USMV vs. IEMG

Last updated Jun 21, 2026

USMV (iShares MSCI USA Min Vol Factor ETF) and IEMG (iShares Core MSCI Emerging Markets ETF) are both exchange-traded funds - USMV is a Large Cap Blend Equities fund tracking the MSCI USA Minimum Volatility Index, while IEMG is a Emerging Markets Diversified fund tracking the MSCI Emerging Markets Investable Market Index (USD) (Net). Both are passively managed. Over the past 10 years, USMV returned 9.68%/yr vs 10.64%/yr for IEMG. A 0.55 correlation means they provide meaningful diversification when combined. USMV charges 0.15%/yr vs 0.09%/yr for IEMG.

Performance

USMV vs. IEMG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares MSCI USA Min Vol Factor ETF (USMV) and iShares Core MSCI Emerging Markets ETF (IEMG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, USMV achieves a 0.81% return, which is significantly lower than IEMG's 28.41% return. Over the past 10 years, USMV has underperformed IEMG with an annualized return of 9.68%, while IEMG has yielded a comparatively higher 10.64% annualized return.

USMV

• 1D: -0.42%
• 1M: -2.42%
• YTD: 0.81%
• 6M: 0.85%
• 1Y: 4.23%
• 3Y*: 10.26%
• 5Y*: 7.31%
• 10Y*: 9.68%

IEMG

• 1D: 3.14%
• 1M: 7.13%
• YTD: 28.41%
• 6M: 30.61%
• 1Y: 52.54%
• 3Y*: 22.63%
• 5Y*: 8.51%
• 10Y*: 10.64%

*Multi-year figures are annualized to reflect compound growth (CAGR)

USMV vs. IEMG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
USMV iShares MSCI USA Min Vol Factor ETF	0.81%	7.65%	15.74%	10.33%	-9.43%	20.85%	5.64%	27.69%	1.33%	18.91%
IEMG iShares Core MSCI Emerging Markets ETF	28.41%	32.56%	6.50%	11.52%	-19.98%	-0.64%	17.87%	17.81%	-14.92%	37.38%

Correlation

The correlation between USMV and IEMG is 0.30, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.30
Correlation (3Y) Calculated over the trailing 3-year period	0.38
Correlation (5Y) Calculated over the trailing 5-year period	0.44
Correlation (10Y) Calculated over the trailing 10-year period	0.50
Correlation (All Time) Calculated using the full available price history since Oct 24, 2012	0.55

Over the past year, the correlation between USMV and IEMG has dropped to 0.30 - well below their long-term average of 0.55, suggesting their price drivers have been diverging.

USMV vs. IEMG - Sectors Allocation Comparison

Sectors	USMV	IEMG
Technology	33.9%	42.1%
Healthcare	12.6%	3.2%
Financial Services	11.7%	16.7%
Consumer Defensive	9.4%	2.8%
Utilities	6.9%	1.9%
Communication Services	6.2%	5.6%
Industrials	6.1%	8.0%
Consumer Cyclical	5.7%	8.5%
Energy	2.7%	3.3%
Real Estate	2.5%	1.6%
Basic Materials	2.4%	6.3%

Return for Risk

USMV vs. IEMG — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

USMV

USMV Risk / Return Rank: 16
USMV Sharpe Ratio Rank: 16
USMV Sortino Ratio Rank: 15
USMV Omega Ratio Rank: 14
USMV Calmar Ratio Rank: 17
USMV Martin Ratio Rank: 19

IEMG

IEMG Risk / Return Rank: 79
IEMG Sharpe Ratio Rank: 81
IEMG Sortino Ratio Rank: 74
IEMG Omega Ratio Rank: 81
IEMG Calmar Ratio Rank: 80
IEMG Martin Ratio Rank: 78

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

USMV vs. IEMG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares MSCI USA Min Vol Factor ETF (USMV) and iShares Core MSCI Emerging Markets ETF (IEMG). 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.

