DUTY vs SPY
US Defense ETF vs State Street SPDR S&P 500 ETF Trust
Which is better, DUTY or SPY?
SPY costs less.
SPY has a lower expense ratio. SPY is less concentrated, with 38.2% of the fund in its ten largest positions against 77.6%.
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 | DUTY | SPY |
|---|---|---|
| Expense Ratio | 0.45% | 0.09%Best |
| AUM | $3M | $811.2B |
| Dividend Yield | 0.00% | 0.98% |
| Holdings | 52 | 1,515 |
| YTD Return | +7.76% | +13.54%Best |
| 1Y Return | - | +16.25% |
| 3Y Return (annualized) | - | +23.72% |
| 5Y Return (annualized) | - | +13.95% |
| Top 10 Weight | 77.6% | 38.2%Best |
| Fund Family | Aura ETFs Inc. | State Street Investment Management |
| Category | Equity | Equity |
| Style | Large Cap Blend | Large Cap Blend |
| Inception | Apr 8, 2026 | Jan 22, 1993 |
Not shown on this pair: Volatility (annualized), Max Drawdown, $10,000 over the window.
DUTY 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.
DUTY vs SPY Performance
US Defense ETF (DUTY) is an ETF from Aura ETFs Inc. and State Street SPDR S&P 500 ETF Trust (SPY) is an ETF from State Street Investment Management. Year to date, DUTY is up 7.76% versus a gain of 13.54% for SPY.
Past performance does not guarantee future results.
Fees and Cost Over Time
DUTY charges 0.45% per year while SPY charges 0.09%. On a $10,000 position that is $45 vs $9 annually, a gap of $36 per year that compounds over a long holding period. On income, DUTY currently yields 0.00% against 0.98% for SPY.
Holdings Overlap
79.5% of DUTY's money is in holdings SPY also owns. 2.0% of SPY's money is in holdings DUTY also owns.
Most of DUTY is already inside SPY. Owning both mostly buys the same companies twice.
12 positions in common, counted across the 49 positions we hold weights for in DUTY and 504 in SPY, against full books of 52 and 1,515.
What only one of them owns
Measured across the 49 and 504 positions we hold weights for.
SPY holds 485 positions DUTY does not, 97.3% of the fund.
Largest: NVDA 7.78%, AAPL 7.45%, MSFT 5.71%, AMZN 3.78%, GOOGL 3.12%
Top Shared Holdings
| Stock | Weight in DUTY | Weight in SPY | Difference |
|---|---|---|---|
| GEGeneral Electric Co. | 21.58% | 0.50% | 21.08% |
| RTXRaytheon Co. | 17.24% | 0.40% | 16.84% |
| BABoeing Co | 9.07% | 0.25% | 8.82% |
| GDGeneral Dynamics Corp. | 4.83% | 0.14% | 4.69% |
| LMTLockheed Martin Corp | 4.74% | 0.16% | 4.58% |
| NOCNorthrop Grumman Corp. | 4.41% | 0.11% | 4.30% |
| HWMHowmet Aerospace Inc. | 4.35% | 0.14% | 4.21% |
| TDGTransdigm Group Inc. | 4.29% | 0.09% | 4.20% |
| LHXL3Harris Technologies Inc. | 3.70% | 0.07% | 3.63% |
| AXONAxon Enterprise Inc | 3.40% | 0.06% | 3.34% |
79.5% of DUTY is already inside SPY.
You probably hold more than these two. Add the rest and see how much of the whole book is the same companies twice.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, DUTY or SPY?
DUTY has an expense ratio of 0.45% while SPY charges 0.09%. SPY is the cheaper option, by $36 a year on a $10,000 investment.
What is the holdings overlap between DUTY and SPY?
79.5% of DUTY's money is in holdings SPY also owns. 2.0% of SPY's is in holdings DUTY also owns. They hold 12 positions in common, counted across the 49 positions we hold weights for in DUTY and 504 in SPY.
Which pays a higher dividend, DUTY or SPY?
DUTY yields 0.00% while SPY yields 0.98%, so SPY currently pays the higher dividend yield.
Is SPY better than DUTY?
SPY has a lower expense ratio. SPY is less concentrated, with 38.2% of the fund in its ten largest positions against 77.6%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.