IOO vs VYM
iShares Global 100 ETF vs Vanguard High Dividend Yield ETF
Quick Verdict
VYM has a lower expense ratio. IOO delivered stronger 1-year returns. VYM offers more diversification with 558 holdings.
Side-by-Side Comparison
| Metric | IOO | VYM | Winner |
|---|---|---|---|
| Expense Ratio | 0.40% | 0.04% | |
| AUM | $8.7B | $79.0B | |
| Dividend Yield | 0.85% | 2.86% | |
| Holdings | 117 | 568 | |
| YTD Return | +14.54% | +16.16% | |
| 1Y Return | +29.14% | +26.05% | |
| 3Y Return (annualized) | +25.43% | +18.43% | |
| 5Y Return (annualized) | +16.07% | +12.21% | |
| Volatility (annualized) | 15.8% | 14.6% | |
| Max Drawdown | -57.9% | -58.8% | |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) | |
| Category | Equity | Equity | |
| Inception | Dec 5, 2000 | Nov 10, 2006 |
IOO vs VYM Performance
iShares Global 100 ETF (IOO) is a ETF from iShares by BlackRock (US) and Vanguard High Dividend Yield ETF (VYM) is a ETF from Vanguard (US). Over the past year IOO returned +29.14% while VYM returned +26.05%. Year to date, IOO is up 14.54% versus a gain of 16.16% for VYM.
Over three years, IOO compounded at +25.43% per year against +18.43% for VYM; over five years the annualized figures are +16.07% and +12.21% respectively. Across the full 20-year window we track, VYM has the edge at +7.09% annualized vs +5.86%. Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
IOO has been the more volatile fund, with annualized monthly volatility of 15.8% compared with 14.6% for VYM. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -57.9% for IOO and -58.8% for VYM. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.
The two funds' monthly returns correlate at 0.88. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
IOO charges 0.40% per year while VYM charges 0.04%. On a $10,000 position that is $40 vs $4 annually, a gap of $36 per year that compounds over a long holding period. On income, IOO currently yields 0.85% against 2.86% for VYM.
Holdings Overlap
IOO and VYM share 34 holdings out of 626 unique holdings combined, representing a 24.7% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Frequently Asked Questions
Which is cheaper, IOO or VYM?
IOO has an expense ratio of 0.40% while VYM charges 0.04%. VYM is the cheaper option. On a $10,000 investment, that is $36 per year of difference.
Which performed better, IOO or VYM?
Over the past year IOO returned +29.14% vs +26.05% for VYM, so IOO leads on 1-year performance. Over the longest common window we track (20 years), IOO annualized +5.86% vs +7.09% for VYM. Past performance does not guarantee future results.
Which is riskier, IOO or VYM?
IOO has been the more volatile fund at 15.8% annualized versus 14.6% for VYM. Worst drawdown: IOO -57.9% vs VYM -58.8%.
Should I hold both IOO and VYM?
IOO and VYM have a monthly-return correlation of 0.88, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between IOO and VYM?
IOO and VYM share 34 common holdings with a 24.7% weight overlap. Combined, they hold 626 unique securities.
Which pays a higher dividend, IOO or VYM?
IOO yields 0.85% while VYM yields 2.86%, so VYM currently pays the higher dividend yield.
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