	USMV	IEMG	Difference
Sharpe ratio: Return per unit of total volatility	0.50	2.42	-1.92
Sortino ratio: Return per unit of downside risk	0.75	3.11	-2.35
Omega ratio: Gain probability vs. loss probability	1.09	1.46	-0.37
Calmar ratio: Return relative to maximum drawdown	0.66	3.92	-3.26
Martin ratio: Return relative to average drawdown	2.18	14.41	-12.23

USMV vs. IEMG - Sharpe Ratio Comparison

The current USMV Sharpe Ratio is 0.50, which is lower than the IEMG Sharpe Ratio of 2.42. The chart below compares the historical Sharpe Ratios of USMV and IEMG, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

USMV vs. IEMG - Drawdown Comparison

The maximum USMV drawdown since its inception was -33.10%, smaller than the maximum IEMG drawdown of -38.71%. Use the drawdown chart below to compare losses from any high point for USMV and IEMG.

Drawdown Indicators

	USMV	IEMG	Difference
Max Drawdown Largest peak-to-trough decline	-33.10%	-38.71%	+5.61%
Max Drawdown (1Y) Largest decline over 1 year	-6.46%	-13.21%	+6.75%
Max Drawdown (3Y) Largest decline over 3 years	-9.36%	-17.21%	+7.85%
Max Drawdown (5Y) Largest decline over 5 years	-17.93%	-35.75%	+17.82%
Max Drawdown (10Y) Largest decline over 10 years	-33.10%	-38.71%	+5.61%
Current Drawdown Current decline from peak	-2.95%	0.00%	-2.95%
Average Drawdown Average peak-to-trough decline	-2.87%	-12.94%	+10.07%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.96%	3.59%	-1.63%

Volatility

USMV vs. IEMG - Volatility Comparison

The current volatility for iShares MSCI USA Min Vol Factor ETF (USMV) is 2.62%, while iShares Core MSCI Emerging Markets ETF (IEMG) has a volatility of 10.76%. This indicates that USMV experiences smaller price fluctuations and is considered to be less risky than IEMG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	USMV	IEMG	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.62%	10.76%	-8.14%
Volatility (6M) Calculated over the trailing 6-month period	6.13%	19.32%	-13.19%
Volatility (1Y) Calculated over the trailing 1-year period	8.60%	21.41%	-12.81%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.36%	18.83%	-6.47%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.51%	20.22%	-5.71%

USMV vs. IEMG - Expense Ratio Comparison

USMV has a 0.15% expense ratio, which is higher than IEMG's 0.09% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

USMV vs. IEMG - Dividend Comparison

USMV's dividend yield for the trailing twelve months is around 1.53%, less than IEMG's 2.10% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IEMG iShares Core MSCI Emerging Markets ETF	2.10%	2.75%	3.20%	2.89%	2.71%	3.06%	1.87%	3.15%	2.76%	2.35%	2.28%	2.53%
USMV iShares MSCI USA Min Vol Factor ETF	1.53%	1.49%	1.67%	1.82%	1.62%	1.26%	1.81%	1.88%	2.12%	1.77%	2.22%	2.02%

Frequently Asked Questions

Can I hold both USMV and IEMG in my portfolio?

USMV and IEMG have a correlation of 0.30, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, USMV or IEMG?

IEMG has higher volatility (10.76%) compared to USMV (2.62%). In terms of maximum drawdown, USMV dropped -33.10% vs IEMG's -38.71%.

Which ETF is better, USMV or IEMG?

On 10-year performance, IEMG leads with 10.64% vs 9.68% for USMV. On fees, IEMG is cheaper at 0.09% per year. On volatility, USMV has been the lower-risk option at 2.62%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, USMV or IEMG?

Over the 10-year period, IEMG has performed better with a 10.64% return vs 9.68%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, USMV or IEMG?

IEMG is cheaper with a 0.09% expense ratio, compared with 0.15% for USMV.

Which ETF pays a higher dividend yield, USMV or IEMG?

IEMG has the higher dividend yield at 2.10%, compared with 1.53% for USMV.

What is the main difference between USMV and IEMG?

USMV is categorized as Large Cap Blend Equities, while IEMG is Emerging Markets Diversified. USMV tracks MSCI USA Minimum Volatility Index, while IEMG tracks MSCI Emerging Markets Investable Market Index (USD) (Net). Their fees differ too: 0.15% for USMV and 0.09% for IEMG.

Which has better risk-adjusted returns?

IEMG currently has the higher Sharpe Ratio (2.42 vs 0.50), 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.