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Correlation Analysis

American Electric Power Company, Inc. vs Micron Technology, Inc.

AEP vs MU

+0.728

Strong positive

When one moves up, the other tends to follow.

AEP logo

American Electric Power Company, Inc.

AEP

American Electric Power is one of the largest regulated utilities in the United States, providing electricity generation, transmission, and distribution to more than 5 million customers in 11 states. About 39% of AEP's capacity is coal, with the remainder from a mix of natural gas (28%), renewable energy and hydro (23%), nuclear (7%), and demand response (3%). Vertically integrated utilities, transmission and distribution, and generation and marketing support earnings.

Market cap 71.9B · 17,581 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 pointsStockStockTechnology

Time Series

Relative Performance

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

Who Moves First

MU leads AEP by 6 days

MU tends to move before AEP.

After testing 13 timing shifts, the strongest relationship was +0.729 (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

+0.682

8 periods · Return correlation when both series rose

Both Falling

+0.014

9 periods · Return correlation when both series fell

Diverging

-0.685

18 periods · Return correlation when series moved apart

R-Squared

53.0%

Share of variance in one series explained by the other.

Trend Agreement

49.5%

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: [0.701, 0.753]

Scatter

XY Regression

70.88090100110120130137.522100200300400443American Electric Power Company, Inc.Micron Technology, Inc.Data pointsFit (r = 0.728)

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

AEP logo

American Electric Power Company, Inc.

AEP

Market cap 71.9B · 17,581 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

21

Estimated crossover points between normalized spreads.

Slope

4.4399

Linear regression slope.

Intercept

-314.8501

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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