Correlation Analysis
Equifax, Incorporated vs Mastercard Incorporated
EFX vs MA
+0.366
Light positive
When one moves up, the other tends to follow.
Equifax, Incorporated
↗EFX
Along with Experian and TransUnion, Equifax is one of the leading credit bureaus in the United States. Equifax's credit reports provide credit histories on millions of consumers, and the firm's services are critical to lenders' credit decisions. In addition, about 40% of the firm's revenue comes from workforce solutions, which provides income verification and employer human resources services. Equifax generates about 25% of its revenue from outside the United States.
Market cap 22B · 15,000 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
EFX leads MA by 6 days
EFX tends to move before MA.
After testing 13 timing shifts, the strongest relationship was +0.376 (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
+0.613
13 periods · Return correlation when both series rose
Both Falling
+0.606
11 periods · Return correlation when both series fell
Diverging
-0.631
11 periods · Return correlation when series moved apart
R-Squared
13.4%
Share of variance in one series explained by the other.
Trend Agreement
66.5%
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: [0.317, 0.413]
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
Equifax, Incorporated
EFX
Market cap 22B · 15,000 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
27
Estimated crossover points between normalized spreads.
Slope
0.9480
Linear regression slope.
Intercept
213.1320
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-efx-vs-stock-ma-daily