SOUX vs SPY
Defiance Daily Target 2X Long SOUN ETF vs State Street SPDR S&P 500 ETF Trust
Which is better, SOUX or SPY?
Trading-Leveraged Equity against Large Cap Blend.
SPY has a lower expense ratio. SPY led over 1Y and the full window.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | SOUX | SPY |
|---|---|---|
| Expense Ratio | 1.29% | 0.09%Best |
| AUM | $9M | $804.7B |
| Dividend Yield | 71.52% | 0.98% |
| Holdings | 11 | 505 |
| YTD Return | -83.34% | +12.09%Best |
| 1Y Return | -94.30% | +16.29%Best |
| 3Y Return (annualized) | - | +21.20% |
| 5Y Return (annualized) | - | +13.37% |
| Volatility (annualized) | 117.1% | 12.0%Best |
| Max Drawdown | -96.7% | -8.9%Best |
| $10,000 over 1.2 years | $1,199 | $12,608Best |
| Fund Family | Defiance ETFs, LLC | State Street Investment Management |
| Category | Alternative | Equity |
| Style | Trading-Leveraged Equity | Large Cap Blend |
| Inception | Jun 23, 2025 | Jan 22, 1993 |
Not shown on this pair: Top 10 Weight.
Volatility and max drawdown, and the $10,000 over 1.2 years row, are measured over the window both funds cover: Jun 24, 2025 to Sep 18, 2026 (1.2 years).
SOUX vs SPY growth
Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view covers the 1.2 years both funds cover.
SOUX vs SPY Performance
Defiance Daily Target 2X Long SOUN ETF (SOUX) is an ETF from Defiance ETFs, LLC and State Street SPDR S&P 500 ETF Trust (SPY) is an ETF from State Street Investment Management. Over the past year SOUX returned -94.30% while SPY returned +16.29%. Year to date, SOUX is down 83.34% versus a gain of 12.09% for SPY.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
SOUX has been the more volatile fund, with annualized monthly volatility of 117.1% compared with 12.0% for SPY. 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 -96.7% for SOUX and -8.9% for SPY. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.66. They move together some of the time, and apart the rest.
Fees and Cost Over Time
SOUX charges 1.29% per year while SPY charges 0.09%. On a $10,000 position that is $129 vs $9 annually, a gap of $120 per year that compounds over a long holding period. On income, SOUX currently yields 71.52% against 0.98% for SPY.
Holdings Overlap
We hold position weights for 1 holding in SOUX and 504 in SPY, totalling 9.0% and 99.9% of the two funds. The two books name no position in common, so there is no overlap percentage to show.
0 positions in common, counted across the 1 positions we hold weights for in SOUX and 504 in SPY, against full books of 11 and 505.
You are not choosing between two funds in isolation.
Whichever of SOUX and SPY you pick has to sit alongside everything else you own. Add the rest and see what the combination actually holds.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, SOUX or SPY?
SOUX has an expense ratio of 1.29% while SPY charges 0.09%. SPY is the cheaper option, by $120 a year on a $10,000 investment.
Which performed better, SOUX or SPY?
Over the past year SOUX returned -94.30% vs +16.29% for SPY, so SPY leads on 1-year performance. Over the longest common window we track (1 years), SOUX annualized -82.93% vs +21.30% for SPY. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, SOUX or SPY?
SOUX has been the more volatile fund at 117.1% annualized versus 12.0% for SPY. Worst drawdown: SOUX -96.7% vs SPY -8.9%.
Should I hold both SOUX and SPY?
SOUX and SPY have a monthly-return correlation of 0.66, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
Which pays a higher dividend, SOUX or SPY?
SOUX yields 71.52% while SPY yields 0.98%, so SOUX currently pays the higher dividend yield.
Is SPY better than SOUX?
SPY has a lower expense ratio. SPY led over 1Y and the full window. Which one suits a particular account depends on what it is for. This is information, not a recommendation.