IOO vs. IEI
IOO (iShares Global 100 ETF) and IEI (iShares 3-7 Year Treasury Bond ETF) are both exchange-traded funds - IOO is a Global Equities fund tracking the S&P Global 100 Index (Net), while IEI is a Government Bonds fund tracking the ICE U.S. Treasury 3-7 Year Bond Index. Both are passively managed. Over the past 10 years, IOO returned 16.27%/yr vs 1.25%/yr for IEI. At a correlation of -0.23, they often move in opposite directions. IOO charges 0.40%/yr vs 0.15%/yr for IEI.
Performance
IOO vs. IEI - Performance Comparison
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Returns By Period
In the year-to-date period, IOO achieves a 9.40% return, which is significantly higher than IEI's -0.71% return. Over the past 10 years, IOO has outperformed IEI with an annualized return of 16.27%, while IEI has yielded a comparatively lower 1.25% annualized return.
IOO
- 1D
- -2.98%
- 1M
- -0.01%
- YTD
- 9.40%
- 6M
- 9.74%
- 1Y
- 33.39%
- 3Y*
- 24.42%
- 5Y*
- 16.08%
- 10Y*
- 16.27%
IEI
- 1D
- -0.38%
- 1M
- -0.66%
- YTD
- -0.71%
- 6M
- -0.46%
- 1Y
- 3.31%
- 3Y*
- 3.42%
- 5Y*
- 0.17%
- 10Y*
- 1.25%
IOO vs. IEI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IOO iShares Global 100 ETF | 9.40% | 27.02% | 26.54% | 27.71% | -16.34% | 26.03% | 18.61% | 30.01% | -6.22% | 23.56% |
IEI iShares 3-7 Year Treasury Bond ETF | -0.71% | 6.96% | 1.81% | 4.42% | -9.51% | -2.54% | 6.95% | 5.71% | 1.36% | 1.22% |
Correlation
The correlation between IOO and IEI is 0.16, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.16 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.11 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.08 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.07 |
Correlation (All Time) Calculated using the full available price history since Jan 12, 2007 | -0.23 |
The correlation between IOO and IEI shifts across timeframes, from -0.23 (all time) to 0.16 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
IOO vs. IEI — Risk / Return Rank
IOO
IEI
IOO vs. IEI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Global 100 ETF (IOO) and iShares 3-7 Year Treasury Bond ETF (IEI). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| IOO | IEI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.58 | ||
| Sortino ratioReturn per unit of downside risk | +1.97 | ||
| Omega ratioGain probability vs. loss probability | 1.45 | 1.16 | +0.29 |
| Calmar ratioReturn relative to maximum drawdown | 3.51 | 1.13 | +2.38 |
| Martin ratioReturn relative to average drawdown | 16.17 | 3.32 | +12.85 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| IOO | IEI | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.51 | 0.93 | +1.58 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.94 | 0.04 | +0.91 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.92 | 0.32 | +0.60 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.39 | 0.69 | -0.31 |
Drawdowns
IOO vs. IEI - Drawdown Comparison
The maximum IOO drawdown since its inception was -55.85%, which is greater than IEI's maximum drawdown of -14.60%. Use the drawdown chart below to compare losses from any high point for IOO and IEI.
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Drawdown Indicators
| IOO | IEI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.85% | -14.60% | -41.25% |
Max Drawdown (1Y)Largest decline over 1 year | -9.94% | -2.50% | -7.44% |
Max Drawdown (3Y)Largest decline over 3 years | -19.19% | -3.66% | -15.53% |
Max Drawdown (5Y)Largest decline over 5 years | -23.52% | -13.88% | -9.64% |
Max Drawdown (10Y)Largest decline over 10 years | -31.43% | -14.60% | -16.83% |
Current DrawdownCurrent decline from peak | -3.84% | -2.14% | -1.70% |
Average DrawdownAverage peak-to-trough decline | -11.27% | -2.67% | -8.60% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.15% | 0.85% | +1.30% |
Volatility
IOO vs. IEI - Volatility Comparison
iShares Global 100 ETF (IOO) has a higher volatility of 4.49% compared to iShares 3-7 Year Treasury Bond ETF (IEI) at 0.92%. This indicates that IOO's price experiences larger fluctuations and is considered to be riskier than IEI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IOO | IEI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.49% | 0.92% | +3.57% |
Volatility (6M)Calculated over the trailing 6-month period | 11.05% | 2.16% | +8.89% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.89% | 3.03% | +10.86% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.09% | 4.77% | +12.32% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.80% | 3.93% | +13.87% |
IOO vs. IEI - Expense Ratio Comparison
IOO has a 0.40% expense ratio, which is higher than IEI's 0.15% expense ratio.
Dividends
IOO vs. IEI - Dividend Comparison
IOO's dividend yield for the trailing twelve months is around 0.84%, less than IEI's 3.65% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IEI iShares 3-7 Year Treasury Bond ETF | 3.65% | 3.48% | 3.18% | 2.36% | 1.37% | 0.73% | 1.12% | 2.01% | 1.95% | 1.51% | 1.33% | 1.39% |
IOO iShares Global 100 ETF | 0.84% | 0.92% | 1.08% | 1.49% | 2.00% | 1.53% | 1.49% | 2.02% | 2.54% | 2.23% | 2.75% | 2.89% |
Frequently Asked Questions
IOO and IEI have a correlation of 0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IOO has higher volatility (4.49%) compared to IEI (0.92%). In terms of maximum drawdown, IOO dropped -55.85% vs IEI's -14.60%.
On 10-year performance, IOO leads with 16.27% vs 1.25% for IEI. On fees, IEI is cheaper at 0.15% per year. On volatility, IEI has been the lower-risk option at 0.92%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, IOO has performed better with a 16.27% return vs 1.25%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IEI is cheaper with a 0.15% expense ratio, compared with 0.40% for IOO.
IEI has the higher dividend yield at 3.65%, compared with 0.84% for IOO.
IOO is categorized as Global Equities, while IEI is Government Bonds. IOO tracks S&P Global 100 Index (Net), while IEI tracks ICE U.S. Treasury 3-7 Year Bond Index. Their fees differ too: 0.40% for IOO and 0.15% for IEI.
IOO currently has the higher Sharpe Ratio (2.51 vs 0.93), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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