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Correlation Analysis

Micron Technology, Inc. vs T-Mobile US, Inc.

MU vs TMUS

+0.410

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

TMUS logo

T-Mobile US, Inc.

TMUS

Deutsche Telekom merged its T-Mobile USA unit with prepaid specialist MetroPCS in 2013, and that firm merged with Sprint in 2020, creating the second-largest wireless carrier in the US. T-Mobile now serves 86 million postpaid and 26 million prepaid phone customers, equal to around 30% of the US retail wireless market. The firm entered the fixed-wireless broadband market aggressively in 2021 and now serves 8 million residential and business customers with its wireless network. It also serves 1 million fiber broadband customers through joint ventures with fiber network owners. T-Mobile owns a stake in these firms, which provide wholesale access to their networks. In addition, T-Mobile provides wholesale services to wireless resellers.

Market cap 218.8B · 75,000 employees

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

Time Series

Relative Performance

Green: MUGray: TMUS36 of 1,254 points (sampled)

Who Moves First

TMUS leads MU by 6 days

TMUS tends to move before MU.

After testing 13 timing shifts, the strongest relationship was +0.415 (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

+0.112

10 periods · Return correlation when both series rose

Both Falling

+0.385

7 periods · Return correlation when both series fell

Diverging

-0.900

18 periods · Return correlation when series moved apart

R-Squared

16.8%

Share of variance in one series explained by the other.

Trend Agreement

52.5%

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: [0.363, 0.455]

Scatter

XY Regression

22100200300400443103.9120140160180200220240260277Micron Technology, Inc.T-Mobile US, Inc.Data pointsFit (r = 0.41)

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

TMUS logo

T-Mobile US, Inc.

TMUS

Market cap 218.8B · 75,000 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

24

Estimated crossover points between normalized spreads.

Slope

0.2312

Linear regression slope.

Intercept

145.3746

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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