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IOO vs. VEGA
Performance
Return for Risk
Drawdowns
Volatility
Dividends

IOO vs. VEGA

Last updated Jun 5, 2026

IOO (iShares Global 100 ETF) and VEGA (AdvisorShares STAR Global Buy-Write ETF) are both Global Equities funds. IOO is passively managed, while VEGA is actively managed. Over the past 10 years, IOO returned 16.67%/yr vs 7.95%/yr for VEGA. A 0.69 correlation means they provide meaningful diversification when combined. IOO charges 0.40%/yr vs 2.02%/yr for VEGA.

Performance

IOO vs. VEGA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Global 100 ETF (IOO) and AdvisorShares STAR Global Buy-Write ETF (VEGA). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, IOO achieves a 12.77% return, which is significantly higher than VEGA's 7.40% return. Over the past 10 years, IOO has outperformed VEGA with an annualized return of 16.67%, while VEGA has yielded a comparatively lower 7.95% annualized return.

IOO

1D
0.45%
1M
4.62%
YTD
12.77%
6M
13.23%
1Y
38.40%
3Y*
25.74%
5Y*
16.78%
10Y*
16.67%

VEGA

1D
0.29%
1M
2.60%
YTD
7.40%
6M
7.26%
1Y
18.86%
3Y*
14.10%
5Y*
7.32%
10Y*
7.95%
*Multi-year figures are annualized to reflect compound growth (CAGR)

IOO vs. VEGA - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
IOO
iShares Global 100 ETF		12.77%27.02%26.54%27.71%-16.34%26.03%18.61%30.01%-6.22%23.56%
VEGA
AdvisorShares STAR Global Buy-Write ETF		7.40%15.83%11.20%15.12%-15.02%12.36%8.37%19.29%-6.58%11.50%

Correlation

The correlation between IOO and VEGA is 0.85, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

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

0.85

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

0.79

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

0.83

Correlation (10Y)
Calculated over the trailing 10-year period

0.73

Correlation (All Time)
Calculated using the full available price history since Sep 19, 2012

0.69

The correlation between IOO and VEGA shifts across timeframes, from 0.69 (all time) to 0.85 (1 year), reflecting how their relationship changes across market environments.

IOO vs. VEGA - Sectors Allocation Comparison

Sectors
IOO
VEGA

Technology

46.2%
31.7%

Communication Services

11.0%
9.3%

Financial Services

9.1%
14.6%

Consumer Cyclical

8.4%
10.1%

Healthcare

8.4%
8.4%

Consumer Defensive

5.6%
4.6%

Industrials

4.8%
10.8%

Energy

3.6%
3.5%

Basic Materials

1.7%
2.6%

Utilities

0.5%
2.6%

Real Estate

0.2%
1.8%

Technology

IOO
46.2%
VEGA
31.7%

Communication Services

IOO
11.0%
VEGA
9.3%

Financial Services

IOO
9.1%
VEGA
14.6%

Consumer Cyclical

IOO
8.4%
VEGA
10.1%

Healthcare

IOO
8.4%
VEGA
8.4%

Consumer Defensive

IOO
5.6%
VEGA
4.6%

Industrials

IOO
4.8%
VEGA
10.8%

Energy

IOO
3.6%
VEGA
3.5%

Basic Materials

IOO
1.7%
VEGA
2.6%

Utilities

IOO
0.5%
VEGA
2.6%

Real Estate

IOO
0.2%
VEGA
1.8%

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

iShares Global 100 ETF

AdvisorShares STAR Global Buy-Write ETF

Often compared with IOO:
IOO vs. IVVIOO vs. SPYIOO vs. NDQ.AXIOO vs. OEFIOO vs. NDAQIOO vs. VGTIOO vs. MOAT
Often compared with VEGA:
VEGA vs. SPYVEGA vs. JEPIVEGA vs. DIVOVEGA vs. CAPEVEGA vs. VTVEGA vs. AVTMVEGA vs. AVGV

Return for Risk

IOO vs. VEGA — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
IOO
IOO Risk / Return Rank: 8484
Overall Rank
IOO Sharpe Ratio Rank: 8787
Sharpe Ratio Rank
IOO Sortino Ratio Rank: 8787
Sortino Ratio Rank
IOO Omega Ratio Rank: 8484
Omega Ratio Rank
IOO Calmar Ratio Rank: 7878
Calmar Ratio Rank
IOO Martin Ratio Rank: 8686
Martin Ratio Rank
VEGA
VEGA Risk / Return Rank: 6464
Overall Rank
VEGA Sharpe Ratio Rank: 6464
Sharpe Ratio Rank
VEGA Sortino Ratio Rank: 6565
Sortino Ratio Rank
VEGA Omega Ratio Rank: 6565
Omega Ratio Rank
VEGA Calmar Ratio Rank: 5757
Calmar Ratio Rank
VEGA Martin Ratio Rank: 6868
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.

