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Correlation Analysis

International Business Machines Corporation vs Micron Technology, Inc.

IBM vs MU

+0.661

Strong positive

When one moves up, the other tends to follow.

IBM logo

International Business Machines Corporation

IBM

Incorporated in 1911, International Business Machines, or IBM, is one of the oldest technology companies in the world. It provides software, IT consulting services, and hardware to help business customers modernize their technology workflows. IBM operates in 175 countries and employs approximately 300,000 people. The company has a robust roster of business partners to service its clients, which includes 95% of all Fortune 500 companies. IBMs products, including Red Hat, watsonx, and mainframes, handle some of the worlds most important data workloads in areas like finance and retail.

Market cap 231.5B

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 pointsStockStockTechnologyTechnology

Time Series

Relative Performance

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

Who Moves First

IBM leads MU by 6 days

IBM tends to move before MU.

After testing 13 timing shifts, the strongest relationship was +0.678 (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

+0.531

10 periods · Return correlation when both series rose

Both Falling

+0.679

9 periods · Return correlation when both series fell

Diverging

-0.859

16 periods · Return correlation when series moved apart

R-Squared

43.7%

Share of variance in one series explained by the other.

Trend Agreement

60.8%

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: [0.629, 0.691]

Scatter

XY Regression

105.6150200250300325.222100200300400443International Business Machines CorporationMicron Technology, Inc.Data pointsFit (r = 0.661)

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

IBM logo

International Business Machines Corporation

IBM

Market cap 231.5B

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

48

Estimated crossover points between normalized spreads.

Slope

0.8862

Linear regression slope.

Intercept

-52.4884

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 7 hours ago · ID: stock-ibm-vs-stock-mu-daily