Correlation Analysis
American International Group, Inc. vs Mastercard Incorporated
AIG vs MA
+0.899
Very strong positive
When one moves up, the other tends to follow.
American International Group, Inc.
↗AIG
American International Group is one of the largest insurance and financial services firms in the world and has a global footprint. It operates through a wide range of subsidiaries that provide property, casualty, and life insurance. The company recently spun off its life insurance operations (Corebridge), but still retains a minority stake.
Market cap 40.9B · 22,100 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
in sync
AIG and MA tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.899 (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
+0.003
12 periods · Return correlation when both series rose
Both Falling
-0.316
7 periods · Return correlation when both series fell
Diverging
-0.697
16 periods · Return correlation when series moved apart
R-Squared
80.8%
Share of variance in one series explained by the other.
Trend Agreement
63.5%
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: [0.888, 0.909]
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
American International Group, Inc.
AIG
Market cap 40.9B · 22,100 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
15
Estimated crossover points between normalized spreads.
Slope
6.8111
Linear regression slope.
Intercept
-16.8932
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
AIG
American International Group, Inc.
Highest
+0.941
BERKSHIRE HATHAWAY Class B
BRK.B · 1,254 data points
Lowest
+0.126
Johnson & Johnson
JNJ · 1,254 data points
Saved 7 hours ago · ID: stock-aig-vs-stock-ma-daily