IONX vs VOO

Quick Verdict

VOO has a lower expense ratio. VOO delivered stronger 1-year returns. VOO offers more diversification with 505 holdings.

Lower Fees: VOOHigher Returns: VOOMore Diversified: VOO

Side-by-Side Comparison

MetricIONXVOOWinner
Expense Ratio1.29%0.03%
AUM$110M$979.0B
Dividend Yield1.09%1.09%
Holdings11509
YTD Return-54.84%+14.48%
1Y Return-63.29%+22.02%
3Y Return (annualized)-+21.80%
5Y Return (annualized)-+13.36%
Volatility (annualized)211.0%14.2%
Max Drawdown-94.0%-34.3%
Fund FamilyDefiance ETFs, LLCVanguard (US)
CategoryAlternativeEquity
InceptionMar 11, 2025Sep 7, 2010

IONX vs VOO Performance

Defiance Daily Target 2X Long IONQ ETF (IONX) is a ETF from Defiance ETFs, LLC and Vanguard S&P 500 ETF (VOO) is a ETF from Vanguard (US). Over the past year IONX returned -63.29% while VOO returned +22.02%. Year to date, IONX is down 54.84% versus a gain of 14.48% for VOO.

Risk: Volatility and Drawdowns

IONX has been the more volatile fund, with annualized monthly volatility of 211.0% compared with 14.2% 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 -94.0% for IONX 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 0.79. They usually move together, but the gap leaves some room for diversification.

Fees and Cost Over Time

IONX 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, IONX currently yields 1.09% against 1.09% for VOO.

Holdings Overlap

0.0%overlap

IONX 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, IONX or VOO?

IONX 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, IONX or VOO?

Over the past year IONX returned -63.29% vs +22.02% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (1 years), IONX annualized -13.45% vs +13.61% for VOO. Past performance does not guarantee future results.

Which is riskier, IONX or VOO?

IONX has been the more volatile fund at 211.0% annualized versus 14.2% for VOO. Worst drawdown: IONX -94.0% vs VOO -34.3%.

Should I hold both IONX and VOO?

IONX and VOO have a monthly-return correlation of 0.79, so combining them can provide real diversification depending on your allocation goals.

What is the holdings overlap between IONX and VOO?

IONX and VOO share 0 common holdings with a 0.0% weight overlap. Combined, they hold 506 unique securities.

Which pays a higher dividend, IONX or VOO?

IONX yields 1.09% while VOO yields 1.09%, so VOO currently pays the higher dividend yield.

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