SOUX 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

MetricSOUXVOOWinner
Expense Ratio1.29%0.03%
AUM$9M$979.0B
Dividend Yield0.00%1.09%
Holdings11509
YTD Return-72.27%+13.44%
1Y Return-91.58%+22.62%
3Y Return (annualized)-+21.47%
5Y Return (annualized)-+13.27%
Volatility (annualized)122.7%14.1%
Max Drawdown-96.5%-34.3%
Fund FamilyDefiance ETFs, LLCVanguard (US)
CategoryAlternativeEquity
InceptionJun 23, 2025Sep 7, 2010

SOUX vs VOO Performance

Defiance Daily Target 2X Long SOUN ETF (SOUX) is a ETF from Defiance ETFs, LLC and Vanguard S&P 500 ETF (VOO) is a ETF from Vanguard (US). Over the past year SOUX returned -91.58% while VOO returned +22.62%. Year to date, SOUX is down 72.27% versus a gain of 13.44% for VOO.

Risk: Volatility and Drawdowns

SOUX has been the more volatile fund, with annualized monthly volatility of 122.7% 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 -96.5% for SOUX 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 0.65. They move independently enough that combining them can meaningfully diversify a portfolio.

Fees and Cost Over Time

SOUX 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, SOUX currently yields 0.00% against 1.09% for VOO.

Holdings Overlap

0.0%overlap

SOUX 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, SOUX or VOO?

SOUX 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, SOUX or VOO?

Over the past year SOUX returned -91.58% vs +22.62% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (1 years), SOUX annualized -77.23% vs +13.55% for VOO. Past performance does not guarantee future results.

Which is riskier, SOUX or VOO?

SOUX has been the more volatile fund at 122.7% annualized versus 14.1% for VOO. Worst drawdown: SOUX -96.5% vs VOO -34.3%.

Should I hold both SOUX and VOO?

SOUX and VOO have a monthly-return correlation of 0.65, so combining them can provide real diversification depending on your allocation goals.

What is the holdings overlap between SOUX and VOO?

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

Which pays a higher dividend, SOUX or VOO?

SOUX yields 0.00% while VOO yields 1.09%, so VOO currently pays the higher dividend yield.

Get Full ETF Analytics

Access complete holdings data, overlap analysis, screener tools, and more with FundXLS.