AMSC vs. AMBA
AMSC (American Superconductor Corporation) and AMBA (Ambarella, Inc.) are both stocks. AMSC operates in Specialty Industrial Machinery (Industrials), while AMBA operates in Semiconductor Equipment & Materials (Technology). Over the past 10 years, AMSC returned 14.23%/yr vs 3.49%/yr for AMBA. At a 0.33 correlation, their price movements are largely independent.
Performance
AMSC vs. AMBA - Performance Comparison
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Returns By Period
In the year-to-date period, AMSC achieves a 24.95% return, which is significantly higher than AMBA's 9.12% return. Over the past 10 years, AMSC has outperformed AMBA with an annualized return of 14.23%, while AMBA has yielded a comparatively lower 3.49% annualized return.
AMSC
- 1D
- -3.26%
- 1M
- -8.99%
- 6M
- 17.25%
- YTD
- 24.95%
- 1Y
- -8.20%
- 3Y*
- 75.08%
- 5Y*
- 17.38%
- 10Y*
- 14.23%
AMBA
- 1D
- -1.38%
- 1M
- 17.48%
- 6M
- 11.62%
- YTD
- 9.12%
- 1Y
- 15.58%
- 3Y*
- -1.42%
- 5Y*
- -5.30%
- 10Y*
- 3.49%
AMSC vs. AMBA - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AMSC American Superconductor Corporation | 24.95% | 16.85% | 121.10% | 202.72% | -66.18% | -53.54% | 198.34% | -29.60% | 207.16% | -50.75% |
AMBA Ambarella, Inc. | 9.12% | -2.61% | 18.68% | -25.47% | -59.47% | 120.96% | 51.62% | 73.13% | -40.46% | 8.54% |
Correlation
The correlation between AMSC and AMBA is 0.52, 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 | 0.52 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.46 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.47 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.39 |
Correlation (All Time) Calculated using the full available price history since Oct 10, 2012 | 0.33 |
The correlation between AMSC and AMBA shifts across timeframes, from 0.33 (all time) to 0.52 (1 year), reflecting how their relationship changes across market environments.
Fundamentals
AMSC:
$1.74B
AMBA:
$3.39B
AMSC:
$2.95
AMBA:
-$1.62
AMSC:
5.44
AMBA:
8.19
AMSC:
3.03
AMBA:
5.56
AMSC:
$299.15M
AMBA:
$405.19M
AMSC:
$91.38M
AMBA:
$238.32M
AMSC:
$19.29M
AMBA:
-$69.43M
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Return for Risk
AMSC vs. AMBA — Risk / Return Rank
AMSC
AMBA
AMSC vs. AMBA - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Superconductor Corporation (AMSC) and Ambarella, Inc. (AMBA). 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 | AMBA | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.31 | ||
| Sortino ratioReturn per unit of downside risk | -0.33 | ||
| Omega ratioGain probability vs. loss probability | 1.06 | 1.11 | -0.05 |
| Calmar ratioReturn relative to maximum drawdown | -0.16 | 0.30 | -0.45 |
| Martin ratioReturn relative to average drawdown | -0.25 | 0.59 | -0.84 |
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Drawdowns
AMSC vs. AMBA - Drawdown Comparison
The maximum AMSC drawdown since its inception was -99.57%, which is greater than AMBA's maximum drawdown of -81.65%. Use the drawdown chart below to compare losses from any high point for AMSC and AMBA.
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Drawdown Indicators
| AMSC | AMBA | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.57% | -81.65% | -17.92% |
Max Drawdown (1Y)Largest decline over 1 year | -61.08% | -49.06% | -12.02% |
Max Drawdown (3Y)Largest decline over 3 years | -63.86% | -52.74% | -11.12% |
Max Drawdown (5Y)Largest decline over 5 years | -82.94% | -81.65% | -1.29% |
Max Drawdown (10Y)Largest decline over 10 years | -89.06% | -81.65% | -7.41% |
Current DrawdownCurrent decline from peak | -94.81% | -64.35% | -30.46% |
Average DrawdownAverage peak-to-trough decline | -75.80% | -48.51% | -27.29% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 38.03% | 24.62% | +13.41% |
Volatility
AMSC vs. AMBA - Volatility Comparison
The current volatility for American Superconductor Corporation (AMSC) is 22.33%, while Ambarella, Inc. (AMBA) has a volatility of 35.14%. This indicates that AMSC experiences smaller price fluctuations and is considered to be less risky than AMBA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AMSC | AMBA | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 22.33% | 35.14% | -12.81% |
Volatility (6M)Calculated over the trailing 6-month period | 54.94% | 57.00% | -2.06% |
Volatility (1Y)Calculated over the trailing 1-year period | 85.50% | 72.60% | +12.90% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 87.45% | 65.11% | +22.34% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 79.28% | 57.86% | +21.42% |
Dividends
AMSC vs. AMBA - Dividend Comparison
Neither AMSC nor AMBA has paid dividends to shareholders.
Financials
AMSC vs. AMBA - Financials Comparison
This section allows you to compare key financial metrics between American Superconductor Corporation and Ambarella, 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. AMBA - Profitability Comparison
AMSC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 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%.
AMBA - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Ambarella, Inc. reported a gross profit of 58.59M and revenue of 100.36M. Therefore, the gross margin over that period was 58.4%.
AMSC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, American Superconductor Corporation reported an operating income of -522.00K and revenue of 86.41M, resulting in an operating margin of -0.6%.
AMBA - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Ambarella, Inc. reported an operating income of -19.42M and revenue of 100.36M, resulting in an operating margin of -19.4%.
AMSC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, American Superconductor Corporation reported a net income of 4.53M and revenue of 86.41M, resulting in a net margin of 5.2%.
AMBA - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Ambarella, Inc. reported a net income of -18.09M and revenue of 100.36M, resulting in a net margin of -18.0%.
Frequently Asked Questions
AMSC and AMBA have a correlation of 0.52, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AMBA has higher volatility (35.14%) compared to AMSC (22.33%). In terms of maximum drawdown, AMSC dropped -99.57% vs AMBA's -81.65%.
AMBA currently has the higher Sharpe Ratio (0.20 vs -0.11), 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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