OBND vs SPY
State Street Loomis Sayles Opportunistic Bond ETF vs State Street SPDR S&P 500 ETF Trust
Which is better, OBND or SPY?
Allocation/Balanced against Large Cap Blend.
SPY has a lower expense ratio. SPY led over 1Y, 3Y, 5Y 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 | OBND | SPY |
|---|---|---|
| Expense Ratio | 0.55% | 0.09%Best |
| AUM | $32M | $804.7B |
| Dividend Yield | 6.40% | 0.98% |
| Holdings | 420 | 505 |
| YTD Return | -3.48% | +10.96%Best |
| 1Y Return | -2.89% | +15.52%Best |
| 3Y Return (annualized) | +4.90% | +20.73%Best |
| 5Y Return (annualized) | +1.20% | +12.53%Best |
| Volatility (annualized) | 6.3%Best | 15.7% |
| Max Drawdown | -15.9%Best | -24.5% |
| $10,000 over 5 years | $10,615 | $18,044Best |
| Fund Family | State Street Investment Management | State Street Investment Management |
| Category | Allocation/Balanced | Equity |
| Style | Allocation/Balanced | Large Cap Blend |
| Inception | Sep 27, 2021 | Jan 22, 1993 |
Not shown on this pair: Top 10 Weight.
Volatility and max drawdown are measured over the window both funds cover: Sep 28, 2021 to Sep 16, 2026 (5 years).
OBND 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 5 years both funds cover.
OBND vs SPY Performance
State Street Loomis Sayles Opportunistic Bond ETF (OBND) is an ETF from State Street Investment Management and State Street SPDR S&P 500 ETF Trust (SPY) is an ETF from State Street Investment Management. Over the past year OBND returned -2.89% while SPY returned +15.52%. Year to date, OBND is down 3.48% versus a gain of 10.96% for SPY.
Over three years, OBND compounded at +4.90% per year against +20.73% for SPY; over five years the annualized figures are +1.20% and +12.53% respectively.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
SPY has been the more volatile fund, with annualized monthly volatility of 15.7% compared with 6.3% for OBND. 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 -15.9% for OBND and -24.5% 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 0.77. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
OBND charges 0.55% per year while SPY charges 0.09%. On a $10,000 position that is $55 vs $9 annually, a gap of $46 per year that compounds over a long holding period. On income, OBND currently yields 6.40% against 0.98% for SPY.
Holdings Overlap
At least 0.1% of SPY's money is in holdings OBND also owns.
Stated as a floor: for OBND, our book for it covers 8.1% of that fund, so a holding it does not list is one we cannot count as shared. The real figure is this or higher.
We cannot see either book well enough to say how much of this pair is duplicated.
The two holdings books were reported 63 days apart, OBND as of Jun 30, 2026 and SPY as of Sep 1, 2026, so some of the difference between them is the time between the two reports rather than the funds.
1 positions in common, counted across the 19 positions we hold weights for in OBND and 504 in SPY, against full books of 420 and 505.
Top Shared Holdings
| Stock | Weight in OBND | Weight in SPY | Difference |
|---|---|---|---|
| BXBlackstone Group Inc. Class A | 0.05% | 0.15% | 0.10% |
You are not choosing between two funds in isolation.
Whichever of OBND 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, OBND or SPY?
OBND has an expense ratio of 0.55% while SPY charges 0.09%. SPY is the cheaper option, by $46 a year on a $10,000 investment.
Which performed better, OBND or SPY?
Over the past year OBND returned -2.89% vs +15.52% for SPY, so SPY leads on 1-year performance. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, OBND or SPY?
SPY has been the more volatile fund at 15.7% annualized versus 6.3% for OBND. Worst drawdown: OBND -15.9% vs SPY -24.5%.
Should I hold both OBND and SPY?
OBND and SPY have a monthly-return correlation of 0.77, 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, OBND or SPY?
OBND yields 6.40% while SPY yields 0.98%, so OBND currently pays the higher dividend yield.
Is SPY better than OBND?
SPY has a lower expense ratio. SPY led over 1Y, 3Y, 5Y and the full window. Which one suits a particular account depends on what it is for. This is information, not a recommendation.