AMSC vs. XES

Last updated Jul 21, 2026

AMSC (American Superconductor Corporation) is a stock, while XES (SPDR S&P Oil & Gas Equipment & Services ETF) is Energy Equities fund tracking the S&P Oil & Gas Equipment & Services Select Industry Index. Over the past 10 years, AMSC returned 13.99%/yr vs -3.55%/yr for XES. At a 0.36 correlation, their price movements are largely independent.

Performance

AMSC vs. XES - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Superconductor Corporation (AMSC) and SPDR S&P Oil & Gas Equipment & Services ETF (XES). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AMSC achieves a 12.96% return, which is significantly lower than XES's 36.58% return. Over the past 10 years, AMSC has outperformed XES with an annualized return of 13.99%, while XES has yielded a comparatively lower -3.55% annualized return.

AMSC

• 1D: -1.56%
• 1M: -25.09%
• 6M: 0.99%
• YTD: 12.96%
• 1Y: -23.90%
• 3Y*: 64.45%
• 5Y*: 16.64%
• 10Y*: 13.99%
• ALL TIME*: -2.77%

XES

• 1D: -0.88%
• 1M: -1.66%
• 6M: 21.81%
• YTD: 36.58%
• 1Y: 76.01%
• 3Y*: 8.98%
• 5Y*: 16.35%
• 10Y*: -3.55%
• ALL TIME*: -3.56%

*Multi-year figures are annualized to reflect compound growth (CAGR)

AMSC vs. XES - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AMSC American Superconductor Corporation	12.96%	16.85%	121.10%	202.72%	-66.18%	-53.54%	198.34%	-29.60%	207.16%	-50.75%
XES SPDR S&P Oil & Gas Equipment & Services ETF	36.58%	5.89%	-5.44%	6.68%	62.03%	12.00%	-43.38%	-9.00%	-46.99%	-21.93%

Correlation

The correlation between AMSC and XES is 0.27, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.27
Correlation (3Y) Calculated over the trailing 3-year period	0.30
Correlation (5Y) Calculated over the trailing 5-year period	0.31
Correlation (10Y) Calculated over the trailing 10-year period	0.32
Correlation (All Time) Calculated using the full available price history since Jun 22, 2006	0.36

Return for Risk

AMSC vs. XES — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

AMSC

AMSC Risk / Return Rank: 35
AMSC Sharpe Ratio Rank: 33
AMSC Sortino Ratio Rank: 39
AMSC Omega Ratio Rank: 39
AMSC Calmar Ratio Rank: 31
AMSC Martin Ratio Rank: 33

XES

XES Risk / Return Rank: 88
XES Sharpe Ratio Rank: 92
XES Sortino Ratio Rank: 88
XES Omega Ratio Rank: 86
XES Calmar Ratio Rank: 87
XES Martin Ratio Rank: 84

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

AMSC vs. XES - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Superconductor Corporation (AMSC) and SPDR S&P Oil & Gas Equipment & Services ETF (XES). 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	XES	Difference
Sharpe ratio: Return per unit of total volatility	-0.28	2.50	-2.78
Sortino ratio: Return per unit of downside risk	0.18	3.12	-2.94
Omega ratio: Gain probability vs. loss probability	1.02	1.39	-0.36
Calmar ratio: Return relative to maximum drawdown	-0.39	3.69	-4.09
Martin ratio: Return relative to average drawdown	-0.62	12.53	-13.15

AMSC vs. XES - Sharpe Ratio Comparison

The current AMSC Sharpe Ratio is -0.28, which is lower than the XES Sharpe Ratio of 2.50. The chart below compares the historical Sharpe Ratios of AMSC and XES, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

AMSC vs. XES - Drawdown Comparison

The maximum AMSC drawdown since its inception was -99.57%, roughly equal to the maximum XES drawdown of -95.65%. Use the drawdown chart below to compare losses from any high point for AMSC and XES.

Drawdown Indicators

	AMSC	XES	Difference
Max Drawdown Largest peak-to-trough decline	-99.57%	-95.65%	-3.92%
Max Drawdown (1Y) Largest decline over 1 year	-61.08%	-20.69%	-40.39%
Max Drawdown (3Y) Largest decline over 3 years	-63.86%	-45.95%	-17.91%
Max Drawdown (5Y) Largest decline over 5 years	-82.94%	-45.95%	-36.99%
Max Drawdown (10Y) Largest decline over 10 years	-89.06%	-91.23%	+2.17%
Current Drawdown Current decline from peak	-95.31%	-73.62%	-21.69%
Average Drawdown Average peak-to-trough decline	-75.81%	-54.46%	-21.35%
Ulcer Index Depth and duration of drawdowns from previous peaks	38.78%	6.09%	+32.69%

Volatility

AMSC vs. XES - Volatility Comparison

American Superconductor Corporation (AMSC) has a higher volatility of 20.17% compared to SPDR S&P Oil & Gas Equipment & Services ETF (XES) at 8.59%. This indicates that AMSC's price experiences larger fluctuations and is considered to be riskier than XES based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AMSC	XES	Difference
Volatility (1M) Calculated over the trailing 1-month period	20.17%	8.59%	+11.58%
Volatility (6M) Calculated over the trailing 6-month period	55.59%	21.22%	+34.37%
Volatility (1Y) Calculated over the trailing 1-year period	85.99%	30.63%	+55.36%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	87.46%	38.69%	+48.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	79.33%	44.85%	+34.48%

Dividends

AMSC vs. XES - Dividend Comparison

AMSC has not paid dividends to shareholders, while XES's dividend yield for the trailing twelve months is around 1.17%.

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%
XES SPDR S&P Oil & Gas Equipment & Services ETF	1.17%	1.69%	1.31%	0.66%	0.36%	1.81%	1.33%	1.43%	1.14%	1.68%	0.64%	2.47%

Frequently Asked Questions

Can I hold both AMSC and XES in my portfolio?

AMSC and XES have a correlation of 0.27, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AMSC or XES?

AMSC has higher volatility (20.17%) compared to XES (8.59%). In terms of maximum drawdown, AMSC dropped -99.57% vs XES's -95.65%.

Which has better risk-adjusted returns?

XES currently has the higher Sharpe Ratio (2.50 vs -0.28), 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.