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AMSC vs. EWZ
Performance
Return for Risk
Drawdowns
Volatility
Dividends

Performance

AMSC vs. EWZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Superconductor Corporation (AMSC) and iShares MSCI Brazil ETF (EWZ). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, AMSC achieves a 2.05% return, which is significantly lower than EWZ's 16.46% return. Over the past 10 years, AMSC has outperformed EWZ with an annualized return of 12.68%, while EWZ has yielded a comparatively lower 6.64% annualized return.


AMSC

1D
-0.27%
1M
-26.43%
6M
-1.84%
YTD
2.05%
1Y
-48.34%
3Y*
22.11%
5Y*
15.89%
10Y*
12.68%
ALL TIME*
-3.05%

EWZ

1D
0.33%
1M
7.23%
6M
-0.11%
YTD
16.46%
1Y
44.24%
3Y*
9.53%
5Y*
7.67%
10Y*
6.64%
ALL TIME*
6.52%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison


PositionAvg. Volume Value (2W)Avg. Volume Value (1M)Avg. Volume Value (3M)
$27.27M$25.36M$48.11M
$598.51M$637.15M$833.60M

AMSC vs. EWZ - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
AMSC
American Superconductor Corporation
2.05%16.85%121.10%202.72%-66.18%-53.54%198.34%-29.60%207.16%-50.75%
EWZ
iShares MSCI Brazil ETF
16.46%48.81%-30.41%32.62%12.09%-17.32%-20.35%27.67%-2.52%23.62%

Correlation

The correlation between AMSC and EWZ is 0.40, which is low. Their historical price movements had little consistent relationship.


Correlation
Correlation (1Y)
Focuses on recent behavior, but can change the most.

0.40

Correlation (3Y)
Balances recent behavior with more history.

0.29

Correlation (5Y)
Shows whether the relationship held over a longer period.

0.26

Correlation (10Y)
Provides a long-term view across more market conditions.

0.23

Correlation (All Time)
Calculated using the full available price history since Jul 14, 2000

0.30

The correlation between AMSC and EWZ shifts across timeframes, from 0.23 (10 years) to 0.40 (1 year), reflecting how their relationship changes across market environments.

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Return for Risk

AMSC vs. EWZ — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

AMSC
AMSC Risk / Return Rank: 1818
Overall Rank
AMSC Sharpe Ratio Rank: 1818
Sharpe Ratio Rank
AMSC Sortino Ratio Rank: 2222
Sortino Ratio Rank
AMSC Omega Ratio Rank: 2222
Omega Ratio Rank
AMSC Calmar Ratio Rank: 1313
Calmar Ratio Rank
AMSC Martin Ratio Rank: 1515
Martin Ratio Rank

EWZ
EWZ Risk / Return Rank: 6868
Overall Rank
EWZ Sharpe Ratio Rank: 7878
Sharpe Ratio Rank
EWZ Sortino Ratio Rank: 7474
Sortino Ratio Rank
EWZ Omega Ratio Rank: 7373
Omega Ratio Rank
EWZ Calmar Ratio Rank: 6767
Calmar Ratio Rank
EWZ Martin Ratio Rank: 4949
Martin Ratio Rank
The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

AMSC vs. EWZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Superconductor Corporation (AMSC) and iShares MSCI Brazil ETF (EWZ). 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.


AMSCEWZDifference
Sharpe ratioReturn per unit of total volatility

-2.36

Sortino ratioReturn per unit of downside risk

-2.83

Omega ratioGain probability vs. loss probability

0.94

1.30

-0.36

Calmar ratioReturn relative to maximum drawdown

-0.79

2.31

-3.10

Martin ratioReturn relative to average drawdown

-1.21

5.64

-6.85

AMSC vs. EWZ - Sharpe Ratio Comparison

The current AMSC Sharpe Ratio is -0.59, which is lower than the EWZ Sharpe Ratio of 1.77. The chart below compares the historical Sharpe Ratios of AMSC and EWZ, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.


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Drawdowns

AMSC vs. EWZ - Drawdown Comparison

The maximum AMSC drawdown since its inception was -99.57%, which is greater than EWZ's maximum drawdown of -77.25%. Use the drawdown chart below to compare losses from any high point for AMSC and EWZ.


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Drawdown Indicators


AMSCEWZDifference

Max Drawdown

Largest peak-to-trough decline

-99.57%

-77.25%

-22.32%

Max Drawdown (1Y)

Largest decline over 1 year

-61.08%

-19.27%

-41.81%

Max Drawdown (3Y)

Largest decline over 3 years

-61.08%

-31.36%

-29.72%

Max Drawdown (5Y)

Largest decline over 5 years

-82.94%

-32.24%

-50.70%

Max Drawdown (10Y)

Largest decline over 10 years

-89.06%

-56.99%

-32.07%

Current Drawdown

Current decline from peak

-95.76%

-18.89%

-76.87%

Average Drawdown

Average peak-to-trough decline

-75.83%

-35.86%

-39.97%

Ulcer Index

Depth and duration of drawdowns from previous peaks

40.10%

7.86%

+32.24%

Volatility

AMSC vs. EWZ - Volatility Comparison

American Superconductor Corporation (AMSC) has a higher volatility of 22.38% compared to iShares MSCI Brazil ETF (EWZ) at 6.69%. This indicates that AMSC's price experiences larger fluctuations and is considered to be riskier than EWZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


AMSCEWZDifference

Volatility (1M)

Calculated over the trailing 1-month period

22.38%

6.69%

+15.69%

Volatility (6M)

Calculated over the trailing 6-month period

57.61%

19.32%

+38.29%

Volatility (1Y)

Calculated over the trailing 1-year period

87.44%

25.12%

+62.32%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

87.66%

27.46%

+60.20%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

79.49%

33.90%

+45.59%

Dividends

AMSC vs. EWZ - Dividend Comparison

AMSC has not paid dividends to shareholders, while EWZ's dividend yield for the trailing twelve months is around 3.99%.


PositionTTM20252024202320222021202020192018201720162015
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%
EWZ
iShares MSCI Brazil ETF
3.99%5.19%8.91%5.66%12.59%9.87%1.71%2.54%2.89%1.71%1.81%4.08%

Frequently Asked Questions


AMSC and EWZ have a correlation of 0.40, 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 EWZ (6.69%). In terms of maximum drawdown, AMSC dropped -99.57% vs EWZ's -77.25%.

EWZ currently has the higher Sharpe Ratio (1.77 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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