Correlation Analysis
Mastercard Incorporated vs Marsh
MA vs MRSH
+0.729
Strong positive
When one moves up, the other tends to follow.
Mastercard Incorporated
↗MA
Mastercard is the second-largest payment processor in the world, having processed close to $11 trillion in volume during 2025. Mastercard operates in over 200 countries and processes transactions in over 150 currencies.
Market cap 447.2B
Marsh
↗MRSH
Marsh McLennan is a professional services firm that provides advice and solutions in the areas of risk, strategy, and human capital. The company operates through two main segments: risk and insurance services and consulting. In risk and insurance services, the firm offers services via Marsh (an insurance broker) and Guy Carpenter (a risk and reinsurance specialist). The consulting division comprises Mercer (a provider of human resource services) and Oliver Wyman (a management and economic consultancy). About half of its revenue is generated outside the US.
Market cap 84.5B · 55,700 employees
Time Series
Relative Performance
Who Moves First
in sync
MA and MRSH tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.729 (they moved in the same direction).
Do They Crash Together?
Correlation by Market Regime
How these series behave when markets are rising, falling, or diverging. A correlation that holds in drawdowns is very different from one that only works in rallies.
Both Rising
+0.813
12 periods · Return correlation when both series rose
Both Falling
-0.096
14 periods · Return correlation when both series fell
Diverging
-0.609
9 periods · Return correlation when series moved apart
R-Squared
53.2%
Share of variance in one series explained by the other.
Trend Agreement
75.0%
How often both series moved in the same direction period-to-period.
Overlap Quality
57
Thin shared window — 57 usable pairs.
Significance
p < 0.001
95% CI: [0.579, 0.832]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
57 paired data points survived the daily window.
Raw input
1,254
57
Normalized
1,254
57
Prepared
1,254
57
Aligned
57
57
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
1,197
A: 1197 / B: 0
Series A
Mastercard Incorporated
MA
Market cap 447.2B
Stock · 1,254 raw → 1,254 prepared
Series B
Marsh
MRSH
Market cap 84.5B · 55,700 employees
Stock · 57 raw → 57 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
5
Estimated crossover points between normalized spreads.
Slope
0.2192
Linear regression slope.
Intercept
64.9725
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 4 hours ago · ID: stock-ma-vs-stock-mrsh-daily