IEMG vs. XBI

Last updated Jun 23, 2026

IEMG (iShares Core MSCI Emerging Markets ETF) and XBI (SPDR S&P Biotech ETF) are both exchange-traded funds - IEMG is a Emerging Markets Diversified fund tracking the MSCI Emerging Markets Investable Market Index (USD) (Net), while XBI is a Health & Biotech Equities fund tracking the S&P Biotechnology Select Industry Index. Both are passively managed. Over the past 10 years, IEMG returned 11.00%/yr vs 11.06%/yr for XBI. At a 0.43 correlation, their price movements are largely independent. IEMG charges 0.09%/yr vs 0.35%/yr for XBI.

Performance

IEMG vs. XBI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Core MSCI Emerging Markets ETF (IEMG) and SPDR S&P Biotech ETF (XBI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IEMG achieves a 28.97% return, which is significantly higher than XBI's 19.74% return. Both investments have delivered pretty close results over the past 10 years, with IEMG having a 11.00% annualized return and XBI not far ahead at 11.06%.

IEMG

• 1D: 0.43%
• 1M: 7.60%
• YTD: 28.97%
• 6M: 30.48%
• 1Y: 53.20%
• 3Y*: 24.44%
• 5Y*: 8.45%
• 10Y*: 11.00%

XBI

• 1D: 3.75%
• 1M: 10.89%
• YTD: 19.74%
• 6M: 15.96%
• 1Y: 77.88%
• 3Y*: 19.92%
• 5Y*: 1.79%
• 10Y*: 11.06%

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

IEMG vs. XBI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IEMG iShares Core MSCI Emerging Markets ETF	28.97%	32.56%	6.50%	11.52%	-19.98%	-0.64%	17.87%	17.81%	-14.92%	37.38%
XBI SPDR S&P Biotech ETF	19.74%	35.89%	1.01%	7.60%	-25.87%	-20.45%	48.33%	32.56%	-15.28%	43.77%

Correlation

The correlation between IEMG and XBI is 0.42, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.42
Correlation (3Y) Calculated over the trailing 3-year period	0.44
Correlation (5Y) Calculated over the trailing 5-year period	0.48
Correlation (10Y) Calculated over the trailing 10-year period	0.46
Correlation (All Time) Calculated using the full available price history since Oct 24, 2012	0.43

IEMG vs. XBI - Sectors Allocation Comparison

Sectors	IEMG	XBI
Technology	42.1%	-
Financial Services	16.7%	0.3%
Consumer Cyclical	8.5%	-
Industrials	8.0%	-
Basic Materials	6.3%	0.2%
Communication Services	5.6%	-
Energy	3.3%	-
Healthcare	3.2%	99.7%
Consumer Defensive	2.8%	-
Utilities	1.9%	-
Real Estate	1.6%	-

Return for Risk

IEMG vs. XBI — Risk / Return Rank

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

IEMG

IEMG Risk / Return Rank: 79
IEMG Sharpe Ratio Rank: 82
IEMG Sortino Ratio Rank: 74
IEMG Omega Ratio Rank: 82
IEMG Calmar Ratio Rank: 80
IEMG Martin Ratio Rank: 79

XBI

XBI Risk / Return Rank: 90
XBI Sharpe Ratio Rank: 91
XBI Sortino Ratio Rank: 88
XBI Omega Ratio Rank: 81
XBI Calmar Ratio Rank: 96
XBI Martin Ratio Rank: 93

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.

IEMG vs. XBI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Core MSCI Emerging Markets ETF (IEMG) and SPDR S&P Biotech ETF (XBI). 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	XBI	Difference
Sharpe ratio: Return per unit of total volatility	2.50	2.96	-0.46
Sortino ratio: Return per unit of downside risk	3.18	3.83	-0.64
Omega ratio: Gain probability vs. loss probability	1.47	1.46	+0.01
Calmar ratio: Return relative to maximum drawdown	4.05	8.05	-4.01
Martin ratio: Return relative to average drawdown	14.87	23.79	-8.92

IEMG vs. XBI - Sharpe Ratio Comparison

The current IEMG Sharpe Ratio is 2.50, which is comparable to the XBI Sharpe Ratio of 2.96. The chart below compares the historical Sharpe Ratios of IEMG and XBI, 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

IEMG vs. XBI - Drawdown Comparison

The maximum IEMG drawdown since its inception was -38.71%, smaller than the maximum XBI drawdown of -63.89%. Use the drawdown chart below to compare losses from any high point for IEMG and XBI.

