Correlation Analysis
Amazon.Com Inc vs Extra Space Storage, Inc.
AMZN vs EXR
-0.190
Weak inverse
When one moves up, the other tends to move down.
Amazon.Com Inc
↗AMZN
Amazon is the leading online retailer and marketplace for third party sellers. Retail related revenue represents approximately 74% of total, followed by Amazon Web Services (17%), and advertising services (9%). International segments constitute 22% of Amazon's total revenue, led by Germany, the United Kingdom, and Japan.
Market cap 2.3T
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
Time Series
Relative Performance
Who Moves First
EXR leads AMZN by 6 days
EXR tends to move before AMZN.
After testing 13 timing shifts, the strongest relationship was -0.212 (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
-0.055
11 periods · Return correlation when both series rose
Both Falling
+0.460
8 periods · Return correlation when both series fell
Diverging
-0.843
16 periods · Return correlation when series moved apart
R-Squared
3.6%
Share of variance in one series explained by the other.
Trend Agreement
55.8%
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: [-0.243, -0.136]
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
Amazon.Com Inc
AMZN
Market cap 2.3T
Stock · 1,254 raw → 1,254 prepared
Series B
Extra Space Storage, Inc.
EXR
Market cap 28.3B · 8,393 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
48
Estimated crossover points between normalized spreads.
Slope
-0.1036
Linear regression slope.
Intercept
175.8023
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-amzn-vs-stock-exr-daily-20260408-jsieqf