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Correlation Analysis

Amazon.Com Inc vs Essex Property Trust, Inc

AMZN vs ESS

+0.370

Light positive

When one moves up, the other tends to follow.

AMZN logo

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

ESS logo

Essex Property Trust, Inc

ESS

Essex Property Trust owns a portfolio of 259 apartment communities with over 63,000 units. The company focuses on owning large, high-quality properties on the West Coast in the urban and suburban submarkets of Southern California, Northern California, and Seattle.

Market cap 16B · 1,689 employees

Apr 9, 2021 — Apr 7, 2026Daily1,254 observationsStockStockTechnology

Time Series

Rebased to 100

Green: AMZNGray: ESS36 of 1,254 points (sampled)

Who Moves First

AMZN leads ESS by 6 days

AMZN tends to move before ESS.

Best correlation after shifting: +0.380 (13 shifts scanned)

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

-0.324

14 periods · Return correlation when both series rose

Both Falling

+0.530

9 periods · Return correlation when both series fell

Diverging

-0.638

12 periods · Return correlation when series moved apart

R-Squared

13.7%

Share of variance in one series explained by the other.

Trend Agreement

58.4%

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: [0.321, 0.417]

Scatter

XY Regression

75.380100120140160180200220240241.9197.1200220240260280300320340360367Amazon.Com IncEssex Property Trust, IncData pointsFit (r = 0.37)

Pipeline

Data quality details

Pipeline Summary

1,254 paired observations 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

AMZN logo

Amazon.Com Inc

AMZN

Market cap 2.3T

Stock · 1,254 raw → 1,254 prepared

Series B

ESS logo

Essex Property Trust, Inc

ESS

Market cap 16B · 1,689 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

55

Estimated crossover points between normalized spreads.

Slope

0.3475

Linear regression slope.

Intercept

212.8445

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 3 hours ago · ID: stock-amzn-vs-stock-ess-daily-20260408-hmh71b