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SNA vs XLB: Correlation

Snap-on (SNA) and Materials Select Sector SPDR Fund (XLB) show a moderate relationship: their 3-year correlation of weekly returns is 0.57.

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

Correlation (3Y)
0.57
moderate
Correlation (1Y)
0.54
last 12 months
Correlation (5Y)
0.60
long-run
Ann. covariance
203.0
%² · weekly, annualized

How correlated are SNA and XLB?

On 3 years of weekly data the SNA/XLB correlation comes out at 0.57, moderate. The relationship has been stable: the 1-year correlation (0.54) sits close to the 3-year figure. The 5-year figure is 0.60, and annualized covariance runs at 203.0 %².

Among the 34 assets we track against SNA, XLB ranks #11 by 3-year correlation. Over the last 12 months SNA came out ahead by 5.5 percentage points (+23.1% against +17.6%). The link looks structural: the rolling one-year correlation barely moved, holding between 0.52 and 0.66.

+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.

SNA vs XLB: side by side

SNA (Snap-on)XLB (Materials Select Sector SPDR Fund)
1-year return+23.1%+17.6%
5-year return+99.6%+36.9%
Volatility (ann.)21.3%16.7%
Beta vs S&P 5000.700.72
Max drawdown (3Y)-20.8%-23.2%
Market cap$20.5B
P/E (trailing)20.2
Dividend yield2.38%1.68%
Expense ratio0.08%
Assets under management$8.3B
Sector / categoryIndustrialsSector ETF
Higher yield: SNA 2.38% vs 1.68%Smaller drawdown: SNA -20.8% vs -23.2%Higher 5y return: SNA +99.6% vs +36.9%

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.

-6%0%+29%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). SNA · XLB

Year-by-year returns

YearSNAXLB
2022+8.9%-12.3%
2023+29.7%+12.5%
2024+20.7%+0.1%
2025+4.3%+9.9%
2026+17.1%+18.3%

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

Are SNA and XLB good diversifiers for each other?

To a limited degree. At 0.57 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between SNA and XLB?

The SNA/XLB correlation stands at 0.57 on a 3-year window (1 year: 0.54, 5 years: 0.60), computed from weekly returns as of 2026-08-27.

Is XLB a good diversifier for SNA?

To a limited degree. At 0.57 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.57 mean?

On the −1 to +1 scale, 0.57 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

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SNA vs XLB: 3-year weekly correlation 0.57SNA vs XLB0.57

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Hubs: SNA correlations · XLB correlations