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ETW vs. EOS-USD
Performance
Return for Risk
Drawdowns
Volatility

Performance

ETW vs. EOS-USD - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Eaton Vance Tax-Managed Global Buy-Write Opportunities Fund (ETW) and EOS (EOS-USD). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, ETW achieves a 9.89% return, which is significantly higher than EOS-USD's -59.34% return.


ETW

1D
0.31%
1M
1.75%
6M
6.90%
YTD
9.89%
1Y
21.38%
3Y*
16.20%
5Y*
6.32%
10Y*
8.39%
ALL TIME*
7.28%

EOS-USD

1D
0.52%
1M
-10.94%
6M
-29.85%
YTD
-59.34%
1Y
-87.40%
3Y*
-55.41%
5Y*
-56.61%
10Y*
ALL TIME*
-18.17%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison


PositionAvg. Volume Value (2W)Avg. Volume Value (1M)Avg. Volume Value (3M)

EOS-USD

EOS
$2.14K$4.21K$7.04K
$2.38M$2.15M$2.29M

ETW vs. EOS-USD - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
ETW
Eaton Vance Tax-Managed Global Buy-Write Opportunities Fund
9.89%20.10%19.03%9.34%-23.87%25.36%3.24%18.87%-12.10%9.12%
EOS-USD
EOS
-59.34%-79.52%-8.35%-1.89%-71.60%16.76%0.93%0.16%-70.72%2,091.49%

Correlation

The correlation between ETW and EOS-USD is 0.16, which is low. Their historical price movements had little consistent relationship.


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

0.16

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

0.21

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

0.20

Correlation (All Time)
Calculated using the full available price history since Jun 27, 2017

0.13

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Return for Risk

ETW vs. EOS-USD — Risk / Return Rank

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

ETW
ETW Risk / Return Rank: 8585
Overall Rank
ETW Sharpe Ratio Rank: 8787
Sharpe Ratio Rank
ETW Sortino Ratio Rank: 8585
Sortino Ratio Rank
ETW Omega Ratio Rank: 8383
Omega Ratio Rank
ETW Calmar Ratio Rank: 7979
Calmar Ratio Rank
ETW Martin Ratio Rank: 9090
Martin Ratio Rank

EOS-USD
EOS-USD Risk / Return Rank: 88
Overall Rank
EOS-USD Sharpe Ratio Rank: 33
Sharpe Ratio Rank
EOS-USD Sortino Ratio Rank: 00
Sortino Ratio Rank
EOS-USD Omega Ratio Rank: 00
Omega Ratio Rank
EOS-USD Calmar Ratio Rank: 11
Calmar Ratio Rank
EOS-USD Martin Ratio Rank: 3838
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.

ETW vs. EOS-USD - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Eaton Vance Tax-Managed Global Buy-Write Opportunities Fund (ETW) and EOS (EOS-USD). 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.


ETWEOS-USDDifference
Sharpe ratioReturn per unit of total volatility

+2.81

Sortino ratioReturn per unit of downside risk

+5.41

Omega ratioGain probability vs. loss probability

1.30

0.69

+0.61

Calmar ratioReturn relative to maximum drawdown

2.11

-0.99

+3.10

Martin ratioReturn relative to average drawdown

9.69

-1.24

+10.93

ETW vs. EOS-USD - Sharpe Ratio Comparison

The current ETW Sharpe Ratio is 1.67, which is higher than the EOS-USD Sharpe Ratio of -1.14. The chart below compares the historical Sharpe Ratios of ETW and EOS-USD, 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

ETW vs. EOS-USD - Drawdown Comparison

The maximum ETW drawdown since its inception was -54.13%, smaller than the maximum EOS-USD drawdown of -99.72%. Use the drawdown chart below to compare losses from any high point for ETW and EOS-USD.


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Drawdown Indicators


ETWEOS-USDDifference

Max Drawdown

Largest peak-to-trough decline

-54.13%

-99.72%

+45.59%

Max Drawdown (1Y)

Largest decline over 1 year

-10.16%

-89.53%

+79.37%

Max Drawdown (3Y)

Largest decline over 3 years

-16.28%

-95.65%

+79.37%

Max Drawdown (5Y)

Largest decline over 5 years

-27.94%

-99.05%

+71.11%

Max Drawdown (10Y)

Largest decline over 10 years

-47.96%

Current Drawdown

Current decline from peak

-0.21%

-99.70%

+99.49%

Average Drawdown

Average peak-to-trough decline

-7.65%

-85.13%

+77.48%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.21%

65.29%

-63.08%

Volatility

ETW vs. EOS-USD - Volatility Comparison

The current volatility for Eaton Vance Tax-Managed Global Buy-Write Opportunities Fund (ETW) is 3.90%, while EOS (EOS-USD) has a volatility of 15.23%. This indicates that ETW experiences smaller price fluctuations and is considered to be less risky than EOS-USD based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


ETWEOS-USDDifference

Volatility (1M)

Calculated over the trailing 1-month period

3.90%

15.23%

-11.33%

Volatility (6M)

Calculated over the trailing 6-month period

10.95%

52.50%

-41.55%

Volatility (1Y)

Calculated over the trailing 1-year period

12.91%

64.42%

-51.51%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

16.74%

71.35%

-54.61%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

19.87%

108.58%

-88.71%

Frequently Asked Questions


ETW and EOS-USD have a correlation of 0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

EOS-USD has higher volatility (15.23%) compared to ETW (3.90%). In terms of maximum drawdown, ETW dropped -54.13% vs EOS-USD's -99.72%.

ETW currently has the higher Sharpe Ratio (1.67 vs -1.14), 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.

Portfolio Optimizer

Find the right allocation for ETW and EOS-USD

Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

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