IEI vs VOO
iShares 3-7 Year Treasury Bond ETF vs Vanguard S&P 500 ETF
Which is better, IEI or VOO?
VOO has been ahead.
VOO has a lower expense ratio. VOO 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 | IEI | VOO |
|---|---|---|
| Expense Ratio | 0.15% | 0.03%Best |
| AUM | $17.6B | $997.4B |
| Dividend Yield | 3.71% | 1.04% |
| Holdings | 85 | 509 |
| YTD Return | -1.60% | +12.50%Best |
| 1Y Return | -0.99% | +17.58%Best |
| 3Y Return (annualized) | +3.71% | +21.27%Best |
| 5Y Return (annualized) | -0.03% | +12.95%Best |
| Volatility (annualized) | 3.7%Best | 14.1% |
| Max Drawdown | -15.0%Best | -34.3% |
| $10,000 over 5 years | $9,985 | $18,384Best |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) |
| Category | Fixed Income | Equity |
| Style | - | Large Cap Blend |
| Inception | Jan 5, 2007 | Sep 7, 2010 |
Not shown on this pair: Top 10 Weight.
Volatility and max drawdown are measured over the window both funds cover: Sep 9, 2010 to Sep 11, 2026 (16 years).
IEI vs VOO 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.
IEI vs VOO Performance
iShares 3-7 Year Treasury Bond ETF (IEI) is an ETF from iShares by BlackRock (US) and Vanguard S&P 500 ETF (VOO) is an ETF from Vanguard (US). Over the past year IEI returned -0.99% while VOO returned +17.58%. Year to date, IEI is down 1.60% versus a gain of 12.50% for VOO.
Over three years, IEI compounded at +3.71% per year against +21.27% for VOO; over five years the annualized figures are -0.03% and +12.95% respectively. Across the full 16-year window we track, VOO has the edge at +13.41% annualized vs +0.76%.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
VOO has been the more volatile fund, with annualized monthly volatility of 14.1% compared with 3.7% for IEI. 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 -15.0% for IEI and -34.3% for VOO. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.04. They move largely independently of each other.
Fees and Cost Over Time
IEI charges 0.15% per year while VOO charges 0.03%. On a $10,000 position that is $15 vs $3 annually, a gap of $12 per year that compounds over a long holding period. On income, IEI currently yields 3.71% against 1.04% for VOO.
Holdings Overlap
We hold position weights for 62 holdings in IEI and 505 in VOO, totalling 80.2% 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 62 positions we hold weights for in IEI and 505 in VOO, against full books of 85 and 509.
You are not choosing between two funds in isolation.
Whichever of IEI and VOO 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, IEI or VOO?
IEI has an expense ratio of 0.15% while VOO charges 0.03%. VOO is the cheaper option, by $12 a year on a $10,000 investment.
Which performed better, IEI or VOO?
Over the past year IEI returned -0.99% vs +17.58% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (16 years), IEI annualized +0.76% vs +13.41% for VOO. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, IEI or VOO?
VOO has been the more volatile fund at 14.1% annualized versus 3.7% for IEI. Worst drawdown: IEI -15.0% vs VOO -34.3%.
Should I hold both IEI and VOO?
IEI and VOO have a monthly-return correlation of 0.04, 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, IEI or VOO?
IEI yields 3.71% while VOO yields 1.04%, so IEI currently pays the higher dividend yield.
Is VOO better than IEI?
VOO has a lower expense ratio. VOO 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.