Correlation Analysis
Extra Space Storage, Inc. vs Mastercard Incorporated
EXR vs MA
-0.473
Moderate inverse
When one moves up, the other tends to move down.
Extra Space Storage, Inc.
↗EXR
Extra Space Storage is a fully integrated real estate investment trust that owns, operates, and manages more than 4,200 self-storage properties in 43 states, with over 330 million net rentable square feet of storage space. Of these properties, approximately one half is wholly owned, while some facilities are owned through joint ventures and others are owned by third parties and managed by Extra Space Storage in exchange for a management fee.
Market cap 28.3B · 8,393 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 EXR by 6 days
MA tends to move before EXR.
After testing 13 timing shifts, the strongest relationship was -0.482 (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
+0.013
10 periods · Return correlation when both series rose
Both Falling
+0.018
10 periods · Return correlation when both series fell
Diverging
-0.756
15 periods · Return correlation when series moved apart
R-Squared
22.4%
Share of variance in one series explained by the other.
Trend Agreement
60.5%
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: [-0.515, -0.429]
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
Extra Space Storage, Inc.
EXR
Market cap 28.3B · 8,393 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
-1.7630
Linear regression slope.
Intercept
711.7570
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-exr-vs-stock-ma-daily