FDS vs MRSH: Correlation
Measured on weekly returns over the past three years, FactSet (FDS) and Marsh McLennan (MRSH) carry a correlation of 0.44, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FDS and MRSH?
Across a 3-year window, the weekly returns of FDS and MRSH correlate at 0.44, moderate. Little has changed lately, as the 1-year reading of 0.48 lands near the 3-year figure. Stretching to 5 years gives 0.52, with an annualized covariance of 253.8 %².
By 3-year correlation, MRSH places #17 of the 32 assets tracked against FDS. On 12-month performance MRSH holds a 12.6-point edge, -18.6% against -6.0%. The rolling one-year correlation moved between 0.27 and 0.56 over the past three years, a moderate range. One caveat on sizing: FDS is 1.8 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
FDS vs MRSH: side by side
| FDS (FactSet) | MRSH (Marsh McLennan) | |
|---|---|---|
| 1-year return | -18.6% | -6.0% |
| 5-year return | -15.8% | +31.3% |
| Volatility (ann.) | 31.9% | 18.1% |
| Beta vs S&P 500 | 0.56 | 0.33 |
| Max drawdown (3Y) | -61.1% | -34.4% |
| Market cap | $10.8B | $90.7B |
| P/E (trailing) | 19.5 | 23.6 |
| Dividend yield | 1.51% | 1.91% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | FDS | MRSH |
|---|---|---|
| 2022 | -16.7% | -3.5% |
| 2023 | +20.0% | +16.1% |
| 2024 | +1.6% | +13.7% |
| 2025 | -38.9% | -11.3% |
| 2026 | +6.0% | +4.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FDS and MRSH good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between FDS and MRSH?
The FDS/MRSH correlation stands at 0.44 on a 3-year window (1 year: 0.48, 5 years: 0.52), computed from weekly returns as of 2026-08-27.
Is MRSH a good diversifier for FDS?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.44 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: FDS correlations · MRSH correlations
