MUIB vs SPY
Direxion MU Defined Income Boost ETF vs State Street SPDR S&P 500 ETF Trust
Which is better, MUIB or SPY?
SPY costs less.
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 | MUIB | SPY |
|---|---|---|
| Expense Ratio | 0.97% | 0.09%Best |
| AUM | $3M | $811.2B |
| Dividend Yield | 1.62% | 0.98% |
| Holdings | 10 | 1,515 |
| YTD Return | +24.70%Best | +14.85% |
| 1Y Return | - | +17.26% |
| 3Y Return (annualized) | - | +22.95% |
| 5Y Return (annualized) | - | +13.89% |
| Fund Family | Direxion Shares ETF Trust | State Street Investment Management |
| Category | Equity | Equity |
| Style | Large Cap Blend | Large Cap Blend |
| Inception | Jul 22, 2026 | Jan 22, 1993 |
Not shown on this pair: Volatility (annualized), Max Drawdown, $10,000 over the window, Top 10 Weight.
MUIB 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 is available from the range buttons; it is not the opening view here because over the whole period one of these two funds moves so much further than the other that its line would sit flat on the axis.
MUIB vs SPY Performance
Direxion MU Defined Income Boost ETF (MUIB) is an ETF from Direxion Shares ETF Trust and State Street SPDR S&P 500 ETF Trust (SPY) is an ETF from State Street Investment Management. Year to date, MUIB is up 24.70% versus a gain of 14.85% for SPY.
Past performance does not guarantee future results.
Fees and Cost Over Time
MUIB charges 0.97% per year while SPY charges 0.09%. On a $10,000 position that is $97 vs $9 annually, a gap of $88 per year that compounds over a long holding period. On income, MUIB currently yields 1.62% against 0.98% for SPY.
Holdings Overlap
At least 1.6% of SPY's money is in holdings MUIB also owns.
Stated as a floor: for MUIB, our book for it covers 97.3% of that fund, so a holding it does not list is one we cannot count as shared. The real figure is this or higher.
SPY and MUIB share little of their money.
1 positions in common, counted across the 3 positions we hold weights for in MUIB and 504 in SPY, against full books of 10 and 1,515.
Top Shared Holdings
| Stock | Weight in MUIB | Weight in SPY | Difference |
|---|---|---|---|
| MUMicron Technology, Inc. | 9.11% | 1.59% | 7.52% |
You are not choosing between two funds in isolation.
Whichever of MUIB 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, MUIB or SPY?
MUIB has an expense ratio of 0.97% while SPY charges 0.09%. SPY is the cheaper option, by $88 a year on a $10,000 investment.
What is the holdings overlap between MUIB and SPY?
At least 1.6% of SPY's money is in holdings MUIB also owns. Our book for MUIB is partial, so the real figure is this or higher. They hold 1 positions in common, counted across the 3 positions we hold weights for in MUIB and 504 in SPY.
Which pays a higher dividend, MUIB or SPY?
MUIB yields 1.62% while SPY yields 0.98%, so MUIB currently pays the higher dividend yield.
Is SPY better than MUIB?
SPY has a lower expense ratio. Which one suits a particular account depends on what it is for. This is information, not a recommendation.