MXI vs. XLB

Last updated Jun 23, 2026

MXI (iShares Global Materials ETF) and XLB (Materials Select Sector SPDR ETF) are both Materials funds - MXI tracks the S&P Global Materials Index while XLB tracks the Materials Select Sector Index. Both are passively managed. Over the past 10 years, MXI returned 11.67%/yr vs 10.60%/yr for XLB. Their correlation of 0.87 suggests significant overlap in exposure. MXI charges 0.46%/yr vs 0.13%/yr for XLB.

Performance

MXI vs. XLB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Global Materials ETF (MXI) and Materials Select Sector SPDR ETF (XLB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with MXI having a 14.55% return and XLB slightly higher at 14.76%. Over the past 10 years, MXI has outperformed XLB with an annualized return of 11.67%, while XLB has yielded a comparatively lower 10.60% annualized return.

MXI

• 1D: -0.59%
• 1M: 0.41%
• YTD: 14.55%
• 6M: 13.63%
• 1Y: 34.71%
• 3Y*: 14.17%
• 5Y*: 7.34%
• 10Y*: 11.67%

XLB

• 1D: 0.01%
• 1M: 3.03%
• YTD: 14.76%
• 6M: 13.96%
• 1Y: 22.26%
• 3Y*: 11.14%
• 5Y*: 6.85%
• 10Y*: 10.60%

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

MXI vs. XLB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MXI iShares Global Materials ETF	14.55%	27.43%	-8.25%	14.37%	-9.09%	15.06%	22.31%	22.19%	-16.06%	30.33%
XLB Materials Select Sector SPDR ETF	14.76%	9.94%	0.15%	12.46%	-12.30%	27.44%	20.46%	24.13%	-14.88%	24.01%

Correlation

The correlation between MXI and XLB is 0.89, 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	0.89
Correlation (3Y) Calculated over the trailing 3-year period	0.88
Correlation (5Y) Calculated over the trailing 5-year period	0.89
Correlation (10Y) Calculated over the trailing 10-year period	0.88
Correlation (All Time) Calculated using the full available price history since Sep 22, 2006	0.87

The correlation between MXI and XLB has been stable across timeframes, ranging from 0.87 to 0.89 - a consistent structural relationship.

MXI vs. XLB - Sectors Allocation Comparison

Sectors	MXI	XLB
Basic Materials	95.2%	87.3%
Consumer Cyclical	4.4%	12.7%
Consumer Defensive	0.6%	-
Industrials	0.5%	1.5%
Communication Services	-	-
Energy	-	-
Financial Services	-	-
Healthcare	-	-
Real Estate	-	-
Technology	-	-
Utilities	-	-

Return for Risk

MXI vs. XLB — Risk / Return Rank

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

MXI

MXI Risk / Return Rank: 48
MXI Sharpe Ratio Rank: 51
MXI Sortino Ratio Rank: 46
MXI Omega Ratio Rank: 48
MXI Calmar Ratio Rank: 45
MXI Martin Ratio Rank: 50

XLB

XLB Risk / Return Rank: 36
XLB Sharpe Ratio Rank: 37
XLB Sortino Ratio Rank: 37
XLB Omega Ratio Rank: 34
XLB Calmar Ratio Rank: 37
XLB Martin Ratio Rank: 37

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.

MXI vs. XLB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Global Materials ETF (MXI) and Materials Select Sector SPDR ETF (XLB). 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.

	MXI	XLB	Difference
Sharpe ratio: Return per unit of total volatility	1.70	1.28	+0.42
Sortino ratio: Return per unit of downside risk	2.23	1.87	+0.35
Omega ratio: Gain probability vs. loss probability	1.30	1.22	+0.07
Calmar ratio: Return relative to maximum drawdown	2.15	1.81	+0.35
Martin ratio: Return relative to average drawdown	8.36	5.51	+2.85

MXI vs. XLB - Sharpe Ratio Comparison

The current MXI Sharpe Ratio is 1.70, which is higher than the XLB Sharpe Ratio of 1.28. The chart below compares the historical Sharpe Ratios of MXI and XLB, 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

MXI vs. XLB - Drawdown Comparison

The maximum MXI drawdown since its inception was -68.44%, which is greater than XLB's maximum drawdown of -59.83%. Use the drawdown chart below to compare losses from any high point for MXI and XLB.

Drawdown Indicators

	MXI	XLB	Difference
Max Drawdown Largest peak-to-trough decline	-68.44%	-59.83%	-8.61%
Max Drawdown (1Y) Largest decline over 1 year	-16.18%	-12.38%	-3.80%
Max Drawdown (3Y) Largest decline over 3 years	-22.25%	-23.17%	+0.92%
Max Drawdown (5Y) Largest decline over 5 years	-28.76%	-24.72%	-4.04%
Max Drawdown (10Y) Largest decline over 10 years	-39.52%	-37.27%	-2.25%
Current Drawdown Current decline from peak	-5.01%	-2.94%	-2.07%
Average Drawdown Average peak-to-trough decline	-18.03%	-10.82%	-7.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.16%	4.05%	+0.11%

Volatility

MXI vs. XLB - Volatility Comparison

iShares Global Materials ETF (MXI) has a higher volatility of 7.72% compared to Materials Select Sector SPDR ETF (XLB) at 5.94%. This indicates that MXI's price experiences larger fluctuations and is considered to be riskier than XLB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MXI	XLB	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.72%	5.94%	+1.78%
Volatility (6M) Calculated over the trailing 6-month period	17.74%	13.55%	+4.19%
Volatility (1Y) Calculated over the trailing 1-year period	20.53%	17.48%	+3.05%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.83%	19.01%	+0.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.49%	20.71%	-0.22%

MXI vs. XLB - Expense Ratio Comparison

MXI has a 0.46% expense ratio, which is higher than XLB's 0.13% expense ratio.

Dividends

MXI vs. XLB - Dividend Comparison

MXI's dividend yield for the trailing twelve months is around 1.67%, less than XLB's 2.07% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MXI iShares Global Materials ETF	1.67%	2.22%	3.24%	2.92%	4.84%	3.51%	1.21%	3.64%	2.77%	1.76%	1.31%	3.64%
XLB Materials Select Sector SPDR ETF	2.07%	1.92%	1.92%	2.00%	2.26%	1.62%	1.72%	1.98%	2.20%	1.66%	1.95%	2.24%

Frequently Asked Questions

Can I hold both MXI and XLB in my portfolio?

MXI and XLB have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MXI or XLB?

MXI has higher volatility (7.72%) compared to XLB (5.94%). In terms of maximum drawdown, MXI dropped -68.44% vs XLB's -59.83%.

Which ETF is better, MXI or XLB?

On 10-year performance, MXI leads with 11.67% vs 10.60% for XLB. On fees, XLB is cheaper at 0.13% per year. On volatility, XLB has been the lower-risk option at 5.94%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MXI or XLB?

Over the 10-year period, MXI has performed better with a 11.67% return vs 10.60%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MXI or XLB?

XLB is cheaper with a 0.13% expense ratio, compared with 0.46% for MXI.

Which ETF pays a higher dividend yield, MXI or XLB?

XLB has the higher dividend yield at 2.07%, compared with 1.67% for MXI.

What is the main difference between MXI and XLB?

MXI tracks S&P Global Materials Index, while XLB tracks Materials Select Sector Index. They also come from different issuers: iShares and State Street. Their fees differ too: 0.46% for MXI and 0.13% for XLB.

Which has better risk-adjusted returns?

MXI currently has the higher Sharpe Ratio (1.70 vs 1.28), 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.