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Correlation Analysis

Micron Technology, Inc. vs Principal Financial Group, Inc.

MU vs PFG

+0.505

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

PFG logo

Principal Financial Group, Inc.

PFG

Principal Financial Group Inc is a financial services provider. It offers various financial products and services including retirement, asset management, and workplace benefits and protection solutions to individuals and institutional clients. The company, along with its subsidiaries, operates in the following reportable segments; Retirement and Income Solutions, Principal Asset Management, and Benefits and Protection. Maximum revenue is generated from the Retirement and Income Solutions segment which provides workplace savings and retirement solutions, banking, trust and custodial services, individual variable annuities (including RILAs), pension risk transfer, and investment services to businesses, their employees, and other individuals.

Market cap 19.8B · 19,700 employees

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

Time Series

Relative Performance

Green: MUGray: PFG36 of 1,254 points (sampled)

Who Moves First

in sync

MU and PFG tend to move at the same time.

After testing 13 timing shifts, the strongest relationship was +0.505 (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

-0.334

13 periods · Return correlation when both series rose

Both Falling

+0.133

10 periods · Return correlation when both series fell

Diverging

-0.354

12 periods · Return correlation when series moved apart

R-Squared

25.5%

Share of variance in one series explained by the other.

Trend Agreement

61.8%

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: [0.463, 0.545]

Scatter

XY Regression

2210020030040044359.48606570758085909595.48Micron Technology, Inc.Principal Financial Group, Inc.Data pointsFit (r = 0.505)

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

PFG logo

Principal Financial Group, Inc.

PFG

Market cap 19.8B · 19,700 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

18

Estimated crossover points between normalized spreads.

Slope

0.0532

Linear regression slope.

Intercept

71.7436

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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