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FSLR vs MRSH: Correlation

Measured on weekly returns over the past three years, First Solar (FSLR) and Marsh McLennan (MRSH) carry a correlation of -0.21, a negative link.

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

Correlation (3Y)
-0.21
negative
Correlation (1Y)
-0.35
last 12 months
Correlation (5Y)
0.01
long-run
Ann. covariance
-212.9
%² · weekly, annualized

How correlated are FSLR and MRSH?

Over the past 3 years, FSLR and MRSH moved with a correlation of -0.21, which is negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.35 versus -0.21 over 3 years. Over 5 years the correlation is 0.01, and the annualized covariance of weekly returns is -212.9 %².

Within FSLR's tracked universe of 34 assets, MRSH comes in at #27 by 3-year correlation. The last year tells two different stories: FSLR led by 15.9 percentage points, +9.9% for FSLR against -6.0% for MRSH. Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from -0.37 to 0.22. Risk is not evenly split, since FSLR carries 3.1 times the volatility of the other side.

+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.

FSLR vs MRSH: side by side

FSLR (First Solar)MRSH (Marsh McLennan)
1-year return+9.9%-6.0%
5-year return+119.6%+31.3%
Volatility (ann.)56.2%18.1%
Beta vs S&P 5001.140.33
Max drawdown (3Y)-60.0%-34.4%
Market cap$22.6B$90.7B
P/E (trailing)12.723.6
Dividend yield0.00%1.91%
Sector / categoryInformation TechnologyFinancials
Lower P/E: FSLR 12.7 vs 23.6Higher yield: MRSH 1.91% vs 0.00%Smaller drawdown: MRSH -34.4% vs -60.0%Higher 5y return: FSLR +119.6% vs +31.3%
-20%0%+50%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. FSLR · MRSH

Year-by-year returns

YearFSLRMRSH
2022+71.9%-3.5%
2023+15.0%+16.1%
2024+2.3%+13.7%
2025+48.2%-11.3%
2026-19.6%+4.0%

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

Are FSLR and MRSH good diversifiers for each other?

Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between FSLR and MRSH?

Using weekly returns as of 2026-08-27: -0.21 over 3 years, with -0.35 over the last year and 0.01 over 5 years.

Is MRSH a good diversifier for FSLR?

Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.21 mean?

A reading of -0.21 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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FSLR vs MRSH: 3-year weekly correlation -0.21FSLR vs MRSH-0.21

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Hubs: FSLR correlations · MRSH correlations