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MRSH vs RSG: Correlation

How closely do Marsh McLennan (MRSH) and Republic Services (RSG) trade together? Their weekly returns over three years give a correlation of 0.44, which is moderate.

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

Correlation (3Y)
0.44
moderate
Correlation (1Y)
0.35
last 12 months
Correlation (5Y)
0.53
long-run
Ann. covariance
129.9
%² · weekly, annualized

How correlated are MRSH and RSG?

On 3 years of weekly data the MRSH/RSG correlation comes out at 0.44, moderate. Little has changed lately, as the 1-year reading of 0.35 lands near the 3-year figure. The 5-year figure is 0.53, and annualized covariance runs at 129.9 %².

Within MRSH's tracked universe of 38 assets, RSG comes in at #20 by 3-year correlation. Twelve-month performance is nearly a tie, at -6.0% for MRSH and -5.6% for RSG. The rolling one-year correlation moved between 0.29 and 0.65 over the past three years, a moderate range.

+1.0+0.50-0.5-1.020232026-08-27
How the one-year correlation itself moved 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.

MRSH vs RSG: side by side

MRSH (Marsh McLennan)RSG (Republic Services)
1-year return-6.0%-5.6%
5-year return+31.3%+87.9%
Volatility (ann.)18.1%16.2%
Beta vs S&P 5000.330.17
Max drawdown (3Y)-34.4%-22.5%
Market cap$90.7B$67.1B
P/E (trailing)23.631.0
Dividend yield1.91%1.13%
Sector / categoryFinancialsIndustrials
Lower P/E: MRSH 23.6 vs 31.0Higher yield: MRSH 1.91% vs 1.13%Smaller drawdown: RSG -22.5% vs -34.4%Higher 5y return: RSG +87.9% vs +31.3%
-20%0%+2%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. MRSH · RSG

Year-by-year returns

YearMRSHRSG
2022-3.5%-6.2%
2023+16.1%+29.6%
2024+13.7%+23.0%
2025-11.3%+6.4%
2026+4.0%+4.4%

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

Are MRSH and RSG good diversifiers for each other?

Reasonably. At 0.44, MRSH and RSG keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between MRSH and RSG?

Using weekly returns as of 2026-08-27: 0.44 over 3 years, with 0.35 over the last year and 0.53 over 5 years.

Is RSG a good diversifier for MRSH?

Reasonably. At 0.44, MRSH and RSG keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.44 mean?

A reading of 0.44 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

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MRSH vs RSG: 3-year weekly correlation 0.44MRSH vs RSG0.44

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Hubs: MRSH correlations · RSG correlations