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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 10.12% return, which is significantly higher than EOS-USD's -52.28% return.


ETW

1D
0.69%
1M
2.60%
6M
9.29%
YTD
10.12%
1Y
22.76%
3Y*
15.19%
5Y*
6.54%
10Y*
8.92%

EOS-USD

1D
1.72%
1M
3.93%
6M
-58.05%
YTD
-52.28%
1Y
-86.38%
3Y*
-53.57%
5Y*
-53.95%
10Y*
*Multi-year figures are annualized to reflect compound growth (CAGR)

ETW vs. EOS-USD - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
ETW
Eaton Vance Tax-Managed Global Buy-Write Opportunities Fund
10.12%20.10%19.03%9.34%-23.87%25.36%3.24%18.87%-12.10%9.12%
EOS-USD
EOS
-52.28%-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 price movements are largely independent, making them effective diversification partners.


Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.16

Correlation (3Y)
Calculated over the trailing 3-year period

0.20

Correlation (5Y)
Calculated over the trailing 5-year period

0.19

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

ETW
ETW Risk / Return Rank: 8787
Overall Rank
ETW Sharpe Ratio Rank: 8989
Sharpe Ratio Rank
ETW Sortino Ratio Rank: 8888
Sortino Ratio Rank
ETW Omega Ratio Rank: 8686
Omega Ratio Rank
ETW Calmar Ratio Rank: 8181
Calmar Ratio Rank
ETW Martin Ratio Rank: 9191
Martin Ratio Rank

EOS-USD
EOS-USD Risk / Return Rank: 99
Overall Rank
EOS-USD Sharpe Ratio Rank: 33
Sharpe Ratio Rank
EOS-USD Sortino Ratio Rank: 11
Sortino Ratio Rank
EOS-USD Omega Ratio Rank: 11
Omega Ratio Rank
EOS-USD Calmar Ratio Rank: 55
Calmar Ratio Rank
EOS-USD Martin Ratio Rank: 3636
Martin Ratio Rank
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.

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

+2.92

Sortino ratioReturn per unit of downside risk

+5.45

Omega ratioGain probability vs. loss probability

1.32

0.71

+0.62

Calmar ratioReturn relative to maximum drawdown

2.25

-0.97

+3.22

Martin ratioReturn relative to average drawdown

10.55

-1.25

+11.80

ETW vs. EOS-USD - Sharpe Ratio Comparison

The current ETW Sharpe Ratio is 1.80, which is higher than the EOS-USD Sharpe Ratio of -1.13. 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%

-90.38%

+80.22%

Max Drawdown (3Y)

Largest decline over 3 years

-16.28%

-95.62%

+79.34%

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

0.00%

-99.65%

+99.65%

Average Drawdown

Average peak-to-trough decline

-7.67%

-85.04%

+77.37%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.16%

63.19%

-61.03%

Volatility

ETW vs. EOS-USD - Volatility Comparison

The current volatility for Eaton Vance Tax-Managed Global Buy-Write Opportunities Fund (ETW) is 4.02%, while EOS (EOS-USD) has a volatility of 18.88%. 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

4.02%

18.88%

-14.86%

Volatility (6M)

Calculated over the trailing 6-month period

10.63%

57.78%

-47.15%

Volatility (1Y)

Calculated over the trailing 1-year period

12.72%

64.68%

-51.96%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

16.74%

71.41%

-54.67%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

19.85%

108.86%

-89.01%

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 (18.88%) compared to ETW (4.02%). In terms of maximum drawdown, ETW dropped -54.13% vs EOS-USD's -99.72%.

ETW currently has the higher Sharpe Ratio (1.80 vs -1.13), 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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