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GRC vs MAS: Correlation

How closely do Gorman-Rupp Company (The) (GRC) and Masco (MAS) trade together? Their weekly returns over three years give a correlation of 0.62, which is strong.

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

Correlation (3Y)
0.62
strong
Correlation (1Y)
0.68
last 12 months
Correlation (5Y)
0.54
long-run
Ann. covariance
565.7
%² · weekly, annualized

How correlated are GRC and MAS?

On 3 years of weekly data the GRC/MAS correlation comes out at 0.62, strong. The relationship has been stable: the 1-year correlation (0.68) sits close to the 3-year figure. The 5-year figure is 0.54, and annualized covariance runs at 565.7 %².

Among the 14 assets we track against GRC, MAS ranks #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with GRC ahead by 82.9 points (+82.4% versus -0.5%).

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.

GRC vs MAS: side by side

GRC (Gorman-Rupp Company (The))MAS (Masco)
1-year return+82.4%-0.5%
5-year return+143.0%+29.1%
Volatility (ann.)30.6%29.6%
Beta vs S&P 5000.850.95
Max drawdown (3Y)-26.9%-30.9%
Market cap$2.0B$14.4B
P/E (trailing)32.717.0
Dividend yield0.97%1.71%
Sector / categoryUS ListedIndustrials
Lower P/E: MAS 17.0 vs 32.7Higher yield: MAS 1.71% vs 0.97%Smaller drawdown: GRC -26.9% vs -30.9%Higher 5y return: GRC +143.0% vs +29.1%
-22%0%+108%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. GRC · MAS

Year-by-year returns

YearGRCMAS
2022-41.2%-32.1%
2023+42.2%+46.6%
2024+8.9%+10.0%
2025+28.2%-10.9%
2026+63.7%+16.3%

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

Are GRC and MAS good diversifiers for each other?

To a limited degree. At 0.62 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 GRC and MAS?

The GRC/MAS correlation stands at 0.62 on a 3-year window (1 year: 0.68, 5 years: 0.54), computed from weekly returns as of 2026-08-27.

Is MAS a good diversifier for GRC?

To a limited degree. At 0.62 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 0.62 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.

Use this data

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GRC vs MAS: 3-year weekly correlation 0.62GRC vs MAS0.62

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Related comparisons

Hubs: GRC correlations · MAS correlations