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Correlation Analysis

Micron Technology, Inc. vs Plains All American Pipeline, L.P. Common Units representing Limited Partner Interests

MU vs PAA

+0.573

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

PAA logo

Plains All American Pipeline, L.P. Common Units representing Limited Partner Interests

PAA

Plains All American Pipeline LP, through its subsidiaries, engages in the pipeline transportation, terminaling, storage, and gathering of crude oil and natural gas liquids (NGL) in the United States and Canada. The company operates through two segments, Crude Oil and NGL. The Crude Oil segment offers gathering and transporting crude oil through pipelines, gathering systems, trucks, barges, or railcars. The NGL segment is involved in natural gas processing and NGL fractionation, storage, transportation, and terminalling. It generates the majority of its revenue from the Crude Oil segment.

Market cap 15.4B · 4,200 employees

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

Time Series

Relative Performance

Green: MUGray: PAA36 of 1,254 points (sampled)

Who Moves First

MU leads PAA by 6 days

MU tends to move before PAA.

After testing 13 timing shifts, the strongest relationship was +0.578 (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

+0.356

9 periods · Return correlation when both series rose

Both Falling

+0.956

6 periods · Return correlation when both series fell

Diverging

-0.602

20 periods · Return correlation when series moved apart

R-Squared

32.8%

Share of variance in one series explained by the other.

Trend Agreement

57.3%

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: [0.534, 0.609]

Scatter

XY Regression

221002003004004437.9481012141618202223.31Micron Technology, Inc.Plains All American Pipeline, L.P. Common Units representing Limited Partner InterestsData pointsFit (r = 0.573)

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

PAA logo

Plains All American Pipeline, L.P. Common Units representing Limited Partner Interests

PAA

Market cap 15.4B · 4,200 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

15

Estimated crossover points between normalized spreads.

Slope

0.0256

Linear regression slope.

Intercept

11.8908

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 5 hours ago · ID: stock-mu-vs-stock-paa-daily