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Correlation Analysis

Micron Technology, Inc. vs Teradyne, Inc. Common Stock

MU vs TER

+0.903

Very strong positive

When one moves up, the other tends to follow.

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

TER logo

Teradyne, Inc. Common Stock

TER

Teradyne provides testing equipment, including automated test equipment for semiconductors, system testing for hard disk drives, circuit boards, and electronics systems, and wireless testing for devices. The firm entered the industrial automation market in 2015 and sells collaborative and autonomous robots for factory applications. Teradyne serves numerous end markets and geographies, directly and indirectly, through its products, but its most significant exposure is to semiconductor testing. Teradyne serves vertically integrated, fabless, and foundry chipmakers with its equipment.

Market cap 49.4B · 6,600 employees

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

Time Series

Relative Performance

Green: MUGray: TER36 of 1,254 points (sampled)

Who Moves First

MU leads TER by 6 days

MU tends to move before TER.

After testing 13 timing shifts, the strongest relationship was +0.910 (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

+0.892

12 periods · Return correlation when both series rose

Both Falling

+0.362

13 periods · Return correlation when both series fell

Diverging

-0.677

10 periods · Return correlation when series moved apart

R-Squared

81.5%

Share of variance in one series explained by the other.

Trend Agreement

72.9%

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: [0.892, 0.912]

Scatter

XY Regression

2210020030040044348.650100150200250300340.6Micron Technology, Inc.Teradyne, Inc. Common StockData pointsFit (r = 0.903)

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

MU logo

Micron Technology, Inc.

MU

Market cap 426B · 53,000 employees

Stock · 1,254 raw → 1,254 prepared

Series B

TER logo

Teradyne, Inc. Common Stock

TER

Market cap 49.4B · 6,600 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

25

Estimated crossover points between normalized spreads.

Slope

0.5232

Linear regression slope.

Intercept

66.2605

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 4 hours ago · ID: stock-mu-vs-stock-ter-daily