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Correlation Analysis

Amazon.Com Inc vs Nasdaq, Inc. Common Stock

AMZN vs NDAQ

+0.818

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

NDAQ logo

Nasdaq, Inc. Common Stock

NDAQ

Founded in 1971, Nasdaq is primarily known for its equity exchange, but in addition to its trading business (about 22.5% of sales), the company sells market and financial data to investors, offers Nasdaq-branded indexes, and lists companies through its capital access segment (42.5%). Nasdaq's newest segment, financial technology, was primarily constructed through the acquisitions of Verafin and Adenza and has expanded the company into capital management, financial crime, and regulatory compliance software (35%) as it seeks to become a diversified technology company.

Market cap 50B · 9,525 employees

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

Time Series

Rebased to 100

Green: AMZNGray: NDAQ36 of 1,254 points (sampled)

Who Moves First

in sync

AMZN and NDAQ tend to move at the same time.

Best correlation after shifting: +0.818 (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

+0.265

17 periods · Return correlation when both series rose

Both Falling

+0.520

9 periods · Return correlation when both series fell

Diverging

-0.684

9 periods · Return correlation when series moved apart

R-Squared

66.9%

Share of variance in one series explained by the other.

Trend Agreement

61.6%

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: [0.798, 0.835]

Scatter

XY Regression

75.380100120140160180200220240241.945.2506070809099.1Amazon.Com IncNasdaq, Inc. Common StockData pointsFit (r = 0.818)

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

NDAQ logo

Nasdaq, Inc. Common Stock

NDAQ

Market cap 50B · 9,525 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

32

Estimated crossover points between normalized spreads.

Slope

0.2631

Linear regression slope.

Intercept

22.7761

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 3 hours ago · ID: stock-amzn-vs-stock-ndaq-daily-20260408-hthw0x