Correlation Analysis
Brown & Brown, Inc. vs Mastercard Incorporated
BRO vs MA
+0.819
Strong positive
When one moves up, the other tends to follow.

Brown & Brown, Inc.
↗BRO
Brown & Brown Inc is a diversified insurance agency, wholesale brokerage, insurance programs, and service. The company's business is divided into two reportable segments: (i) the Retail segment, and (ii) the Specialty Distribution segment. The Retail segment provides a broad range of insurance products and services to commercial, public and quasi-public entities, and to professional and individual customers, as well as non-insurance warranty services and products through automobile and recreational vehicle dealer services businesses. The Specialty Distribution segment consists of wholesale brokerage and specialty businesses. Its geographic area is U.S, U.K and Others.
Market cap 22.6B · 22,888 employees
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
Time Series
Relative Performance
Who Moves First
BRO leads MA by 6 days
BRO tends to move before MA.
After testing 13 timing shifts, the strongest relationship was +0.827 (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
+0.341
13 periods · Return correlation when both series rose
Both Falling
-0.385
7 periods · Return correlation when both series fell
Diverging
-0.694
15 periods · Return correlation when series moved apart
R-Squared
67.0%
Share of variance in one series explained by the other.
Trend Agreement
66.3%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,254
Deep shared window — 1,254 usable pairs.
Significance
p < 0.001
95% CI: [0.800, 0.836]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired data points survived the daily window.
Raw input
1,254
1,254
Normalized
1,254
1,254
Prepared
1,254
1,254
Aligned
1,254
1,254
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
0
A: 0 / B: 0
Series A

Brown & Brown, Inc.
BRO
Market cap 22.6B · 22,888 employees
Stock · 1,254 raw → 1,254 prepared
Series B
Mastercard Incorporated
MA
Market cap 447.2B
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
17
Estimated crossover points between normalized spreads.
Slope
3.6390
Linear regression slope.
Intercept
152.6168
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 9 hours ago · ID: stock-bro-vs-stock-ma-daily