AMSC vs. ECOR
AMSC (American Superconductor Corporation) and ECOR (electroCore, Inc.) are both stocks. AMSC operates in Specialty Industrial Machinery (Industrials), while ECOR operates in Medical Devices (Healthcare). Over the past 5 years, AMSC returned 21.82%/yr vs -18.22%/yr for ECOR. At a 0.18 correlation, their price movements are largely independent.
Performance
AMSC vs. ECOR - 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 ECOR's 103.12% 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%
ECOR
- 1D
- -11.12%
- 1M
- 45.30%
- YTD
- 103.12%
- 6M
- 90.99%
- 1Y
- 78.98%
- 3Y*
- 26.93%
- 5Y*
- -18.22%
- 10Y*
- —
AMSC vs. ECOR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
AMSC American Superconductor Corporation | 42.70% | 16.85% | 121.10% | 202.72% | -66.18% | -53.54% | 198.34% | -29.60% | 57.49% |
ECOR electroCore, Inc. | 103.12% | -72.33% | 172.35% | 54.54% | -55.92% | -62.66% | -1.89% | -74.60% | -67.29% |
Correlation
The correlation between AMSC and ECOR is 0.26, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.26 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.12 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.17 |
Correlation (All Time) Calculated using the full available price history since Jun 22, 2018 | 0.18 |
The correlation between AMSC and ECOR shifts across timeframes, from 0.12 (3 years) to 0.26 (1 year), reflecting how their relationship changes across market environments.
Fundamentals
AMSC:
$1.92B
ECOR:
$81.56M
AMSC:
$3.05
ECOR:
-$1.82
AMSC:
6.03
ECOR:
2.20
AMSC:
$299.15M
ECOR:
$34.90M
AMSC:
$91.38M
ECOR:
$30.45M
AMSC:
$19.29M
ECOR:
-$13.17M
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Return for Risk
AMSC vs. ECOR — Risk / Return Rank
AMSC
ECOR
AMSC vs. ECOR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Superconductor Corporation (AMSC) and electroCore, Inc. (ECOR). 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 | ECOR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.39 | ||
| Sortino ratioReturn per unit of downside risk | -0.56 | ||
| Omega ratioGain probability vs. loss probability | 1.17 | 1.22 | -0.05 |
| Calmar ratioReturn relative to maximum drawdown | 0.66 | 1.73 | -1.07 |
| Martin ratioReturn relative to average drawdown | 1.10 | 2.84 | -1.75 |
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Drawdowns
AMSC vs. ECOR - Drawdown Comparison
The maximum AMSC drawdown since its inception was -99.57%, roughly equal to the maximum ECOR drawdown of -98.95%. Use the drawdown chart below to compare losses from any high point for AMSC and ECOR.
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Drawdown Indicators
| AMSC | ECOR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.57% | -98.95% | -0.62% |
Max Drawdown (1Y)Largest decline over 1 year | -61.08% | -45.99% | -15.09% |
Max Drawdown (3Y)Largest decline over 3 years | -63.86% | -77.75% | +13.89% |
Max Drawdown (5Y)Largest decline over 5 years | -82.94% | -87.81% | +4.87% |
Max Drawdown (10Y)Largest decline over 10 years | -89.06% | — | — |
Current DrawdownCurrent decline from peak | -94.07% | -96.94% | +2.87% |
Average DrawdownAverage peak-to-trough decline | -75.76% | -90.61% | +14.85% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 36.52% | 27.87% | +8.65% |
Volatility
AMSC vs. ECOR - Volatility Comparison
The current volatility for American Superconductor Corporation (AMSC) is 23.32%, while electroCore, Inc. (ECOR) has a volatility of 40.79%. This indicates that AMSC experiences smaller price fluctuations and is considered to be less risky than ECOR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AMSC | ECOR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 23.32% | 40.79% | -17.47% |
Volatility (6M)Calculated over the trailing 6-month period | 54.76% | 65.45% | -10.69% |
Volatility (1Y)Calculated over the trailing 1-year period | 85.08% | 91.79% | -6.71% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 87.41% | 89.29% | -1.88% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 79.20% | 128.85% | -49.65% |
Dividends
AMSC vs. ECOR - Dividend Comparison
Neither AMSC nor ECOR has paid dividends to shareholders.
Financials
AMSC vs. ECOR - Financials Comparison
This section allows you to compare key financial metrics between American Superconductor Corporation and electroCore, Inc.. 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. ECOR - 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%.
ECOR - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, electroCore, Inc. reported a gross profit of 8.36M and revenue of 9.58M. Therefore, the gross margin over that period was 87.3%.
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%.
ECOR - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, electroCore, Inc. reported an operating income of -5.32M and revenue of 9.58M, resulting in an operating margin of -55.5%.
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%.
ECOR - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, electroCore, Inc. reported a net income of -5.27M and revenue of 9.58M, resulting in a net margin of -55.0%.
Frequently Asked Questions
AMSC and ECOR have a correlation of 0.26, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ECOR has higher volatility (40.79%) compared to AMSC (23.32%). In terms of maximum drawdown, AMSC dropped -99.57% vs ECOR's -98.95%.
ECOR currently has the higher Sharpe Ratio (0.87 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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