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Correlation Analysis

Lam Research Corp vs Micron Technology, Inc.

LRCX vs MU

+0.975

Very strong positive

When one moves up, the other tends to follow.

LRCX logo

Lam Research Corp

LRCX

Lam Research is one of the largest semiconductor wafer fabrication equipment manufacturers in the world. It specializes in deposition and etch, which entail the buildup of layers on a semiconductor and the subsequent selective removal of patterns from each layer. Lam holds the top market share in etch and holds the clear second share in deposition. It is more exposed to memory chipmakers for DRAM and NAND chips. It counts as top customers the largest chipmakers in the world, including TSMC, Samsung, Intel, and Micron.

Market cap 275.5B · 19,700 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: LRCXGray: MU36 of 1,254 points (sampled)

Who Moves First

in sync

LRCX and MU tend to move at the same time.

After testing 13 timing shifts, the strongest relationship was +0.975 (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

+0.869

16 periods · Return correlation when both series rose

Both Falling

+0.584

17 periods · Return correlation when both series fell

Diverging

N/A

2 periods · Return correlation when series moved apart

R-Squared

95.0%

Share of variance in one series explained by the other.

Trend Agreement

77.1%

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: [0.972, 0.977]

Scatter

XY Regression

25.250100150200246.622100200300400443Lam Research CorpMicron Technology, Inc.Data pointsFit (r = 0.975)

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

LRCX logo

Lam Research Corp

LRCX

Market cap 275.5B · 19,700 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

1.7736

Linear regression slope.

Intercept

-36.1641

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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