GMOI vs. IDEV
GMOI (GMO International Value ETF) and IDEV (iShares Core MSCI International Developed Markets ETF) are both Foreign Large Cap Equities funds - GMOI tracks the MSCI World ex USA Value while IDEV tracks the MSCI World ex USA Investable Market Index. Both are passively managed. Over the past year, GMOI returned 37.64% vs 20.54% for IDEV. Their correlation of 0.90 suggests significant overlap in exposure. GMOI charges 0.60%/yr vs 0.05%/yr for IDEV.
Performance
GMOI vs. IDEV - Performance Comparison
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Returns By Period
In the year-to-date period, GMOI achieves a 13.97% return, which is significantly higher than IDEV's 6.97% return.
GMOI
- 1D
- 0.82%
- 1M
- 2.57%
- YTD
- 13.97%
- 6M
- 17.28%
- 1Y
- 37.64%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IDEV
- 1D
- -2.57%
- 1M
- -2.22%
- YTD
- 6.97%
- 6M
- 9.19%
- 1Y
- 20.54%
- 3Y*
- 16.58%
- 5Y*
- 8.09%
- 10Y*
- —
GMOI vs. IDEV - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
GMOI GMO International Value ETF | 13.97% | 45.64% | -4.57% |
IDEV iShares Core MSCI International Developed Markets ETF | 6.97% | 32.56% | -3.89% |
Correlation
The correlation between GMOI and IDEV is 0.91, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.91 |
Correlation (All Time) Calculated using the full available price history since Oct 30, 2024 | 0.90 |
The correlation between GMOI and IDEV has been stable across timeframes, ranging from 0.90 to 0.91 - a consistent structural relationship.
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Return for Risk
GMOI vs. IDEV — Risk / Return Rank
GMOI
IDEV
GMOI vs. IDEV - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for GMO International Value ETF (GMOI) and iShares Core MSCI International Developed Markets ETF (IDEV). 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.
| GMOI | IDEV | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.48 | ||
| Sortino ratioReturn per unit of downside risk | +1.95 | ||
| Omega ratioGain probability vs. loss probability | 1.51 | 1.25 | +0.25 |
| Calmar ratioReturn relative to maximum drawdown | 4.52 | 1.84 | +2.68 |
| Martin ratioReturn relative to average drawdown | 17.89 | 7.21 | +10.68 |
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
| GMOI | IDEV | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.88 | 1.40 | +1.48 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.50 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 2.17 | 0.53 | +1.63 |
Drawdowns
GMOI vs. IDEV - Drawdown Comparison
The maximum GMOI drawdown since its inception was -14.67%, smaller than the maximum IDEV drawdown of -34.77%. Use the drawdown chart below to compare losses from any high point for GMOI and IDEV.
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Drawdown Indicators
| GMOI | IDEV | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.67% | -34.77% | +20.10% |
Max Drawdown (1Y)Largest decline over 1 year | -8.36% | -11.20% | +2.84% |
Max Drawdown (3Y)Largest decline over 3 years | — | -13.41% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -29.15% | — |
Current DrawdownCurrent decline from peak | -0.18% | -2.76% | +2.58% |
Average DrawdownAverage peak-to-trough decline | -1.70% | -6.56% | +4.86% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.11% | 2.86% | -0.75% |
Volatility
GMOI vs. IDEV - Volatility Comparison
The current volatility for GMO International Value ETF (GMOI) is 3.88%, while iShares Core MSCI International Developed Markets ETF (IDEV) has a volatility of 4.63%. This indicates that GMOI experiences smaller price fluctuations and is considered to be less risky than IDEV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GMOI | IDEV | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.88% | 4.63% | -0.75% |
Volatility (6M)Calculated over the trailing 6-month period | 10.29% | 12.40% | -2.11% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.15% | 14.74% | -1.59% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.58% | 16.29% | -0.71% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 15.58% | 17.28% | -1.70% |
GMOI vs. IDEV - Expense Ratio Comparison
GMOI has a 0.60% expense ratio, which is higher than IDEV's 0.05% expense ratio.
Dividends
GMOI vs. IDEV - Dividend Comparison
GMOI's dividend yield for the trailing twelve months is around 2.40%, less than IDEV's 3.18% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
GMOI GMO International Value ETF | 2.40% | 2.74% | 0.54% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
IDEV iShares Core MSCI International Developed Markets ETF | 3.18% | 3.40% | 3.30% | 3.07% | 2.69% | 3.05% | 2.00% | 3.18% | 3.16% | 1.54% |
Frequently Asked Questions
With a correlation of 0.91, GMOI and IDEV move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
IDEV has higher volatility (4.63%) compared to GMOI (3.88%). In terms of maximum drawdown, GMOI dropped -14.67% vs IDEV's -34.77%.
On 1-year performance, GMOI leads with 37.64% vs 20.54% for IDEV. On fees, IDEV is cheaper at 0.05% per year. On volatility, GMOI has been the lower-risk option at 3.88%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, GMOI has performed better with a 37.64% return vs 20.54%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IDEV is cheaper with a 0.05% expense ratio, compared with 0.60% for GMOI.
IDEV has the higher dividend yield at 3.18%, compared with 2.40% for GMOI.
GMOI tracks MSCI World ex USA Value, while IDEV tracks MSCI World ex USA Investable Market Index. They also come from different issuers: GMO and iShares. Their fees differ too: 0.60% for GMOI and 0.05% for IDEV.
GMOI currently has the higher Sharpe Ratio (2.88 vs 1.40), 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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