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Correlation Analysis

Micron Technology, Inc. vs O'Reilly Automotive, Inc.

MU vs ORLY

+0.579

Moderate 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

ORLY logo

O'Reilly Automotive, Inc.

ORLY

O'Reilly is an aftermarket automotive parts retailer in the United States and Mexico with more than $16 billion in annual sales. The company operates over 6,000 domestic stores and serves both the do-it-yourself (about 50% of sales) and professional (47% of sales) end markets. O'Reilly differentiates itself by providing quality service to its customers throughout the entirety of the vehicle diagnosis and purchasing process. Furthermore, the firm boasts an impressive hub-and-spoke distribution network designed to provide its localized store base with ample aftermarket part availability across a variety of vehicle makes and models.

Market cap 77.1B · 92,923 employees

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

Time Series

Relative Performance

Green: MUGray: ORLY36 of 1,254 points (sampled)

Who Moves First

ORLY leads MU by 6 days

ORLY tends to move before MU.

After testing 13 timing shifts, the strongest relationship was +0.590 (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

-0.007

11 periods · Return correlation when both series rose

Both Falling

+0.577

6 periods · Return correlation when both series fell

Diverging

-0.770

18 periods · Return correlation when series moved apart

R-Squared

33.5%

Share of variance in one series explained by the other.

Trend Agreement

53.6%

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: [0.541, 0.614]

Scatter

XY Regression

2210020030040044328.8406080100110.8Micron Technology, Inc.O'Reilly Automotive, Inc.Data pointsFit (r = 0.579)

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

ORLY logo

O'Reilly Automotive, Inc.

ORLY

Market cap 77.1B · 92,923 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

22

Estimated crossover points between normalized spreads.

Slope

0.1517

Linear regression slope.

Intercept

49.5243

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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