IONZ vs VOO
Defiance Daily Target 2X Short IONQ ETF vs Vanguard S&P 500 ETF
Quick Verdict
VOO has a lower expense ratio. VOO delivered stronger 1-year returns. VOO offers more diversification with 509 holdings.
Side-by-Side Comparison
| Metric | IONZ | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 1.29% | 0.03% | |
| AUM | $6M | $997.4B | |
| Dividend Yield | 0.00% | 1.08% | |
| Holdings | 7 | 509 | |
| YTD Return | -86.11% | +12.25% | |
| 1Y Return | -97.51% | +20.92% | |
| 3Y Return (annualized) | - | +21.79% | |
| 5Y Return (annualized) | - | +13.05% | |
| Volatility (annualized) | 155.5% | 14.1% | |
| Max Drawdown | -98.7% | -34.3% | |
| Fund Family | Defiance ETFs, LLC | Vanguard (US) | |
| Category | Alternative | Equity | |
| Inception | Jun 23, 2025 | Sep 7, 2010 |
IONZ vs VOO Performance
Defiance Daily Target 2X Short IONQ ETF (IONZ) is a ETF from Defiance ETFs, LLC and Vanguard S&P 500 ETF (VOO) is a ETF from Vanguard (US). Over the past year IONZ returned -97.51% while VOO returned +20.92%. Year to date, IONZ is down 86.11% versus a gain of 12.25% for VOO.
Risk: Volatility and Drawdowns
IONZ has been the more volatile fund, with annualized monthly volatility of 155.5% 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 -98.7% for IONZ 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 -0.78. They move independently enough that combining them can meaningfully diversify a portfolio.
Fees and Cost Over Time
IONZ charges 1.29% per year while VOO charges 0.03%. On a $10,000 position that is $129 vs $3 annually, a gap of $126 per year that compounds over a long holding period. On income, IONZ currently yields 0.00% against 1.08% for VOO.
Holdings Overlap
IONZ and VOO share 0 holdings out of 506 unique holdings combined, representing a 0.0% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Frequently Asked Questions
Which is cheaper, IONZ or VOO?
IONZ has an expense ratio of 1.29% while VOO charges 0.03%. VOO is the cheaper option. On a $10,000 investment, that is $126 per year of difference.
Which performed better, IONZ or VOO?
Over the past year IONZ returned -97.51% vs +20.92% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (1 years), IONZ annualized -96.10% vs +13.45% for VOO. Past performance does not guarantee future results.
Which is riskier, IONZ or VOO?
IONZ has been the more volatile fund at 155.5% annualized versus 14.1% for VOO. Worst drawdown: IONZ -98.7% vs VOO -34.3%.
Should I hold both IONZ and VOO?
IONZ and VOO have a monthly-return correlation of -0.78, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between IONZ and VOO?
IONZ and VOO share 0 common holdings with a 0.0% weight overlap. Combined, they hold 506 unique securities.
Which pays a higher dividend, IONZ or VOO?
IONZ yields 0.00% while VOO yields 1.08%, so VOO currently pays the higher dividend yield.
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