OKLS vs SPY
Defiance Daily Target 2X Short OKLO ETF vs State Street SPDR S&P 500 ETF Trust
Which is better, OKLS or SPY?
Trading-Inverse Equity against Large Cap Blend.
SPY has a lower expense ratio.
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 | OKLS | SPY |
|---|---|---|
| Expense Ratio | 1.31% | 0.09%Best |
| AUM | $4M | $804.7B |
| Dividend Yield | 0.00% | 0.98% |
| Holdings | 16 | 505 |
| Fund Family | Defiance ETFs, LLC | State Street Investment Management |
| Category | Alternative | Equity |
| Style | Trading-Inverse Equity | Large Cap Blend |
| Inception | Nov 25, 2025 | Jan 22, 1993 |
Not shown on this pair: YTD Return, 1Y Return, 3Y Return (annualized), 5Y Return (annualized), Volatility (annualized), Max Drawdown, $10,000 over the window, Top 10 Weight.
The two price series end 22 days apart, so a return over any period would be measuring two different stretches of market. Those rows are withheld. OKLS has data through Aug 27, 2026 and SPY through Sep 18, 2026.
Fees and Cost Over Time
OKLS charges 1.31% per year while SPY charges 0.09%. On a $10,000 position that is $131 vs $9 annually, a gap of $122 per year that compounds over a long holding period. On income, OKLS currently yields 0.00% against 0.98% for SPY.
Holdings Overlap
We hold position weights for 1 holding in OKLS and 504 in SPY, totalling 12.7% 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 OKLS and 504 in SPY, against full books of 16 and 505.
You are not choosing between two funds in isolation.
Whichever of OKLS 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, OKLS or SPY?
OKLS has an expense ratio of 1.31% while SPY charges 0.09%. SPY is the cheaper option, by $122 a year on a $10,000 investment.
Which pays a higher dividend, OKLS or SPY?
OKLS yields 0.00% while SPY yields 0.98%, so SPY currently pays the higher dividend yield.
Is SPY better than OKLS?
SPY has a lower expense ratio. Which one suits a particular account depends on what it is for. This is information, not a recommendation.