IOO vs. VEGA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Global 100 ETF (IOO) and AdvisorShares STAR Global Buy-Write ETF (VEGA). 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.

IOOVEGADifference
Sharpe ratioReturn per unit of total volatility
2.85
2.09

+0.76

Sortino ratioReturn per unit of downside risk
3.86
2.96

+0.90

Omega ratioGain probability vs. loss probability

1.51

1.39

+0.12

Calmar ratioReturn relative to maximum drawdown

3.88

2.76

+1.12

Martin ratioReturn relative to average drawdown

18.01

12.41

+5.61

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IOO vs. VEGA - Sharpe Ratio Comparison

The current IOO Sharpe Ratio is 2.85, which is higher than the VEGA Sharpe Ratio of 2.09. The chart below compares the historical Sharpe Ratios of IOO and VEGA, 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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Sharpe Ratios by Period

IOOVEGADifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.85

2.09

+0.76

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.99

0.60

+0.39

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.94

0.63

+0.31

Sharpe Ratio (All Time)

Calculated using the full available price history

0.39

0.53

-0.13

Drawdowns

IOO vs. VEGA - Drawdown Comparison

The maximum IOO drawdown since its inception was -55.85%, which is greater than VEGA's maximum drawdown of -28.37%. Use the drawdown chart below to compare losses from any high point for IOO and VEGA.

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Drawdown Indicators

IOOVEGADifference

Max Drawdown

Largest peak-to-trough decline

-55.85%

-28.37%

-27.48%

Max Drawdown (1Y)

Largest decline over 1 year

-9.94%

-6.86%

-3.08%

Max Drawdown (3Y)

Largest decline over 3 years

-19.19%

-11.62%

-7.57%

Max Drawdown (5Y)

Largest decline over 5 years

-23.52%

-22.78%

-0.74%

Max Drawdown (10Y)

Largest decline over 10 years

-31.43%

-28.37%

-3.06%

Current Drawdown

Current decline from peak

-0.88%

-0.23%

-0.65%

Average Drawdown

Average peak-to-trough decline

-11.27%

-3.79%

-7.48%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.14%

1.52%

+0.62%

Volatility

IOO vs. VEGA - Volatility Comparison

iShares Global 100 ETF (IOO) has a higher volatility of 3.70% compared to AdvisorShares STAR Global Buy-Write ETF (VEGA) at 2.65%. This indicates that IOO's price experiences larger fluctuations and is considered to be riskier than VEGA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

IOOVEGADifference

Volatility (1M)

Calculated over the trailing 1-month period

3.70%

2.65%

+1.05%

Volatility (6M)

Calculated over the trailing 6-month period

10.59%

7.45%

+3.14%

Volatility (1Y)

Calculated over the trailing 1-year period

13.54%

9.06%

+4.48%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

17.04%

12.29%

+4.75%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

17.77%

12.70%

+5.07%

IOO vs. VEGA - Expense Ratio Comparison

IOO has a 0.40% expense ratio, which is lower than VEGA's 2.02% expense ratio.

Dividends

IOO vs. VEGA - Dividend Comparison

IOO's dividend yield for the trailing twelve months is around 0.81%, less than VEGA's 1.25% yield.

PositionTTM20252024202320222021202020192018201720162015
IOO
iShares Global 100 ETF		0.81%0.92%1.08%1.49%2.00%1.53%1.49%2.02%2.54%2.23%2.75%2.89%
VEGA
AdvisorShares STAR Global Buy-Write ETF		1.25%1.34%1.05%1.12%1.89%0.55%0.28%0.44%0.45%0.00%0.81%0.00%

Frequently Asked Questions

IOO and VEGA have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

IOO has higher volatility (3.70%) compared to VEGA (2.65%). In terms of maximum drawdown, IOO dropped -55.85% vs VEGA's -28.37%.

On 10-year performance, IOO leads with 16.67% vs 7.95% for VEGA. On fees, IOO is cheaper at 0.40% per year. On volatility, VEGA has been the lower-risk option at 2.65%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 10-year period, IOO has performed better with a 16.67% return vs 7.95%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

IOO is cheaper with a 0.40% expense ratio, compared with 2.02% for VEGA.

VEGA has the higher dividend yield at 1.25%, compared with 0.81% for IOO.

They also come from different issuers: iShares and AdvisorShares. Their fees differ too: 0.40% for IOO and 2.02% for VEGA.

IOO currently has the higher Sharpe Ratio (2.85 vs 2.09), 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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