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FXI vs XLB: Correlation & Overlap

iShares China Large-Cap ETF (FXI) and Materials Select Sector SPDR Fund (XLB) show a moderate relationship: their 3-year correlation of weekly returns is 0.35. By holdings, the two funds overlap 0% by weight.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.35
moderate
Correlation (1Y)
0.23
last 12 months
Correlation (5Y)
0.39
long-run
Holdings overlap
0%
0 common holdings

How correlated are FXI and XLB?

Over the past 3 years, FXI and XLB moved with a correlation of 0.35, which is moderate. The link has loosened recently: the 1-year correlation (0.23) runs below the 3-year figure (0.35). Over 5 years the correlation is 0.39, and the annualized covariance of weekly returns is 147.1 %².

Within FXI's tracked universe of 74 assets, XLB comes in at #39 by 3-year correlation. The last year tells two different stories: XLB led by 23.7 percentage points, -6.1% for FXI against +17.6% for XLB. Across three years, the rolling one-year figure varied moderately, from 0.23 to 0.63. Note the risk asymmetry: FXI runs 1.5 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past three years.
How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

FXI vs XLB: side by side

FXI (iShares China Large-Cap ETF)XLB (Materials Select Sector SPDR Fund)
1-year return-6.1%+17.6%
5-year return-1.4%+36.9%
Volatility (ann.)25.3%16.7%
Beta vs S&P 5000.680.72
Max drawdown (3Y)-23.2%-23.2%
Dividend yield1.87%1.68%
Expense ratio0.73%0.08%
Assets under management$4.3B$8.3B
Sector / categoryETF · InternationalSector ETF
Lower fee: XLB 0.08% vs 0.73%Higher yield: FXI 1.87% vs 1.68%Higher 5y return: XLB +36.9% vs -1.4%

On the fund side, FXI sits in the Greater China Region category at iShares, with $4.3B under management, 50 holdings, a 0.73% expense ratio, a 1.87% trailing dividend yield. XLB is a Natural Resources fund from State Street Investment Management: $8.3B under management, 26 holdings, a 0.08% expense ratio, a 1.68% trailing dividend yield.

-17%0%+19%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). FXI · XLB

Portfolio overlap between FXI and XLB

The two portfolios are largely distinct, with 0 holdings in common adding up to 0% of fund weight. Where correlation shows the co-movement, the overlap shows its source.

Largest positions held only by FXI: 9988 (9.72%), 939 (9.09%), 700 (8.51%), 1398 (6.35%), 1810 (5.16%). Only by XLB: LIN (12.94%), NEM (8.02%), FCX (6.48%), SHW (4.87%), ECL (4.80%).

Overlap = sum of the smaller of the two weights across common holdings, from issuer disclosures as of 2026-08-26.

Year-by-year returns

YearFXIXLB
2022-20.7%-12.3%
2023-12.4%+12.5%
2024+29.0%+0.1%
2025+28.9%+9.9%
2026-7.3%+18.3%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are FXI and XLB good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between FXI and XLB?

As of 2026-08-27, the correlation of weekly returns between FXI and XLB is 0.35 over 3 years, 0.23 over 1 year and 0.39 over 5 years.

Is XLB a good diversifier for FXI?

Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.

How much do FXI and XLB overlap?

Per the issuers' own portfolio disclosures (2026-08-26), the overlap is 0% by weight over 0 common positions.

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FXI vs XLB: 3-year weekly correlation 0.35FXI vs XLB0.35

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Hubs: FXI correlations · XLB correlations