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Correlation Analysis

Amazon.Com Inc vs Cloudflare, Inc. Class A common stock, par value $0.001 per share

AMZN vs NET

+0.812

Strong 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

NET logo

Cloudflare, Inc. Class A common stock, par value $0.001 per share

NET

Cloudflare is a software company based in San Francisco, California, that offers security and web performance offerings by utilizing a distributed, serverless content delivery network, or CDN. The firm's edge computing platform, Workers, builds on this infrastructure by enabling clients to deploy and run code without the need to manage or maintain servers.

Market cap 74.5B · 5,156 employees

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

Time Series

Rebased to 100

Green: AMZNGray: NET36 of 1,254 points (sampled)

Who Moves First

in sync

AMZN and NET tend to move at the same time.

Best correlation after shifting: +0.812 (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

+0.356

16 periods · Return correlation when both series rose

Both Falling

+0.823

10 periods · Return correlation when both series fell

Diverging

-0.489

9 periods · Return correlation when series moved apart

R-Squared

65.9%

Share of variance in one series explained by the other.

Trend Agreement

69.2%

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: [0.792, 0.830]

Scatter

XY Regression

75.380100120140160180200220240241.932.450100150200237.1Amazon.Com IncCloudflare, Inc. Class A common stock, par value $0.001 per shareData pointsFit (r = 0.812)

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

NET logo

Cloudflare, Inc. Class A common stock, par value $0.001 per share

NET

Market cap 74.5B · 5,156 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

35

Estimated crossover points between normalized spreads.

Slope

1.0148

Linear regression slope.

Intercept

-61.6506

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 3 hours ago · ID: stock-amzn-vs-stock-net-daily-20260408-zjloy9