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MAS vs SPY: Correlation

How closely do Masco (MAS) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.46, which is moderate.

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

Correlation (3Y)
0.46
moderate
Correlation (1Y)
0.31
last 12 months
Correlation (5Y)
0.55
long-run
Ann. covariance
199.0
%² · weekly, annualized

How correlated are MAS and SPY?

Over the past 3 years, MAS and SPY moved with a correlation of 0.46, which is moderate. The past 12 months show a weaker link (0.31) than the 3-year average (0.46). Over 5 years the correlation is 0.55, and the annualized covariance of weekly returns is 199.0 %².

Within MAS's tracked universe of 61 assets, SPY comes in at #50 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SPY ahead by 21.1 points (-0.5% versus +20.6%). The rolling one-year correlation moved between 0.30 and 0.75 over the past three years, a moderate range. One caveat on sizing: MAS is 2.0 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last 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.

MAS vs SPY: side by side

MAS (Masco)SPY (SPDR S&P 500 ETF Trust)
1-year return-0.5%+20.6%
5-year return+29.1%+82.4%
Volatility (ann.)29.6%14.5%
Beta vs S&P 5000.951.00
Max drawdown (3Y)-30.9%-18.8%
Market cap$14.4B
P/E (trailing)17.0
Dividend yield1.71%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryIndustrialsETF · US Large Cap
Higher yield: MAS 1.71% vs 1.01%Smaller drawdown: SPY -18.8% vs -30.9%Higher 5y return: SPY +82.4% vs +29.1%

SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.

-22%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. MAS · SPY

Year-by-year returns

YearMASSPY
2022-32.1%-18.2%
2023+46.6%+26.2%
2024+10.0%+24.9%
2025-10.9%+17.7%
2026+16.3%+13.7%

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

Are MAS and SPY good diversifiers for each other?

Reasonably. At 0.46, MAS and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between MAS and SPY?

Using weekly returns as of 2026-08-27: 0.46 over 3 years, with 0.31 over the last year and 0.55 over 5 years.

Is SPY a good diversifier for MAS?

Reasonably. At 0.46, MAS and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.46 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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MAS vs SPY: 3-year weekly correlation 0.46MAS vs SPY0.46

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Hubs: MAS correlations · SPY correlations