Drawdown Indicators

	IEMG	XBI	Difference
Max Drawdown Largest peak-to-trough decline	-38.71%	-63.89%	+25.18%
Max Drawdown (1Y) Largest decline over 1 year	-13.21%	-9.72%	-3.49%
Max Drawdown (3Y) Largest decline over 3 years	-17.21%	-32.99%	+15.78%
Max Drawdown (5Y) Largest decline over 5 years	-35.75%	-54.71%	+18.96%
Max Drawdown (10Y) Largest decline over 10 years	-38.71%	-63.89%	+25.18%
Current Drawdown Current decline from peak	0.00%	-15.61%	+15.61%
Average Drawdown Average peak-to-trough decline	-12.94%	-20.93%	+7.99%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.59%	3.28%	+0.31%

Volatility

IEMG vs. XBI - Volatility Comparison

iShares Core MSCI Emerging Markets ETF (IEMG) has a higher volatility of 10.67% compared to SPDR S&P Biotech ETF (XBI) at 9.97%. This indicates that IEMG's price experiences larger fluctuations and is considered to be riskier than XBI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IEMG	XBI	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.67%	9.97%	+0.70%
Volatility (6M) Calculated over the trailing 6-month period	19.30%	21.32%	-2.02%
Volatility (1Y) Calculated over the trailing 1-year period	21.44%	26.52%	-5.08%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.84%	32.30%	-13.46%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.21%	32.04%	-11.83%

IEMG vs. XBI - Expense Ratio Comparison

IEMG has a 0.09% expense ratio, which is lower than XBI's 0.35% expense ratio.

Dividends

IEMG vs. XBI - Dividend Comparison

IEMG's dividend yield for the trailing twelve months is around 2.09%, more than XBI's 0.40% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IEMG iShares Core MSCI Emerging Markets ETF	2.09%	2.75%	3.20%	2.89%	2.71%	3.06%	1.87%	3.15%	2.76%	2.35%	2.28%	2.53%
XBI SPDR S&P Biotech ETF	0.40%	0.37%	0.15%	0.02%	0.00%	0.04%	0.20%	0.00%	0.28%	0.24%	0.26%	0.61%

Frequently Asked Questions

Can I hold both IEMG and XBI in my portfolio?

IEMG and XBI have a correlation of 0.42, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IEMG or XBI?

IEMG has higher volatility (10.67%) compared to XBI (9.97%). In terms of maximum drawdown, IEMG dropped -38.71% vs XBI's -63.89%.

Which ETF is better, IEMG or XBI?

On 10-year performance, XBI leads with 11.06% vs 11.00% for IEMG. On fees, IEMG is cheaper at 0.09% per year. On volatility, XBI has been the lower-risk option at 9.97%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IEMG or XBI?

Over the 10-year period, XBI has performed better with a 11.06% return vs 11.00%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IEMG or XBI?

IEMG is cheaper with a 0.09% expense ratio, compared with 0.35% for XBI.

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

IEMG has the higher dividend yield at 2.09%, compared with 0.40% for XBI.

What is the main difference between IEMG and XBI?

IEMG is categorized as Emerging Markets Diversified, while XBI is Health & Biotech Equities. IEMG tracks MSCI Emerging Markets Investable Market Index (USD) (Net), while XBI tracks S&P Biotechnology Select Industry Index. They also come from different issuers: iShares and State Street. Their fees differ too: 0.09% for IEMG and 0.35% for XBI.

Which has better risk-adjusted returns?

XBI currently has the higher Sharpe Ratio (2.96 vs 2.50), 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.