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Correlation Analysis

American Express Company vs Micron Technology, Inc.

AXP vs MU

+0.699

Strong positive

When one moves up, the other tends to follow.

AXP logo

American Express Company

AXP

American Express is a global financial institution, operating in about 130 countries, that provides consumers and businesses charge and credit card payment products. The company also operates a highly profitable merchant payment network. It operates in four segments: US consumer services, US commercial services, international card services, and global merchant and network services. In addition to payment products, the company's commercial business offers expense management tools, consulting services, and business loans.

Market cap 209.7B · 76,800 employees

MU logo

Micron Technology, Inc.

MU

Micron is one of the largest semiconductor companies in the world, specializing in memory and storage chips. Its primary revenue stream comes from dynamic random access memory, or DRAM, and it also has minority exposure to not-and or NAND, flash chips. Micron serves a global customer base, selling chips into data centers, mobile phones, consumer electronics, and industrial and automotive applications. The firm is vertically integrated.

Market cap 426B · 53,000 employees

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

Time Series

Relative Performance

Green: AXPGray: MU36 of 1,254 points (sampled)

Who Moves First

AXP leads MU by 6 days

AXP tends to move before MU.

After testing 13 timing shifts, the strongest relationship was +0.715 (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

+0.164

12 periods · Return correlation when both series rose

Both Falling

+0.754

10 periods · Return correlation when both series fell

Diverging

-0.728

13 periods · Return correlation when series moved apart

R-Squared

48.9%

Share of variance in one series explained by the other.

Trend Agreement

62.4%

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: [0.670, 0.727]

Scatter

XY Regression

124.6150200250300350395.222100200300400443American Express CompanyMicron Technology, Inc.Data pointsFit (r = 0.699)

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

AXP logo

American Express Company

AXP

Market cap 209.7B · 76,800 employees

Stock · 1,254 raw → 1,254 prepared

Series B

MU logo

Micron Technology, Inc.

MU

Market cap 426B · 53,000 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

0.7752

Linear regression slope.

Intercept

-62.0455

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 6 hours ago · ID: stock-axp-vs-stock-mu-daily