OZEM vs VOO
Roundhill GLP-1 & Weight Loss ETF vs Vanguard S&P 500 ETF
Quick Verdict
VOO has a lower expense ratio. OZEM delivered stronger 1-year returns. VOO offers more diversification with 505 holdings.
Side-by-Side Comparison
| Metric | OZEM | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.59% | 0.03% | |
| AUM | $63M | $979.0B | |
| Dividend Yield | 0.21% | 1.09% | |
| Holdings | 28 | 509 | |
| YTD Return | -1.92% | +13.44% | |
| 1Y Return | +43.83% | +22.62% | |
| 3Y Return (annualized) | - | +21.47% | |
| 5Y Return (annualized) | - | +13.27% | |
| Volatility (annualized) | 20.1% | 14.1% | |
| Max Drawdown | -28.6% | -34.3% | |
| Fund Family | Roundhill Investments | Vanguard (US) | |
| Category | Equity | Equity | |
| Inception | May 21, 2024 | Sep 7, 2010 |
OZEM vs VOO Performance
Roundhill GLP-1 & Weight Loss ETF (OZEM) is a ETF from Roundhill Investments and Vanguard S&P 500 ETF (VOO) is a ETF from Vanguard (US). Over the past year OZEM returned +43.83% while VOO returned +22.62%. Year to date, OZEM is down 1.92% versus a gain of 13.44% for VOO.
Risk: Volatility and Drawdowns
OZEM has been the more volatile fund, with annualized monthly volatility of 20.1% compared with 14.1% for VOO. 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 -28.6% for OZEM and -34.3% for VOO. 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 0.26. They move independently enough that combining them can meaningfully diversify a portfolio.
Fees and Cost Over Time
OZEM charges 0.59% per year while VOO charges 0.03%. On a $10,000 position that is $59 vs $3 annually, a gap of $56 per year that compounds over a long holding period. On income, OZEM currently yields 0.21% against 1.09% for VOO.
Holdings Overlap
OZEM and VOO share 4 holdings out of 526 unique holdings combined, representing a 2.2% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Frequently Asked Questions
Which is cheaper, OZEM or VOO?
OZEM has an expense ratio of 0.59% while VOO charges 0.03%. VOO is the cheaper option. On a $10,000 investment, that is $56 per year of difference.
Which performed better, OZEM or VOO?
Over the past year OZEM returned +43.83% vs +22.62% for VOO, so OZEM leads on 1-year performance. Over the longest common window we track (2 years), OZEM annualized +14.30% vs +13.55% for VOO. Past performance does not guarantee future results.
Which is riskier, OZEM or VOO?
OZEM has been the more volatile fund at 20.1% annualized versus 14.1% for VOO. Worst drawdown: OZEM -28.6% vs VOO -34.3%.
Should I hold both OZEM and VOO?
OZEM and VOO have a monthly-return correlation of 0.26, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between OZEM and VOO?
OZEM and VOO share 4 common holdings with a 2.2% weight overlap. Combined, they hold 526 unique securities.
Which pays a higher dividend, OZEM or VOO?
OZEM yields 0.21% while VOO yields 1.09%, so VOO currently pays the higher dividend yield.
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