IDEV vs SPY
iShares Core MSCI International Developed Markets ETF vs State Street SPDR S&P 500 ETF Trust
Which is better, IDEV or SPY?
SPY has been ahead.
IDEV has a lower expense ratio. SPY led over 1Y, 3Y, 5Y and the full window. IDEV is less concentrated, with 10.8% of the fund in its ten largest positions against 38.2%.
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 | IDEV | SPY |
|---|---|---|
| Expense Ratio | 0.04%Best | 0.09% |
| AUM | $33.2B | $823.2B |
| Dividend Yield | 3.22% | 0.99% |
| Holdings | 2,308 | 1,515 |
| YTD Return | +8.10% | +13.53%Best |
| 1Y Return | +14.45% | +17.47%Best |
| 3Y Return (annualized) | +18.21% | +22.36%Best |
| 5Y Return (annualized) | +8.39% | +13.21%Best |
| Volatility (annualized) | 15.3%Best | 15.7% |
| Max Drawdown | -38.4% | -34.1%Best |
| $10,000 over 5 years | $14,960 | $18,596Best |
| Top 10 Weight | 10.8%Best | 38.2% |
| Fund Family | iShares by BlackRock (US) | State Street Investment Management |
| Category | Equity | Equity |
| Style | Large Cap Blend | Large Cap Blend |
| Inception | Mar 21, 2017 | Jan 22, 1993 |
Volatility and max drawdown are measured over the window both funds cover: Mar 23, 2017 to Oct 14, 2026 (9.6 years).
IDEV 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 9.6 years both funds cover.
IDEV vs SPY Performance
iShares Core MSCI International Developed Markets ETF (IDEV) is an ETF from iShares by BlackRock (US) and State Street SPDR S&P 500 ETF Trust (SPY) is an ETF from State Street Investment Management. Over the past year IDEV returned +14.45% while SPY returned +17.47%. Year to date, IDEV is up 8.10% versus a gain of 13.53% for SPY.
Over three years, IDEV compounded at +18.21% per year against +22.36% for SPY; over five years the annualized figures are +8.39% and +13.21% respectively. Across the full 10-year window we track, SPY has the edge at +14.17% annualized vs +7.73%.
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 15.3% for IDEV. 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 -38.4% for IDEV and -34.1% 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 0.85. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
IDEV charges 0.04% per year while SPY charges 0.09%. On a $10,000 position that is $4 vs $9 annually, a gap of $5 per year that compounds over a long holding period. On income, IDEV currently yields 3.22% against 0.99% for SPY.
Holdings Overlap
1.1% of IDEV's money is in holdings SPY also owns. 0.6% of SPY's money is in holdings IDEV also owns.
IDEV and SPY share little of their money.
3 positions in common, counted across the 2,236 positions we hold weights for in IDEV and 504 in SPY, against full books of 2,308 and 1,515.
What only one of them owns
Our book lists 493 positions for SPY that do not appear in our book for IDEV (98.4% of the fund), and 24 for IDEV that do not appear in SPY (3.0%).
Some of those will be the same company recorded under a different code in one of the two books, so the real difference in what you would own is no larger than this and may be smaller. We do not name the individual positions here for that reason.
You are not choosing between two funds in isolation.
Whichever of IDEV 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, IDEV or SPY?
IDEV has an expense ratio of 0.04% while SPY charges 0.09%. IDEV is the cheaper option, by $5 a year on a $10,000 investment.
Which performed better, IDEV or SPY?
Over the past year IDEV returned +14.45% vs +17.47% for SPY, so SPY leads on 1-year performance. Over the longest common window we track (10 years), IDEV annualized +7.73% vs +14.17% for SPY. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, IDEV or SPY?
SPY has been the more volatile fund at 15.7% annualized versus 15.3% for IDEV. Worst drawdown: IDEV -38.4% vs SPY -34.1%.
Should I hold both IDEV and SPY?
IDEV and SPY have a monthly-return correlation of 0.85, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
What is the holdings overlap between IDEV and SPY?
1.1% of IDEV's money is in holdings SPY also owns. 0.6% of SPY's is in holdings IDEV also owns. They hold 3 positions in common, counted across the 2,236 positions we hold weights for in IDEV and 504 in SPY.
Which pays a higher dividend, IDEV or SPY?
IDEV yields 3.22% while SPY yields 0.99%, so IDEV currently pays the higher dividend yield.
Is SPY better than IDEV?
IDEV has a lower expense ratio. SPY led over 1Y, 3Y, 5Y and the full window. IDEV is less concentrated, with 10.8% of the fund in its ten largest positions against 38.2%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.