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Correlation Analysis

Amazon.Com Inc vs United Therapeutics Corp

AMZN vs UTHR

+0.658

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

UTHR logo

United Therapeutics Corp

UTHR

United Therapeutics Corp specializes in drug development for pulmonary arterial hypertension (PAH), a rare and progressive disease marked by abnormally high blood pressure in the arteries of the lungs. The company's therapies for PAH largely focus on the prostacyclin pathway, and many of its treatments are based on the same molecule, treprostinil. The company markets and sells the following commercial therapies in the United States to treat PAH: Tyvaso DPI (treprostinil) Inhalation Powder, Remodulin Injection, Orenitram (treprostinil) Extended-Release Tablets, Adcirca (tadalafil) Tablets, and Unituxin. It derives maximum revenue from the sale of Tyvaso DPI. Geographically, the company operates in United States and Rest of the World, of which United States generates majority of the revenue.

Market cap 24.5B · 1,400 employees

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

Time Series

Rebased to 100

Green: AMZNGray: UTHR36 of 1,254 points (sampled)

Who Moves First

AMZN leads UTHR by 6 days

AMZN tends to move before UTHR.

Best correlation after shifting: +0.659 (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

-0.494

14 periods · Return correlation when both series rose

Both Falling

+0.922

6 periods · Return correlation when both series fell

Diverging

-0.694

15 periods · Return correlation when series moved apart

R-Squared

43.3%

Share of variance in one series explained by the other.

Trend Agreement

52.5%

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: [0.625, 0.688]

Scatter

XY Regression

75.380100120140160180200220240241.9147200300400500597Amazon.Com IncUnited Therapeutics CorpData pointsFit (r = 0.658)

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

UTHR logo

United Therapeutics Corp

UTHR

Market cap 24.5B · 1,400 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

1.4154

Linear regression slope.

Intercept

41.3737

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 3 hours ago · ID: stock-amzn-vs-stock-uthr-daily-20260408-cokh3y