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NDSN vs XLB: Correlation

Nordson Corporation (NDSN) and Materials Select Sector SPDR Fund (XLB) show a strong relationship: their 3-year correlation of weekly returns is 0.71.

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

Correlation (3Y)
0.71
strong
Correlation (1Y)
0.62
last 12 months
Correlation (5Y)
0.69
long-run
Ann. covariance
294.9
%² · weekly, annualized

How correlated are NDSN and XLB?

Across a 3-year window, the weekly returns of NDSN and XLB correlate at 0.71, strong. Little has changed lately, as the 1-year reading of 0.62 lands near the 3-year figure. Stretching to 5 years gives 0.69, with an annualized covariance of 294.9 %².

Within NDSN's tracked universe of 39 assets, XLB comes in at #7 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months NDSN outperformed by 30.9 percentage points (+48.5% for NDSN against +17.6% for XLB). The link looks structural: the rolling one-year correlation barely moved, holding between 0.62 and 0.82.

+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.

NDSN vs XLB: side by side

NDSN (Nordson Corporation)XLB (Materials Select Sector SPDR Fund)
1-year return+48.5%+17.6%
5-year return+46.5%+36.9%
Volatility (ann.)24.7%16.7%
Beta vs S&P 5000.970.72
Max drawdown (3Y)-39.1%-23.2%
Market cap$18.4B
P/E (trailing)33.5
Dividend yield0.98%1.68%
Expense ratio0.08%
Assets under management$8.3B
Sector / categoryIndustrialsSector ETF
Higher yield: XLB 1.68% vs 0.98%Smaller drawdown: XLB -23.2% vs -39.1%Higher 5y return: NDSN +46.5% 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%+50%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). NDSN · XLB

Year-by-year returns

YearNDSNXLB
2022-5.9%-12.3%
2023+12.4%+12.5%
2024-20.1%+0.1%
2025+17.0%+9.9%
2026+38.4%+18.3%

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

Are NDSN and XLB good diversifiers for each other?

Only partially. A correlation of 0.71 means NDSN and XLB share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between NDSN and XLB?

Using weekly returns as of 2026-08-27: 0.71 over 3 years, with 0.62 over the last year and 0.69 over 5 years.

Is XLB a good diversifier for NDSN?

Only partially. A correlation of 0.71 means NDSN and XLB share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.71 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

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NDSN vs XLB: 3-year weekly correlation 0.71NDSN vs XLB0.71

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Hubs: NDSN correlations · XLB correlations