CME vs MRSH: Correlation
How closely do CME Group (CME) and Marsh McLennan (MRSH) trade together? Their weekly returns over three years give a correlation of 0.25, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CME and MRSH?
Across a 3-year window, the weekly returns of CME and MRSH correlate at 0.25, weak. Little has changed lately, as the 1-year reading of 0.24 lands near the 3-year figure. Stretching to 5 years gives 0.38, with an annualized covariance of 90.0 %².
Among the 47 assets we track against CME, MRSH ranks #17 by 3-year correlation. The trailing year gives CME the advantage: +8.1% versus -6.0%, a 14.1-point spread. The rolling one-year correlation moved between 0.08 and 0.45 over the past three years, a moderate range.
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.
CME vs MRSH: side by side
| CME (CME Group) | MRSH (Marsh McLennan) | |
|---|---|---|
| 1-year return | +8.1% | -6.0% |
| 5-year return | +73.9% | +31.3% |
| Volatility (ann.) | 20.0% | 18.1% |
| Beta vs S&P 500 | 0.12 | 0.33 |
| Max drawdown (3Y) | -31.1% | -34.4% |
| Market cap | $101.0B | $90.7B |
| P/E (trailing) | 23.8 | 23.6 |
| Dividend yield | 1.82% | 1.91% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | CME | MRSH |
|---|---|---|
| 2022 | -22.9% | -3.5% |
| 2023 | +31.3% | +16.1% |
| 2024 | +15.4% | +13.7% |
| 2025 | +19.8% | -11.3% |
| 2026 | +5.9% | +4.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CME and MRSH good diversifiers for each other?
Reasonably. At 0.25, CME and MRSH keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between CME and MRSH?
As of 2026-08-27, the correlation of weekly returns between CME and MRSH is 0.25 over 3 years, 0.24 over 1 year and 0.38 over 5 years.
Is MRSH a good diversifier for CME?
Reasonably. At 0.25, CME and MRSH keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.25 mean?
A reading of 0.25 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: CME correlations · MRSH correlations
