MA vs MRSH: Correlation
How closely do Mastercard (MA) and Marsh McLennan (MRSH) trade together? Their weekly returns over three years give a correlation of 0.52, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MA and MRSH?
Across a 3-year window, the weekly returns of MA and MRSH correlate at 0.52, moderate. The relationship has been stable: the 1-year correlation (0.54) sits close to the 3-year figure. Stretching to 5 years gives 0.52, with an annualized covariance of 182.2 %².
Within MA's tracked universe of 46 assets, MRSH comes in at #21 by 3-year correlation. On 12-month performance MA holds a 6.8-point edge, +0.8% against -6.0%. Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from 0.31 to 0.81.
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.
MA vs MRSH: side by side
| MA (Mastercard) | MRSH (Marsh McLennan) | |
|---|---|---|
| 1-year return | +0.8% | -6.0% |
| 5-year return | +72.6% | +31.3% |
| Volatility (ann.) | 19.3% | 18.1% |
| Beta vs S&P 500 | 0.77 | 0.33 |
| Max drawdown (3Y) | -20.9% | -34.4% |
| Market cap | $518.4B | $90.7B |
| P/E (trailing) | 32.9 | 23.6 |
| Dividend yield | 0.56% | 1.91% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | MA | MRSH |
|---|---|---|
| 2022 | -2.7% | -3.5% |
| 2023 | +23.4% | +16.1% |
| 2024 | +24.2% | +13.7% |
| 2025 | +9.0% | -11.3% |
| 2026 | +4.2% | +4.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MA and MRSH good diversifiers for each other?
Only partially. A correlation of 0.52 means MA and MRSH share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between MA and MRSH?
Using weekly returns as of 2026-08-27: 0.52 over 3 years, with 0.54 over the last year and 0.52 over 5 years.
Is MRSH a good diversifier for MA?
Only partially. A correlation of 0.52 means MA and MRSH share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.52 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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Related comparisons
Hubs: MA correlations · MRSH correlations
