IEMG vs. GSY
IEMG (iShares Core MSCI Emerging Markets ETF) and GSY (Invesco Ultra Short Duration ETF) are both exchange-traded funds - IEMG is a Emerging Markets Diversified fund tracking the MSCI Emerging Markets Investable Market Index (USD) (Net), while GSY is a Ultrashort Bond fund actively managed by Invesco. IEMG is passively managed, while GSY is actively managed. Over the past 10 years, IEMG returned 10.42%/yr vs 2.86%/yr for GSY. At a 0.07 correlation, their price movements are largely independent. IEMG charges 0.09%/yr vs 0.22%/yr for GSY.
Performance
IEMG vs. GSY - Performance Comparison
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Returns By Period
In the year-to-date period, IEMG achieves a 22.84% return, which is significantly higher than GSY's 1.72% return. Over the past 10 years, IEMG has outperformed GSY with an annualized return of 10.42%, while GSY has yielded a comparatively lower 2.86% annualized return.
IEMG
- 1D
- 0.61%
- 1M
- 0.34%
- YTD
- 22.84%
- 6M
- 25.59%
- 1Y
- 44.83%
- 3Y*
- 21.33%
- 5Y*
- 7.15%
- 10Y*
- 10.42%
GSY
- 1D
- 0.00%
- 1M
- 0.36%
- YTD
- 1.72%
- 6M
- 1.96%
- 1Y
- 4.49%
- 3Y*
- 5.48%
- 5Y*
- 3.68%
- 10Y*
- 2.86%
IEMG vs. GSY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IEMG iShares Core MSCI Emerging Markets ETF | 22.84% | 32.56% | 6.50% | 11.52% | -19.98% | -0.64% | 17.87% | 17.81% | -14.92% | 37.38% |
GSY Invesco Ultra Short Duration ETF | 1.72% | 4.96% | 5.95% | 5.99% | 0.01% | 0.03% | 1.88% | 3.39% | 2.18% | 1.86% |
Correlation
The correlation between IEMG and GSY is 0.20, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.20 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.18 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.16 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.08 |
Correlation (All Time) Calculated using the full available price history since Oct 24, 2012 | 0.07 |
The correlation between IEMG and GSY shifts across timeframes, from 0.07 (all time) to 0.20 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
IEMG vs. GSY — Risk / Return Rank
IEMG
GSY
IEMG vs. GSY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Core MSCI Emerging Markets ETF (IEMG) and Invesco Ultra Short Duration ETF (GSY). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| IEMG | GSY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -9.18 | ||
| Sortino ratioReturn per unit of downside risk | -24.70 | ||
| Omega ratioGain probability vs. loss probability | 1.39 | 6.54 | -5.15 |
| Calmar ratioReturn relative to maximum drawdown | 3.23 | 75.72 | -72.48 |
| Martin ratioReturn relative to average drawdown | 11.89 | 373.96 | -362.07 |
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Drawdowns
IEMG vs. GSY - Drawdown Comparison
The maximum IEMG drawdown since its inception was -38.71%, which is greater than GSY's maximum drawdown of -12.14%. Use the drawdown chart below to compare losses from any high point for IEMG and GSY.
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Drawdown Indicators
| IEMG | GSY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -38.71% | -12.14% | -26.57% |
Max Drawdown (1Y)Largest decline over 1 year | -13.21% | -0.06% | -13.15% |
Max Drawdown (3Y)Largest decline over 3 years | -17.21% | -0.18% | -17.03% |
Max Drawdown (5Y)Largest decline over 5 years | -35.75% | -1.48% | -34.27% |
Max Drawdown (10Y)Largest decline over 10 years | -38.71% | -5.25% | -33.46% |
Current DrawdownCurrent decline from peak | -3.98% | 0.00% | -3.98% |
Average DrawdownAverage peak-to-trough decline | -12.95% | -2.38% | -10.57% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.59% | 0.01% | +3.58% |
Volatility
IEMG vs. GSY - Volatility Comparison
iShares Core MSCI Emerging Markets ETF (IEMG) has a higher volatility of 10.60% compared to Invesco Ultra Short Duration ETF (GSY) at 0.15%. This indicates that IEMG's price experiences larger fluctuations and is considered to be riskier than GSY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IEMG | GSY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.60% | 0.15% | +10.45% |
Volatility (6M)Calculated over the trailing 6-month period | 18.89% | 0.31% | +18.58% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.08% | 0.40% | +20.68% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.73% | 0.58% | +18.15% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.17% | 1.22% | +18.95% |
IEMG vs. GSY - Expense Ratio Comparison
IEMG has a 0.09% expense ratio, which is lower than GSY's 0.22% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
IEMG vs. GSY - Dividend Comparison
IEMG's dividend yield for the trailing twelve months is around 2.24%, less than GSY's 4.34% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GSY Invesco Ultra Short Duration ETF | 4.34% | 4.56% | 5.31% | 4.95% | 1.70% | 0.58% | 1.45% | 2.71% | 2.30% | 1.80% | 1.21% | 1.17% |
IEMG iShares Core MSCI Emerging Markets ETF | 2.24% | 2.75% | 3.20% | 2.89% | 2.71% | 3.06% | 1.87% | 3.15% | 2.76% | 2.35% | 2.28% | 2.53% |
Frequently Asked Questions
IEMG and GSY have a correlation of 0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IEMG has higher volatility (10.60%) compared to GSY (0.15%). In terms of maximum drawdown, IEMG dropped -38.71% vs GSY's -12.14%.
On 10-year performance, IEMG leads with 10.42% vs 2.86% for GSY. On fees, IEMG is cheaper at 0.09% per year. On volatility, GSY has been the lower-risk option at 0.15%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, IEMG has performed better with a 10.42% return vs 2.86%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IEMG is cheaper with a 0.09% expense ratio, compared with 0.22% for GSY.
GSY has the higher dividend yield at 4.34%, compared with 2.24% for IEMG.
IEMG is categorized as Emerging Markets Diversified, while GSY is Ultrashort Bond. They also come from different issuers: iShares and Invesco. Their fees differ too: 0.09% for IEMG and 0.22% for GSY.
GSY currently has the higher Sharpe Ratio (11.20 vs 2.03), 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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