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Correlate

Correlation Analysis

Amazon.Com Inc vs Aflac Inc.

AMZN vs AFL

+0.722

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

AFL logo

Aflac Inc.

AFL

Aflac Inc offers supplemental health insurance and life insurance in the United States and Japan. In addition to its cancer policies, the company has broadened its product offerings to include accident, dental and vision, disability, and long-term-care insurance. It markets its products through independent distributors, selling the majority of its policies directly to consumers at their places of work, and also reaches out to its customers outside of their worksite through digital mediums. The company has two reportable business segments: Aflac Japan, which generates the maximum revenue, and Aflac U.S.

Market cap 56.8B · 12,716 employees

Apr 9, 2021 — Apr 7, 2026Daily1,254 data pointsStockStockTechnology

Time Series

Relative Performance

Green: AMZNGray: AFL36 of 1,254 points (sampled)

Who Moves First

AFL leads AMZN by 6 days

AFL tends to move before AMZN.

After testing 13 timing shifts, the strongest relationship was +0.725 (they moved in the same direction).

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

-0.417

14 periods · Return correlation when both series rose

Both Falling

N/A

3 periods · Return correlation when both series fell

Diverging

-0.703

18 periods · Return correlation when series moved apart

R-Squared

52.2%

Share of variance in one series explained by the other.

Trend Agreement

52.3%

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: [0.695, 0.748]

Scatter

XY Regression

75.380100120140160180200220240241.946.55060708090100110120121Amazon.Com IncAflac Inc.Data pointsFit (r = 0.722)

Pipeline

Data quality details

Pipeline Summary

1,254 paired data points 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

AFL logo

Aflac Inc.

AFL

Market cap 56.8B · 12,716 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

26

Estimated crossover points between normalized spreads.

Slope

0.3604

Linear regression slope.

Intercept

21.0662

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 5 hours ago · ID: stock-amzn-vs-stock-afl-daily-20260408-8ro3yh