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Correlation Analysis

KLA Corporation Common Stock vs Micron Technology, Inc.

KLAC vs MU

+0.892

Very strong positive

When one moves up, the other tends to follow.

KLAC logo

KLA Corporation Common Stock

KLAC

KLA is one of the largest semiconductor wafer fabrication equipment, or WFE, manufacturers in the world. It specializes in the market segment of semiconductor process control, wherein machines inspect semiconductor wafers during research and development and manufacturing for defects and verify precise measurements. In this section of the market, KLA holds a majority share. It also has a small exposure to the etch and deposition segments of the WFE market. It counts as top customers the largest chipmakers in the world, including TSMC and Samsung.

Market cap 201.9B · 15,200 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 pointsStockStockTechnologyTechnology

Time Series

Relative Performance

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

Who Moves First

in sync

KLAC and MU tend to move at the same time.

After testing 13 timing shifts, the strongest relationship was +0.892 (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

+0.571

14 periods · Return correlation when both series rose

Both Falling

+0.710

11 periods · Return correlation when both series fell

Diverging

-0.640

10 periods · Return correlation when series moved apart

R-Squared

79.5%

Share of variance in one series explained by the other.

Trend Agreement

75.0%

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: [0.880, 0.902]

Scatter

XY Regression

2164006008001,0001,2001,4001,6001,64822100200300400443KLA Corporation Common StockMicron Technology, Inc.Data pointsFit (r = 0.892)

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

KLAC logo

KLA Corporation Common Stock

KLAC

Market cap 201.9B · 15,200 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

5

Estimated crossover points between normalized spreads.

Slope

0.2238

Linear regression slope.

Intercept

-29.4899

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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