC's 50.85% return. Over the past 10 years, AMSC has underperformed KLAC with an annualized return of 12.68%, while KLAC has yielded a comparatively higher 39.77% annualized return.
AMSC
- 1D
- -0.27%
- 1M
- -20.86%
- 6M
- -1.84%
- YTD
- 2.05%
- 1Y
- -45.36%
- 3Y*
- 22.11%
- 5Y*
- 15.89%
- 10Y*
- 12.68%
- ALL TIME*
- -3.05%
KLAC
- 1D
- 1.38%
- 1M
- -22.39%
- 6M
- 28.36%
- YTD
- 50.85%
- 1Y
- 107.52%
- 3Y*
- 53.92%
- 5Y*
- 40.75%
- 10Y*
- 39.77%
- ALL TIME*
- 22.49%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $27.27M | $25.36M | $48.11M | |
KLAC KLA Corporation | $2.50B | $2.71B | $2.78B |
AMSC vs. KLAC - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AMSC American Superconductor Corporation | 2.05% | 16.85% | 121.10% | 202.72% | -66.18% | -53.54% | 198.34% | -29.60% | 207.16% | -50.75% |
KLAC KLA Corporation | 50.85% | 94.48% | 9.36% | 56.05% | -11.20% | 68.05% | 47.94% | 103.99% | -12.49% | 36.80% |
Correlation
The correlation between AMSC and KLAC is 0.54, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.54 |
Correlation (3Y) Balances recent behavior with more history. | 0.46 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.45 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.36 |
Correlation (All Time) Calculated using the full available price history since Dec 12, 1991 | 0.27 |
Over the past year, AMSC and KLAC have become more correlated (0.54) than their long-term average of 0.27, meaning their price movements have been converging.
Fundamentals
AMSC:
$1.42B
KLAC:
$238.81B
AMSC:
$2.95
KLAC:
$3.66
AMSC:
9.94
KLAC:
49.92
AMSC:
0.02
KLAC:
3.11
AMSC:
4.45
KLAC:
17.76
AMSC:
2.47
KLAC:
37.86
AMSC:
$299.15M
KLAC:
$13.58B
AMSC:
$91.38M
KLAC:
$8.32B
AMSC:
$19.29M
KLAC:
$6.12B
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Return for Risk
AMSC vs. KLAC — Risk / Return Rank
AMSC
KLAC
AMSC vs. KLAC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Superconductor Corporation (AMSC) and KLA Corporation (KLAC). 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 | KLAC | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.44 | ||
| Sortino ratioReturn per unit of downside risk | -2.72 | ||
| Omega ratioGain probability vs. loss probability | 0.94 | 1.31 | -0.37 |
| Calmar ratioReturn relative to maximum drawdown | -0.79 | 2.52 | -3.32 |
| Martin ratioReturn relative to average drawdown | -1.21 | 9.80 | -11.01 |
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Drawdowns
AMSC vs. KLAC - Drawdown Comparison
The maximum AMSC drawdown since its inception was -99.57%, which is greater than KLAC's maximum drawdown of -83.74%. Use the drawdown chart below to compare losses from any high point for AMSC and KLAC.
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Drawdown Indicators
| AMSC | KLAC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.57% | -83.74% | -15.83% |
Max Drawdown (1Y)Largest decline over 1 year | -61.08% | -43.59% | -17.49% |
Max Drawdown (3Y)Largest decline over 3 years | -61.08% | -43.59% | -17.49% |
Max Drawdown (5Y)Largest decline over 5 years | -82.94% | -43.59% | -39.35% |
Max Drawdown (10Y)Largest decline over 10 years | -89.06% | -43.59% | -45.47% |
Current DrawdownCurrent decline from peak | -95.76% | -39.41% | -56.35% |
Average DrawdownAverage peak-to-trough decline | -75.83% | -29.29% | -46.54% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 40.10% | 11.20% | +28.90% |
Volatility
AMSC vs. KLAC - Volatility Comparison
American Superconductor Corporation (AMSC) and KLA Corporation (KLAC) have volatilities of 22.38% and 22.35%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AMSC | KLAC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 22.38% | 22.35% | +0.03% |
Volatility (6M)Calculated over the trailing 6-month period | 57.61% | 51.87% | +5.74% |
Volatility (1Y)Calculated over the trailing 1-year period | 87.44% | 59.59% | +27.85% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 87.66% | 46.07% | +41.59% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 79.49% | 43.21% | +36.28% |
Dividends
AMSC vs. KLAC - Dividend Comparison
AMSC has not paid dividends to shareholders, while KLAC's dividend yield for the trailing twelve months is around 0.44%.
| 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% |
KLAC KLA Corporation | 0.44% | 0.61% | 0.96% | 0.92% | 1.25% | 0.91% | 1.35% | 1.74% | 3.17% | 2.15% | 2.67% | 2.94% |
Financials
AMSC vs. KLAC - Financials Comparison
This section allows you to compare key financial metrics between American Superconductor Corporation and KLA 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. KLAC - Profitability Comparison
AMSC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 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%.
KLAC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, KLA Corporation reported a gross profit of 2.24B and revenue of 3.66B. Therefore, the gross margin over that period was 61.4%.
AMSC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, American Superconductor Corporation reported an operating income of -522.00K and revenue of 86.41M, resulting in an operating margin of -0.6%.
KLAC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, KLA Corporation reported an operating income of 1.55B and revenue of 3.66B, resulting in an operating margin of 42.5%.
AMSC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, American Superconductor Corporation reported a net income of 4.53M and revenue of 86.41M, resulting in a net margin of 5.2%.
KLAC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, KLA Corporation reported a net income of 1.36B and revenue of 3.66B, resulting in a net margin of 37.3%.
Frequently Asked Questions
AMSC and KLAC have a correlation of 0.54, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AMSC has higher volatility (22.38%) compared to KLAC (22.35%). In terms of maximum drawdown, AMSC dropped -99.57% vs KLAC's -83.74%.
KLAC currently has the higher Sharpe Ratio (1.85 vs -0.59), 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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