Correlation Analysis
Edison International vs Mastercard Incorporated
EIX vs MA
-0.093
Weak inverse
When one moves up, the other tends to move down.
Edison International
↗EIX
Edison International is the parent company of Southern California Edison, an electric utility that distributes electricity to 5 million customers in a 50,000-square-mile area of Southern California, excluding Los Angeles. Edison Energy owns interests in nonutility businesses that deal in energy-related products and services. In 2014, Edison International sold its wholesale power generation subsidiary Edison Mission Energy out of bankruptcy to NRG Energy.
Market cap 28.3B · 13,725 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 EIX by 6 days
MA tends to move before EIX.
After testing 13 timing shifts, the strongest relationship was -0.108 (they moved in opposite directions).
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
-0.091
12 periods · Return correlation when both series rose
Both Falling
+0.093
6 periods · Return correlation when both series fell
Diverging
-0.684
17 periods · Return correlation when series moved apart
R-Squared
0.9%
Share of variance in one series explained by the other.
Trend Agreement
58.2%
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: [-0.148, -0.038]
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
Edison International
EIX
Market cap 28.3B · 13,725 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
9
Estimated crossover points between normalized spreads.
Slope
-0.9415
Linear regression slope.
Intercept
493.8811
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-eix-vs-stock-ma-daily