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Correlation Analysis

Amazon.Com Inc vs ATI Inc.

AMZN vs ATI

+0.649

Moderate 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

ATI logo

ATI Inc.

ATI

ATI Inc supplies specialty metals to various end markets, including aerospace and defense, oil and gas, automotive, and electrical energy, among many others. The company's operating segment includes High-Performance Materials and Components and Advanced Alloys and Solutions. The majority of revenue is from the High-Performance Materials segment. The High-Performance Materials segment is focused on a wide range of high-performance specialty materials, parts, and components for several the majority of end markets, including the aerospace & defense, medical, and energy markets. Geographically, it operates in the United States, China, the United Kingdom, Germany, France, Canada, and Others, the majority is from the United States.

Market cap 20.2B · 7,600 employees

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

Time Series

Rebased to 100

Green: AMZNGray: ATI36 of 1,254 points (sampled)

Who Moves First

in sync

AMZN and ATI tend to move at the same time.

Best correlation after shifting: +0.649 (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

+0.765

11 periods · Return correlation when both series rose

Both Falling

+0.553

6 periods · Return correlation when both series fell

Diverging

-0.605

18 periods · Return correlation when series moved apart

R-Squared

42.2%

Share of variance in one series explained by the other.

Trend Agreement

60.7%

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: [0.616, 0.680]

Scatter

XY Regression

75.380100120140160180200220240241.94.920406080100120140157.8Amazon.Com IncATI Inc.Data pointsFit (r = 0.649)

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

ATI logo

ATI Inc.

ATI

Market cap 20.2B · 7,600 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

0.4664

Linear regression slope.

Intercept

-27.7714

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 3 hours ago · ID: stock-amzn-vs-stock-ati-daily-20260408-l2h09p