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Correlation Analysis

Apple Inc. vs Lam Research Corp

AAPL vs LRCX

+0.770

Strong positive

When one moves up, the other tends to follow.

AAPL logo

Apple Inc.

AAPL

Apple is among the largest companies in the world, with a broad portfolio of hardware and software products targeted at consumers and businesses. Apple's iPhone makes up a majority of the firm sales, and Apple's other products like Mac, iPad, and Watch are designed around the iPhone as the focal point of an expansive software ecosystem. Apple has progressively worked to add new applications, like streaming video, subscription bundles, and augmented reality. The firm designs its own software and semiconductors while working with subcontractors like Foxconn and TSMC to build its products and chips. Slightly less than half of Apple's sales come directly through its flagship stores, with a majority of sales coming indirectly through partnerships and distribution.

Market cap 3.8T

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

Apr 9, 2021 — Apr 7, 2026Daily1,254 observationsStockStockTechnologyTechnology

Who Moves First

in sync

AAPL and LRCX tend to move at the same time.

Best correlation after shifting: +0.770 (13 shifts scanned)

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

+0.655

11 periods · Return correlation when both series rose

Both Falling

+0.622

8 periods · Return correlation when both series fell

Diverging

-0.405

16 periods · Return correlation when series moved apart

R-Squared

59.4%

Share of variance in one series explained by the other.

Trend Agreement

66.9%

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: [0.747, 0.792]

Time Series

Rebased to 100

Green: AAPLGray: LRCX36 of 1,254 points (sampled)

Scatter

XY Regression

112.3120140160180200220240260280285.625.250100150200246.6Apple Inc.Lam Research CorpData pointsFit (r = 0.77)

Pipeline

Data quality details

Pipeline Summary

1,254 paired observations 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

AAPL logo

Apple Inc.

AAPL

Market cap 3.8T

Stock · 1,254 raw → 1,254 prepared

Series B

LRCX logo

Lam Research Corp

LRCX

Market cap 275.5B · 19,700 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

56

Estimated crossover points between normalized spreads.

Slope

0.8046

Linear regression slope.

Intercept

-70.8095

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 3 hours ago · ID: stock-aapl-vs-stock-lrcx-daily-20260408-e0j03l