Correlation Analysis
Amphenol Corporation vs Mastercard Incorporated
APH vs MA
+0.832
Strong positive
When one moves up, the other tends to follow.
Amphenol Corporation
↗APH
Amphenol is a global supplier of connectors, sensors, and interconnect systems. It holds the second-largest connector market share globally and sells into the automotive, broadband, commercial air, industrial, IT and data communications, military, mobile devices, and mobile networks end markets. Amphenol is diversified geographically, with operations in 40 countries.
Market cap 155.5B · 170,000 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
MA leads APH by 6 days
MA tends to move before APH.
After testing 13 timing shifts, the strongest relationship was +0.841 (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
+0.805
13 periods · Return correlation when both series rose
Both Falling
+0.601
9 periods · Return correlation when both series fell
Diverging
-0.703
13 periods · Return correlation when series moved apart
R-Squared
69.3%
Share of variance in one series explained by the other.
Trend Agreement
63.6%
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: [0.814, 0.848]
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
Amphenol Corporation
APH
Market cap 155.5B · 170,000 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
32
Estimated crossover points between normalized spreads.
Slope
2.2060
Linear regression slope.
Intercept
298.2689
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-aph-vs-stock-ma-daily