Correlation Analysis
Mastercard Incorporated vs Welltower Inc.
MA vs WELL
+0.876
Very strong positive
When one moves up, the other tends to follow.
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
Welltower Inc.
↗WELL
Welltower owns a diversified healthcare portfolio of 2,900 in-place properties spread across the senior housing, medical office, and skilled nursing/postacute care sectors. The portfolio includes over 900 properties in Canada and the United Kingdom as the company looks for additional investment opportunities in countries with mature healthcare systems that operate similarly to that of the United States.
Market cap 140.2B · 712 employees
Time Series
Relative Performance
Who Moves First
MA leads WELL by 6 days
MA tends to move before WELL.
After testing 13 timing shifts, the strongest relationship was +0.882 (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
+0.370
16 periods · Return correlation when both series rose
Both Falling
-0.205
10 periods · Return correlation when both series fell
Diverging
-0.792
9 periods · Return correlation when series moved apart
R-Squared
76.7%
Share of variance in one series explained by the other.
Trend Agreement
60.8%
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: [0.862, 0.888]
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
Mastercard Incorporated
MA
Market cap 447.2B
Stock · 1,254 raw → 1,254 prepared
Series B
Welltower Inc.
WELL
Market cap 140.2B · 712 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
8
Estimated crossover points between normalized spreads.
Slope
0.4042
Linear regression slope.
Intercept
-66.3565
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-ma-vs-stock-well-daily