Correlation Analysis
Amazon.Com Inc vs Equity Residential
AMZN vs EQR
+0.050
Weak positive
When one moves up, the other tends to follow.
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
Equity Residential
↗EQR
Equity Residential owns a portfolio of 318 apartment communities with over 86,000 units and is developing three additional properties with 935 units. The company focuses on owning large, high-quality properties in the urban and suburban submarkets of Southern California, San Francisco, Washington, D.C., New York, Seattle, and Boston.
Market cap 22.7B · 2,400 employees
Time Series
Relative Performance
Who Moves First
AMZN leads EQR by 6 days
AMZN tends to move before EQR.
After testing 13 timing shifts, the strongest relationship was +0.060 (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
+0.016
13 periods · Return correlation when both series rose
Both Falling
+0.608
8 periods · Return correlation when both series fell
Diverging
-0.646
14 periods · Return correlation when series moved apart
R-Squared
0.3%
Share of variance in one series explained by the other.
Trend Agreement
56.3%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,254
Deep shared window — 1,254 usable pairs.
Significance
n.s.
95% CI: [-0.005, 0.105]
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
Equity Residential
EQR
Market cap 22.7B · 2,400 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
20
Estimated crossover points between normalized spreads.
Slope
0.0110
Linear regression slope.
Intercept
67.8736
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-amzn-vs-stock-eqr-daily-20260408-kn2ulj